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Dr.Bob
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Posts: 2732
Registered: 26-1-2011
Location: USA - NC
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I am now back for a while. Had a few days of non-stop work with two jobs, then some work travel and then a vacation. So now I am rested and
recovered some from the work. I have to finish up a few orders that are not quite done yet, and then I will try to catch up with the messages.
Thanks to everyone who helped me get most things completed before I got too busy or was traveling.
I am starting back on the books. I am trying to make a list of just a few of the books I have to give away shortly, there are about 5 boxes sorted
through so far. As an example, I have many books on toxicology, lab safety, PC basics, macs and Mac programming, powerpoint, photoshop, and more in
the current pile. I also have some softer science books on decision making, science policy, and environment.
It will take up to a year to sort through them all, but I am trying to get some lists together of things, as like the glassware, I cannot even get to
the boxes of books on the bottom and back of the pile yet, so the sooner I get rid of some, the more I can look through. To give some perspective,
one of the piles is boxes 4 deep, 4 high and 3 wide, each 18" cubed. I also have already filled 4 large bookcases, but not yet made a list of all of
them. It is daunting, even through I work part time in the book business. Many of these books are older and don't have a barcode or ISBN number on
the back, so they are harder to make a list of.
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Funkerman23
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Pardon this if asked before but do you have any burets?
" the Modern Chemist is inundated with literature"-Unknown
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Dr.Bob
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I am pretty sure that I found some recently, just trying to find them again before answering positive, and I have not yet fodun where I saw them, so
give me a few more days to look ad I think I can find them and see what the specs are.
Bob
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Funkerman23
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If it helps.. I am trying to gather more analysis oreinted glass as of late.. Burets, volumetric flasks.. melting point tubes..pastuer pipettes. That
sort of thing. PM inbound but I'm assembling a list. Once again: thank you very much Dr Bob!!
" the Modern Chemist is inundated with literature"-Unknown
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Dr.Bob
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Posts: 2732
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I have lots of assorted items like that, some are listed, some I only have one or two of many types, like volumetric pipettes, so I have not listed
them well, as each one is different. I still have lots of columetric flasks, some melting point tubes (I think 100 for $3 or 2 tubes of 100 for $5
was what I asked last time.). I only have a few boxes of pasteur pipettes left. I do still have a lot of manual small volume pipettors like the
Gilson variety, from 10 ul up to 5 or 10 ml. I have lots of 200 ul ones along with tips, only a few 1 ml ones left. I just need to get the time to
catalog them all.
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The Volatile Chemist
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Looking forward to the books! Will these be put on ebay too, or just the typical U2U transactions?
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Dr.Bob
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The books will be listed here and the postage paid via Paypal or such. My friend Ed and I will list some of the more valuable books on Amazon, but
he does not have space to list them all, so the ones he cannot keep will be put on a list here. Not sure how to do that neatly, but something like
the list below.
The first number is the ISBN number, then the title, author, and what box it was in (helps me find it). If you want to see more about any book. jut
cut and paste that number into Amazon's search window and look for it. Once I get a more orderly list, I will attempt to create an Excel spreadsheet
as well, and make a link, but it is just not ready yet. A few of these have already go to local teachers, all items will be subject to prior
donation. This is only a small sample, I still have dozens of boxes to look through.
0309024013 Decision Making for Regulating Chemicals in the Environment (Paperback)by Environmental Studies Board (Author Environmental Studies Board
(Author) JK71
0121404056 Techniques in Immunocytochemistry, Volume 2 (Paperback)by Gillian R. Bullock (Series Editor), Peter Petrusz (Series Editor Gillian R.
Bullock (Series Editor), Peter Petrusz (Series Editor) JK71
1573870692 Library Relocations and Collection Shifts (Hardcover)by Dennis C. Tucke Dennis C. Tucker JK62
0295973374 Environmental Health Risks and Public Policy: Decision Making in Free Societies (The Jessie and John Danz Lecture Series) (Paperback)by
David V. Bate David V. Bates JK44
030907259X Rebuilding the Unity of Health and the Environment: A New Vision of Environmental Health for the 21st Century (Compass) (Paperback)by Kathi
E. Hann Kathi E. Hanna JK44
1885756089 Reporting on risk: A journalist's handbook on environmental risk assessment (Paperback)by Michael A. Kamri Michael A. Kamrin JK44
0674240774 Particles in Our Air: Exposures and Health Effects (Paperback)by Richard Wilson, Richard Wilso Richard Wilson, Richard Wilson JK44
0309053919 Carcinogens and Anticarcinogens in the Human Diet: A Comparison of Naturally Occurring and Synthetic Substances (Paperback)by Natl Academy
Of (Author Natl Academy Of (Author) JK44
030908475X Cancer and the Environment: Gene-Environment Interactions (Paperback)by Research, and Medicine Roundtable on Environment Health Sciences
(Author), et al Research, and Medicine Roundtable on Environment Health Sciences (Author), et al. JK44
0309052289 Biologic Markers in Urinary Toxicology (Paperback)by Natl Academy Of (Author Natl Academy Of (Author) JK44
0309039797 Biologic Markers in Reproductive Toxicology (Paperback)by Natl Academy Of (Author Natl Academy Of (Author) JK44
0873715101 Toxic Risks: Science, Regulation, and Perception (Hardcover)by Ronald E. Got Ronald E. Gots JK44
0873710061 Indoor Air and Human Health (Hardcover)by R. B. Gammage (Editor), et al R. B. Gammage (Editor), et al. JK44
0444015299 Molecular Genetics Cancer Diagnosis (Hardcover)by Jef Jeffrey Cossman JK44
0444872663 Atmospheric Ozone Research and Its Policy Implications: Proceedings of the 3rd Us-Dutch International Symposium, Nijmegen, the Netherlands,
May 9-13 (Studies in Environmental Science) (Hardcover)by S. D. Lee (Author), et al S. D. Lee (Author), et al. JK44
1566701309 Fundamentals of Risk Analysis and Risk Management (Hardcover)by Vlasta Molak (Editor Vlasta Molak (Editor) JK45
087912136x Accident Prevention Manual: Engineering and Technology, Ninth Edition (Hardcover)by Natl Safety Cn (Author Natl Safety Cn (Author) JK45
0879121556 Accident Prevention Manual for Business and Industry: Administration & Programs (Hardcover)by Patricia M. Laing (Editor), Philip E.
Schmidt (Technical Editor Patricia M. Laing (Editor), Philip E. Schmidt (Technical Editor) JK45
0873713036 The Work Environment: Occupational Health Fundamentals, Volume I (Hardcover)by Doan J. Hansen (Editor Doan J. Hansen (Editor) JK45
012425960x Drugs and Pregnancy: Maternal Drug Handling-Fetal Drug Exposure (Hardcover)by Beatrice Krauer (Author), et al Beatrice Krauer (Author), et
al. JK45
085186435X DEV AND ETHICAL CONS IN TOXICO, (Special Publication) (Hardcover)by Royal Society of Chemistry (Editor Royal Society of Chemistry (Editor)
JK12
0126323453 Molecular Epidemiology: Principles and Practices (Hardcover)by Paul A. Schulte (Editor), Frederica P. Perera (Editor Paul A. Schulte
(Editor), Frederica P. Perera (Editor) JK12
0124556256 Loomis's Essentials of Toxicology, Fourth Edition (Hardcover)by Ted A. Loomi Ted A. Loomis JK12
0674773047 Risk vs. Risk: Tradeoffs in Protecting Health and the Environment (Hardcover)by John D. Graham (Editor), et al John D. Graham (Editor), et
al. JK19
0849326869 Understanding Toxicology: Chemicals, Their Benefits and Risks (Hardcover)by H. Bruno Schiefe H. Bruno Schiefer JK19
1573921955 Chemical Sensitivity: The Truth About Environmental Illness (Consumer Health Library) (Hardcover)by Stephen Barret Stephen Barrett JK19
0896035247 2-D Proteome Analysis Protocols (Methods in Molecular Biology) (Hardcover)by Andrew J. Link (Editor Andrew J. Link (Editor) JK61
0841234620 The ACS Style Guide: A Manual for Authors and Editors (Paperback)by Janet S. Dodd (Editor Janet S. Dodd (Editor) JK61
0309043433 Funding Health Sciences Research: A Strategy to Restore Balance (Hardcover)by Committee on Policies for Allocating Health Sciences Research
Funds (Author), et al Committee on Policies for Allocating Health Sciences Research Funds (Author), et al. JK61
0879692324 DNA Technology and Forensic Science (Banbury Report) (Hardcover)by Jack Ballantyne (Author), et al Jack Ballantyne (Author), et al. JK61
0262692155 MPI: The Complete Reference (Vol. 1) - 2nd Edition, Vol. 1 - The MPI Core (Paperback)by William Grop William Gropp JK61
0262571234 MPI: The Complete Reference (Vol. 2), Vol. 2 - The MPI-2 Extensions (Paperback)by William Grop William Gropp JK61
0300073038 Thinking Ecologically: The Next Generation of Environmental Policy (Yale Fastback Series) (Paperback)by Daniel C. Est Daniel C. Esty JK61
0938151142 Help!: The Art of Computer Technical Support (Paperback)by Ralph Wilso Ralph Wilson JK61
0300065183 Power Without Responsibility: How Congress Abuses the People through Delegation (Paperback)by David Schoenbro David Schoenbrod JK61
0135518393 Manager's Script Book (Hardcover)by W. H. Weis W. H. Weiss JK61
0735504741 The Pension Answer Book 2000 (Hardcover)by Stephen J. Krass (Author Stephen J. Krass (Author) JK61
0873712560 Waste Disposal in Academic Institutions (Hardcover)by James A. Kaufman (Author James A. Kaufman (Author) JK62
0306421208 Video Microscopy (Hardcover)by Shinya Inoué, Kenneth R. Sprin Shinya Inoué, Kenneth R. Spring JK62
0387976620 Introduction to Maple (Hardcover)by A. Hec A. Heck JK62
0824701577 Mass Spectrometry of Biological Materials, Second Edition (Hardcover)by Barbara S. Larsen (Editor), Charles N. McEwen (Editor Barbara S.
Larsen (Editor), Charles N. McEwen (Editor) JK62
0134540670 Identification of Protein Consensus Sequences: Active Site Motifs, Phosphorylation, and Other Posttranslational Modifications (Ellis
Horwood Books in the Biological Sciences) (Hardcover)by Alistair Aitken (Author Alistair Aitken (Author) JK62
0873711521 Identifying and Regulating Carcinogens (Hardcover)by Office of Technology Assessment (Author Office of Technology Assessment (Author) JK62
0895731223 Protein Purification (Hardcover)by Jan-Christer Janson (Author Jan-Christer Janson (Author) JK62
0849301556 CRC Handbook of Mathematical Curves & Surfaces (Hardcover)by David H. (David Henry) Von Segger David H. (David Henry) Von Seggern JK62
0824767667 Cadmium Toxicity (Modern Pharmacology-toxicology Series) (Hardcover)by J. H. Mennear (Author J. H. Mennear (Author) JK62
0875843069 The Essential Alfred Chandler: Essays Toward a Historical Theory of Big Business (Paperback)by Alfred Dupont Chandle Alfred Dupont
Chandler JK62
0195075617 Textbook of Endocrine Physiology (Paperback)by James E. Griffin (Editor), Sergio R. Ojeda (Editor James E. Griffin (Editor), Sergio R.
Ojeda (Editor) JK62
0896035182 Quantitative PCR Protocols (Methods in Molecular Medicine) (Hardcover)by Bernd Kochanowski (Editor), Udo Reischl (Editor Bernd Kochanowski
(Editor), Udo Reischl (Editor) JK62
0471137774 Genetics and Cancer Susceptibility: Implications for Risk Assessement (Progress in Clinical and Biological Research) (Hardcover)by Cheryl
Walker (Edi Cheryl Walker (Editor), et al. JK63
0891893008 Immunohistopathology: A Practical Approach to Diagnosis (Hardcover)by Jules M. Elia Jules M. Elias JK63
0442001541 Common Sense Toxics in the Workplace: A Manual for Doctors, Nurses, Emergency Responders, Employers, Industrial Hygienists, Risk Managers,
Claims Ad (Hardcover)by Ilene R. Dans Ilene R. Danse JK63
0300065183 Power Without Responsibility: How Congress Abuses the People through Delegation (Paperback)by David Schoenbro David Schoenbrod JK63
0309089034 Guidelines for the Care and Use of Mammals in Neuroscience and Behavioral Research (Paperback)by Committee on Guidelines for the Use of
Animals in Neuroscience and Behavioral Research (Author), et al Committee on Guidelines for the Use of Animals in Neuroscience and Behavioral Research
(Author), et al. JK63
1560324236 Academic Environment: A Handbook For Evaluating Employment Opportunities In Science (Paperback)by Karl W. Lank Karl W. Lanks JK63
085066831X Occupational Toxicology (Paperback)by Neill H. Stacey (Editor Neill H. Stacey (Editor) JK63
155786585X The State of Humanity (Paperback)by Julian Simon (Editor Julian Simon (Editor) JK63
0205121314 Instruction: A Models Approach (Hardcover)by Mary Alice Gunter (Author), Thomas H. Estes (Author Mary Alice Gunter (Author), Thomas H.
Estes (Author) JK63
089603383X cDNA Library Protocols (Methods in Molecular Biology) (Hardcover)by Ian G. Cowell (Editor), Caroline A. Austin (Editor Ian G. Cowell
(Editor), Caroline A. Austin (Editor) JK63
0306424606 Practical Stereology (Hardcover)by John C. Russ, Dr. John C Rus John C. Russ, Dr. John C Russ JK63
0674329252 Fundamentals of Radiology: Third Edition (Commonwealth Fund Publications) (Hardcover)by Lucy Frank Squir Lucy Frank Squire JK63
0306422050 The Cytoskeleton: A Target for Toxic Agents (Rochester Series on Environmental Toxicity) (Hardcover)by Po Polly R. Sager JK63
0871501236 Applied Regression Analysis and Other Multivariable Methods (The Duxbury series in statistics and decision sciences) (Hardcover)by David G.
Kleinbaum, Aaron T. Curn David G. Kleinbaum, Aaron T. Curns JK63
0470208562 Enzyme Induction, Mutagen Activation, and Carcinogen Testing in Yeast (Ellis Horwood Series in Electrical and Electronic Engineerin)
(Paperback)by Alan Wiseman (Other Contributor Alan Wiseman (Other Contributor) JK64
0835214885 Copyright Handbook (Hardcover)by Donald F. Johnsto Donald F. Johnston JK64
0873712919 Laboratory Accreditation and Data Certification: A System for Success (Hardcover)by Carla H. Dempse Carla H. Dempsey JK64
0444802193 Mitogenic Lymphocyte Transformation (Monographs in Anaesthesiology, Volume 2) (Hardcover)by David A. Hum David A. Hume JK64
0024708003 Information and records management (Loose Leaf)by Wilmer O. Maedke, Mary F. Robe Wilmer O. Maedke, Mary F. Robek JK64
0226816265 A Manual for Writers of Term Papers, Theses, and Dissertations (Chicago Guides to Writing, Editing, and Publishing) (Hardcover)by Kate L.
Turabia Kate L. Turabian JK65
1573870277 Electronic Styles: A Handbook for Citing Electronic Information (Paperback)by Xia L Xia Li JK65
0309039479 Shaping the Future: Biology and Human Values (Hardcover)by Steve Olso Steve Olson JK65
0306422794 NMR in the Life Sciences (Nato Science Series A (Hardcover)by E.
Morton Bradbury (Author), Claudio Nicolini (Author E. Morton Bradbury (Author), Claudio Nicolini (Author) JK65
0201090929 Biochemistry (Loose Leaf)by Geoffrey L. Zubay (Author Geoffrey L. Zubay (Author) JK65
0080298265 Differential Toxicities of Insecticides and Halogenated Aromatics (International encyclopedia of pharmacology and therapeutics)
(Hardcover)by F. Matsumur F. Matsumura JK65
0306422794 NMR in the Life Sciences (Nato Science Series A (Hardcover)by E.
Morton Bradbury (Author), Claudio Nicolini (Author E. Morton Bradbury (Author), Claudio Nicolini (Author) JK65
0387965556 Protein Purification: Principles and Practice (Springer Advanced Texts in Chemistry) (Hardcover)by Robert K. Scope Robert K. Scopes JK65
0817636056 Gene Expression: General and Cell-Type-Specific (Progress in Gene Expression) (Hardcover)by M. Karin (Editor M. Karin (Editor) JK65
0875848699 Delivering Results: A New Mandate for Human Resource Professionals (Hardcover)by David Ulric David Ulrich JK65
0521317940 Just Health Care (Studies in Philosophy and Health Policy) (Paperback)by Norman Daniel Norman Daniels JK71
0915241013 The dose makes the poison: A plain-language guide to toxicology (Hardcover)by M. Alice Ottoboni, Patricia Fran M. Alice Ottoboni, Patricia
Frank JK71
0195033809 An Introduction to Epidemiologic Methods (Monographs in Epidemiology and Biostatistics) (Paperback)by Harold A. Kah Harold A. Kahn JK71
0471913693 Instrumentation (Analytical Chemistry by Open Learning) (Paperback)by Graham Currel Graham Currell JK71
0935702547 Of Urfs and Orfs: A Primer on How to Analyze Derived Amino Acid Sequences (Paperback)by Russell F. Doolittl Russell F. Doolittle JK71
0815302703 Introduction to Protein Structure (Paperback)by Carl-Ivar Brändé Carl-Ivar Brändén JK71
0801628733 Laboratory Mathematics: Medical and Biological Applications (Paperback)by June Mundy Campbell, et al June Mundy Campbell, et al. JK34
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Texium
Administrator
Posts: 4580
Registered: 11-1-2014
Location: Salt Lake City
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I received my order of 14/20 flasks etc from Dr.Bob today. Everything arrived unscathed and it's looking great. Thanks again Dr.Bob!
Can't wait to get the rest of my 14/20 equipment in from China so I can make use of them.
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Dr.Bob
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I found a box of more small glass bottles recently, almost al with Teflon lined caps, and I would like to sell them to get them out of my way. I have
more 125 ml amber quarpak bottle with Teflon caps, some 120 ml wide mouth clear Qorpak bottles, some 2 oz bottles, and some clear square bottles with
Teflon caps in ~3 and ~6 oz sizes. For anyone who wants a variety of bottles, I can do a package of 10 of them now for $16, plus a few other
samples. The shipping would be $12 for flat rate priority mail (total of $28), or slightly less for east coasters. If you want 20 bottles, the
shipping via flat rate box would only be $16, so a total of $48, and I will fill any space left with vials. I will adjust the mix to your needs, as
best as I can.
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DFliyerz
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Hey Dr. Bob, do you have any hot plate/stirrer combos?
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Dr.Bob
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I have a few broken hot plate/stirrers left, but have not yet checked them to see if fixable. I will get to them eventually, but just too busy right
now to get it finished. But I will likely get a few fixed eventually.
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DFliyerz
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Alright, sounds good! Tell me if you get to them.
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Dr.Bob
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Here is the latest list, I am running completely out of 24/40 flasks, and many sizes of media bottles, filter flasks, and erlenmeyers. If the list
says 0, then I am out for now. I am also backed up a bit on orders, I have a few people I need to answer requests on, so it may take a little while
to answer messages, so sorry.
Thanks to everyone for there patience and help in finding this stuff a home.
Bob
Attachment: Glassware Inventory.xls (73kB)
This file has been downloaded 972 times
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Dr.Bob
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I have had a number of people ask about glass flash chromatography columns recently, and they were scattered across a few places, so I have recently
tried to gather most of them and take some photos. I have already sold a few of them, but still have many left, even more than pictured. There are
several types, 24/40 jointed tops, S35 jointed tops, and a few other types (open top, 29/42, threaded, S50, etc).
I sell single columns for $10 per 1/2 of diameter, but if you are willing to buy a set of 4 or more, I will offer a discount, typically a set of 4 or
5 for $100 total, depending on size and complexity. If anyone is willing to buy the ones without built in frits (they require a piece of glass wool
and a layer no sand on the bottom before the silica gel is added) I will go even lower in price, just contact me with your wish list and I will make a
price. I do also still have a few air flow controllers for the S35 columns as well; I would include one with a set of 4 or more.
Here are some photos of them
   
 
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Dr.Bob
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Folks,
I want to ask anyone who is waiting on me for a response to please remind me of what you are waiting on. I have been very busy, and as well, I have
had a number of people ask me about things and many then haven't gotten back once I sent them a message back or never paid once invoiced, so I have a
growing pile of stuff that I have gathered for people, and I am having a hard time keeping track of so many orders, some of which I pulled months ago,
and have not heard back about. The u2u system is hard to search or sort, and I have about 3000 messages there, so some of the older messages are
harder to find. Sorry for the delays, but I am just getting a lot of piles of stuff built up.
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gdflp
Super Moderator
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Received my 2nd order from Bob today, meticulously packed as usual. Low prices, remarkably generous with extras, and a pleasure to communicate with
all around. I can't recommend him enough!
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Dr.Bob
International Hazard
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Here is an updated copy of the remaining inventory. I am running out of many more items, but also found a few items to add, like 2 2L sep funnels, 2
250 ml addition funnels, and some brand new oval stir bars in a couple of sizes. Still have some brand new Pyrex 250 ml beakers for cheap as well.
Pretty much out of 24/40 flasks (I have a few flat bottom ones left, not listed yet, ask me for those), still have many 14/20 sizes left.
I also found a few 2L glass stoppered reagent bottles, many have small chips on the top edge of the stopper but are otherwise, fine. I would be
willing to take offers on them, they are bulky and I would like to get rid of some, but they are heavy to ship, so best for east coast or with other
items to keep the postage low. Also still have a few 2000 ml grad cylinders with glass stopper tops.
[Edited on 7-11-2015 by Dr.Bob]
Attachment: Glassware Inventory.xls (73kB)
This file has been downloaded 843 times
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Dr.Bob
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Just found some more sep funnels, addition funnels, and some 3 neck rbfs. Still trying to make a list to add to the inventory. Also found a box of
29/42 glassware, lots of 3 necks, some condensers, adapters, and addition funnels. And I have found enough parts to assemble some more 14/20
distillation kits as well.
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Acidum
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Can't seem to find info - Has anyone from Europe tried to buy from Dr.Bob? I am interested in shipping fees (i know from my other hobby that US ->
Europe fees can be rather high)...
...and then I disappeared in the mist...
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Dr.Bob
International Hazard
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Here is a new copy of the inventory. I am running out of many more items, but also found a few items to add, like sep funnels, addition funnels, and
some brand new oval stir bars in a couple of sizes. Still have some brand new Pyrex 250 ml beakers for cheap as well. Pretty much out of 24/40 flasks,
but have many 14/20 and just found a box of 29/42 rbfs plus almost an entire distillation kit in 29/42 if anyone would be interested in that, I can
assemble a pretty nice setup which would work from 250 ml to 3+L. Also still have a bunch of crimp top serum bottles, caps and a 20 mm crimper, more
vials, some silica gel cartridges, HPLC vials, and more.
I can ship to Europe and other countries, up to 4 pounds is pretty easy, costs up to $40 for 4 pounds, depending on location, so only practical for
smaller or lighter items, like 14/20 kits, vials, smaller adapters and items, anything light. If you tell me what you are looking for, I can estimate
the postage. It is not practical for heavy items like filter flasks, inexpensive items like beakers or test tubes (the postage is more than the
item), or electronics (since most are 110V, 60 Hz for US use).
Attachment: Glassware Inventory.xls (74kB)
This file has been downloaded 947 times
[Edited on 9-12-2015 by Dr.Bob]
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On the pingas
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Need help regarding lab equipment
OK so I have a problem in my country its very annoying to obtain even some of the most basic chems (thank you meth heads) nitric acid allso is
incredibly difficult to get my hands on believe me I have tried at least a dozen ways but due to tight restrictions and high prices it can't be
purchased for the casual hobbyist.
I have tried excuses such as for etching or cleaning jewlery but no luck other than company's who ask ridiculous prices eg one company told me they
would at $120 for 500ml of 70% I mean who the fluff charges that.
This means of course I have to make my own which is actually one of the things I enjoy about science even if the gov says I can't have it I can.
Its kind of like a big F U if you will .
Any who getting back on topic I have run out of the nitric I had stashed from eBay but it will no longer ship to NZ so I must make my own.
I intend to use the nitrate salt sulphuric acid distillation method.
Thing is I'm new to buying distillation kits and was wondering are the cheap Chinese made no brand ($100 and under) kits any good for this purpose
they do have some boro ones and are sold on eBay quite cheaply.
if not could somone please point me in the direction of a kit that will ship to NZ at a reasonable price.
Final question my acid was stored in an borosilacate bottle but since these are rather pricey particularly the ones with gg stoppers could I get away
with beer bottles or in other words are all types of glass acid resistant or just boro? Google dosent seem to be able to awnser this question to my
satisfaction.
if so then as far a caps go I'm thinking either spray the cap with tefflon lube and let evaporate and reapeat to form a coating or tefflon tape
around threads will either of these work ?
If it helps the concentrations I intend to store will be HNO3 65-70% and H2SO4 70-98% for no longer than six months standing in a tub filled with
sodium bicarb.
Any input would be appreciated.
[Edited on 9-12-2015 by On the pingas]
[Edited on 9-12-2015 by On the pingas]
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On the pingas
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Nobody?
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j_sum1
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I don't know what hurdles you will have to jump to import glass to NZ. I know what happens this side of the ditch.
My experience of Chinese glass is good but I think you might run into trouble if you go for ultra cheap.
Bottles? My WFNA is in a small amber bottle previously used to hold peroxide. It has a teflon cap. No issues thus far.
Beyond that, a lot depends on what you are using your lab for and what quantities you are working with.
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Texium
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Thread Split
22-12-2015 at 07:18 |
Dr.Bob
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I just took photos of some more distillation glassware for someone, and thought I would post them here as well.
Top left and right is 14/20 dist heads, bottom left are 24/40 dist head and 24/40 receiver. Bottom right are 14/20 short paths and another simple
distillation head. I'll try to post more photos soon.
 
 
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Dr.Bob
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I have finally assembled a few more 14/20 kits now; they will likely be my last kits, as I am running out of the pieces, I had to buy and trade a few
items to make complete kits. They each include about 10 flasks, from 5-250 or 500 ml, a mix of 1, 2, or 3 neck rbfs, and a few pear or recovery
shaped ones. They also have a dist. head, claisen adapter, curved vacuum inlet, straight vac adapter, therm adapter, gas inlet, simple liebig
condenser, 14/20 glass stopper, powder funnel, and a few other odds and ends. That kit costs $100 plus about $10 for postage within the US.
Postage to Europe is about $40, that is pretty high, and limits the size of flasks and the total weight to 4 pounds.
I can additionally add an addition funnel (10, 25, or 50 ml, $20), coil condenser ($20), filter funnels, fraction collectors, or many other pieces
(see photos or spreadsheet). Every kit is slightly different, so if you want certain things, let me know and I can try to customize it. I am a
little backlogged right now on orders, but should catch up soon, and these are mostly ready to pack and ship, so I can ship them quickly. And I still
have many 14/20 flasks in certain sizes and styles, but am running out of some sizes again.
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