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necessity of isolation transformers
I asked this question on a dedicated electronics forum, though it was somehow "off limits" so I didn ... |
19-12-2013 at 16:33
by: bob800 |
An oxygen flame in a reducing environment
I have a digital copy of a Scientific American article about this matter:
[b]"Flames in Which Ai ... |
16-10-2013 at 09:37
by: bob800 |
Older Chemistry Books for Kids and/or Beginners?
I would recommend: Burton L. Hawk's [i]Experiments for the Home Lab[/i], available for download on G ... |
26-8-2013 at 15:38
by: bob800 |
Soluble Manganese (II) salts from battery MnO2 w/ metabisulfite
[rquote=295608&tid=25568&author=Random]I would gladly provide the reference, but all I remem ... |
15-8-2013 at 10:20
by: bob800 |
Why am I getting so much (grey) precipitate (and no crystals)?
I used the procedure by Fieser for sodium 2-naphthalene sulfonate:
[quote]
For this sulfonation at ... |
9-8-2013 at 09:50
by: bob800 |
Announcements of Articles in Progress
[b]Extraction and Purification of Oleic Acid from Olive Oil[/b]
From this article: [url=http://li ... |
23-7-2013 at 16:59
by: bob800 |
Melting point determination and DIY capillary tubes
[rquote=292400&tid=25138&author=bfesser]I'm sorry, my question was ambiguous. I meant the s ... |
15-7-2013 at 09:47
by: bob800 |
Melting point determination and DIY capillary tubes
[rquote=292396&tid=25138&author=Magpie]Nice work!
FYI, my practice:
1. I place enough ... |
15-7-2013 at 09:28
by: bob800 |
Melting point determination and DIY capillary tubes
Maybe this is common knowledge, but I thought it might be helpful to document my recent melting poin ... |
15-7-2013 at 08:41
by: bob800 |
Glassware Being Attacked
I can't think of any other compounds encountered in a home lab setting that would attack glass... of ... |
13-7-2013 at 15:54
by: bob800 |
Cleaning glassware and other equipment
Is it OK to soak standard taper glassware in concentrated NaOH/EtOH mixture, or will it ruin the gro ... |
7-7-2013 at 18:13
by: bob800 |
Science equipment looking for a home
Do you have any 19/22 condensers, 3-way adapters, or thermometer adapters? |
1-7-2013 at 11:30
by: bob800 |
Another DIY Fume Hood Topic
[rquote=284051&tid=24216&author=KingBoo]
What specifically made you choose this model? What ... |
13-5-2013 at 14:51
by: bob800 |
Another DIY Fume Hood Topic
[rquote=283948&tid=24216&author=KingBoo]
3.) What fan should I use? I know the copper coils ... |
12-5-2013 at 14:12
by: bob800 |
Setting up Materials Science Home Lab
[rquote=274259&tid=23325&author=elementcollector1]Oh trust me, you're going to be using list ... |
10-2-2013 at 10:29
by: bob800 |
organic content of soil-work related
Not sure if this will work on your scale, but there is a Scientific American article on the construc ... |
29-1-2013 at 16:49
by: bob800 |
Accidentaly made some H2S in the school lab
[rquote=268298&tid=22657&author=kristofvagyok]
It has a such strong odor that before it cou ... |
10-12-2012 at 14:11
by: bob800 |
Analysis of rocks\minerals without HF
Thanks to all who replied! I did some googling and it appears that much can be done with a block of ... |
25-11-2012 at 10:07
by: bob800 |
Analysis of rocks\minerals without HF
[rquote=266612&tid=22427&author=bfesser]If you think this would be fun, I could send you som ... |
25-11-2012 at 09:17
by: bob800 |
Analysis of rocks\minerals without HF
[rquote=266529&tid=22427&author=vmelkon]Perhaps heating with carbon at high temperature woul ... |
20-11-2012 at 18:38
by: bob800 |
Analysis of rocks\minerals without HF
I always thought it would be fun to do a qualitative analysis of various rock\minerals, with only cl ... |
20-11-2012 at 16:54
by: bob800 |
Blue Fluoride...?
I've had a similar experience with some sodium sulfate from Elemental — it appeared to be mixed wi ... |
28-9-2012 at 15:26
by: bob800 |
Help! Can't log in...
This has happened to me a loooooonng time ago after I used [url=www.httrack.com/]HTTrack[/url] in an ... |
17-8-2012 at 18:46
by: bob800 |
Interesting Vacuum Pump
[rquote=252329&tid=20513&author=Hexavalent]Having toyed with numerous homemade vacuum pumps, ... |
25-6-2012 at 07:10
by: bob800 |
Sulfuric acid from copper sulfate
[rquote=251991&tid=20474&author=barley81]In a 2M solution of copper sulfate, there are 2 mol ... |
20-6-2012 at 19:30
by: bob800 |
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