Sciencemadness Discussion Board - Powered by XMB 1.9.11


	Not logged in [Login ]

FAQ

Member List

Today's Posts Forum Stats

Stats

Back to:

Sciencemadness Discussion Board » Search

Search
[Next Page]
Avast HTML file conversion I have an Avast HTML video file that I need to convert so that it can be posted in this forum. Can ...	29-9-2018 at 11:31 by: Magpie
Preparation of ethyl sulfate My 18" TC arrived so I ran this synthesis again. The equipment set-up was perfect and I ran it exac ...	28-9-2018 at 14:41 by: Magpie
Preparation of Nitric Acid You shouldn't have to heat it so much. The azeotrope comes over at 120°C. Did you add the require ...	26-9-2018 at 17:25 by: Magpie
How to deal with oil mist on vacuum pumps? If there are no gases going through your pump you will have no oil mist. I don't get any mist excep ...	21-9-2018 at 09:12 by: Magpie
Vac Distillation of Water keeps stalling? Too high vacuum? [rquote=537020&tid=93298&author=beerwiz] Could the vacuum pump be pulling too strong of a v ...	20-9-2018 at 18:27 by: Magpie
How to deal with oil mist on vacuum pumps? Seal your system so no gases (includes air) are moving through the pump. Or at least minimize the g ...	20-9-2018 at 18:20 by: Magpie
Demethylation of Vanillin and Eugenol [rquote=536834&tid=92847&author=clearly_not_atara] For vanillin, HBr is known to work. [/rq ...	20-9-2018 at 09:10 by: Magpie
Demethylation of Vanillin and Eugenol Might the OrgSyn preparation of catechol from guaiacol be useful here? https://www.sciencemadness ...	19-9-2018 at 13:02 by: Magpie
Any ideas to passivate stainless steel against chlorine? I once worked in a paper mill with stainless steel headbox and fourdrinier. Passivating was done wi ...	16-9-2018 at 09:37 by: Magpie
Building a peristaltic pump for small volumes/rates. A week ago I had three peristaltic pumps that didn't work. Two of them were brand new. Today all 3 ...	15-9-2018 at 17:34 by: Magpie
Solubility of natural resin This might work: https://www.de-solv-it.com/	13-9-2018 at 08:23 by: Magpie
Preparation of Dimethyl Sulfate Discussion I have seen 85% phosphoric acid sold at brewing supply stores. It is also available through Amazon, ...	11-9-2018 at 17:14 by: Magpie
Preparation of Dimethyl Sulfate Discussion 85% phosphoric acid is available through Duda Diesel.	11-9-2018 at 15:28 by: Magpie
Preparation of Diethyl Sulfate My notes say "less than or equal to" 45mmHg. I think my inability to control the salt temperature u ...	9-9-2018 at 02:07 by: Magpie
Preparation of Diethyl Sulfate Yes, if the use of the peristaltic pump proves out it could be quite useful. I paid $150 for a glass ...	8-9-2018 at 18:10 by: Magpie
Preparation of Diethyl Sulfate Incorporating the changes just discussed the run today was made with a revised apparatus. A perista ...	8-9-2018 at 14:06 by: Magpie
Preparation of Diethyl Sulfate Thank you Pumulki. After 16 years of collecting I do have all the gadgets I want. Give me a sketch ...	8-9-2018 at 08:14 by: Magpie
Preparation of Diethyl Sulfate continuation of last post. Toggle picture to turn. [file]70422[/file] [file]70424[/file]	7-9-2018 at 07:04 by: Magpie
Preparation of Diethyl Sulfate [b]Preparation of Diethyl Sulfate (DS)[/b] 9/6/18 As before this prep followed the method of L ...	7-9-2018 at 06:56 by: Magpie
Solubility of natural resin I suggest: 1. dissolve the resin in a terpene (limonene or turpentine). 2. extract the resin ...	5-9-2018 at 19:49 by: Magpie
Solubility of natural resin Try limonene, which can be obtained from lemon, orange, grapefruit, and lime rinds (squeeze them to ...	5-9-2018 at 07:25 by: Magpie
Solubility of natural resin I would suggest turpentine. If you can't find this try some other terpene.	4-9-2018 at 13:36 by: Magpie
Lab gadgets This is true. I also bought one for small files, etc. They sold for $15 ea.	2-9-2018 at 19:29 by: Magpie
Lab gadgets I bought the pig (w/holes) at a church bazaar.	1-9-2018 at 21:26 by: Magpie
My vacuum pump Yes, I have used it often with flammable solvents.	1-9-2018 at 12:25 by: Magpie
[Next Page]

Sciencemadness Discussion Board » Search