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Reaction of KMnO4 with Iodine Tincture
I don't think that will work out well. Even assuming that the reaction goes cleanly, the MnO2 would ... |
28-6-2017 at 22:12
by: JJay |
Understanding Vacuum Distillation.
I hardly ever use those, but I think that would probably be fine.
[Edited on 29-6-2017 by JJay] |
28-6-2017 at 16:47
by: JJay |
Understanding Vacuum Distillation.
My vacuum pump has similar ratings and can pull a 2 mm Hg vacuum with no problems. It's not Chinese ... |
28-6-2017 at 13:52
by: JJay |
Need help, looking for good chemistry books...
The Sciencemadness library has a lot of good books. Pretty much anything by Vogel is good, but he ta ... |
28-6-2017 at 08:39
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I might have to give acid destruction of hypochlorite a try. |
28-6-2017 at 08:19
by: JJay |
Molecular Sieve dehydration efficiency, how effective is letting it sit without stirring?
It's not a bad idea to store dried solvents over fresh molecular sieves, assuming that they don't re ... |
28-6-2017 at 08:03
by: JJay |
Molecular Sieve dehydration efficiency, how effective is letting it sit without stirring?
It only takes a few hours. Molecular sieves give off heat when they absorb water, so it's not just B ... |
27-6-2017 at 23:25
by: JJay |
Mysterious chinese glassware sellers
I don't even really know what to say - this guy is irrationally paranoid and accusatory, and he lack ... |
26-6-2017 at 22:12
by: JJay |
Shortcut Lab Preparation of 2 2/3 M Chromic Acid Reagent from Sodium Dichromate
Sounds like a plan. |
26-6-2017 at 21:04
by: JJay |
Mysterious chinese glassware sellers
[rquote=485909&tid=66369&author=Cuban_Pete]This thread is a bit old but since it is specific ... |
26-6-2017 at 19:33
by: JJay |
Mysterious chinese glassware sellers
You singled out Nanshin specifically with the aim of undermining their good reputation. You are an u ... |
26-6-2017 at 17:11
by: JJay |
Sodium percarbonate
[rquote=486438&tid=74995&author=Melgar][rquote=486437&tid=74995&author=JJay]Sodium c ... |
26-6-2017 at 12:15
by: JJay |
Mysterious chinese glassware sellers
Since you made it clear that it's not Nanshin's fault that your glass is broken, he probably thinks ... |
26-6-2017 at 11:47
by: JJay |
OTC Oxalyl Chloride Challenge
I wonder if garden-grade pumice would work instead of alumina. The trick is cooling your reflux colu ... |
26-6-2017 at 10:55
by: JJay |
Seperating chrome from iron and nickel, stainless steel
My crystals never seem to look as nice as everyone else's, but the sodium chloride seemed to separat ... |
26-6-2017 at 10:37
by: JJay |
OTC Oxalyl Chloride Challenge
[rquote=486423&tid=74187&author=Melgar][rquote=486419&tid=74187&author=JJay]It seems ... |
26-6-2017 at 09:43
by: JJay |
OTC Oxalyl Chloride Challenge
Some research on the subject suggests that it is possible to prepare acetonitrile from alanine and T ... |
26-6-2017 at 08:25
by: JJay |
Seperating chrome from iron and nickel, stainless steel
Both the calcium chromate and the carbonate or sulfate would need to be in solution before precipita ... |
26-6-2017 at 00:36
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I also ran into severe bumping when trying to boil down sodium chromate solution. I noticed much les ... |
25-6-2017 at 16:07
by: JJay |
Ordering from Chem Companies
They probably suspect you want to use it as a dietary supplement and have policies in place to try t ... |
25-6-2017 at 02:13
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I did find it to be fairly hard to crystallize out sodium dichromate uniformly on a 10-30 gram scale ... |
25-6-2017 at 01:38
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I've seen that before too... the equilibrium between chromate and dichromate is pretty sensitive to ... |
24-6-2017 at 22:04
by: JJay |
Shortcut Lab Preparation of 2 2/3 M Chromic Acid Reagent from Sodium Dichromate
199 grams of technical sodium dichromate dihydrate was added to a media bottle. The weighing dish wa ... |
24-6-2017 at 20:51
by: JJay |
Seperating chrome from iron and nickel, stainless steel
[rquote=486265&tid=74007&author=Fulmen]
And the chemistry supports it, right? Ferrates are ... |
23-6-2017 at 15:24
by: JJay |
Seperating chrome from iron and nickel, stainless steel
Seems reasonable. |
23-6-2017 at 14:35
by: JJay |
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