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solubility of filter paper im phosphorus trichloride/1,1,2,2-tetrachloroethane
You're introducing a mixture containing chlorinating agents for hydroxyl groups and powerful, water- ...
14-7-2019 at 20:26
by: UC235
why am i getting precipitation?!?!
If citrate solubilizes the precipitate, that would mean the solid is a poorly soluble borate salt an ...
8-7-2019 at 19:52
by: UC235
Why do Ca(NO3)2 fertilizers contain NH4NO3 but not others?
Because it's usually the double salt 5Ca(NO3)2•NH4NO3•10H2O which is not classed as an oxidizer ...
7-7-2019 at 08:48
by: UC235
Cellulase enzyme
Trichoderma reesei is the typical laboratory source from which commercial cellulase is produced. The ...
2-7-2019 at 16:56
by: UC235
Wet ether
I would probably rough-dry ether with anhydrous MgSO4, then use something like powdered Na-Pb alloy ...
21-6-2019 at 16:34
by: UC235
How accurate are solution density measurements?
Graduated cylinders are really not very accurate. Density is quite temperature-dependent. Do you kno ...
19-6-2019 at 17:47
by: UC235
Synthesis for hydrolaxamine to ketamine
There's always the hilarious chance OP bought hydroxylamine.
12-6-2019 at 18:39
by: UC235
Is there an alternative to dioxane yet for thermochemical sodium production?
I've not found dioxane too hard to make. Buy concentrated walmart brand antifreeze, add sulfuric aci ...
27-5-2019 at 19:35
by: UC235
Future-gazing: available now, restricted tomorrow?
Where have you started getting weaker bleach? Bleach has actually gone up from 5% to 8.25% here. Cha ...
26-4-2019 at 13:51
by: UC235
Why is tin(II) chloride used as indicator for precious metals?
It reduces pretty much all the precious metals rapidly and has a tendency to form colloidal particle ...
23-4-2019 at 14:10
by: UC235
Saccharide (?) Synthesis
As long as your HCl is clean, it shouldn't contaminate the product in any way. I diluted 31.45% pool ...
22-4-2019 at 18:17
by: UC235
HCL in medicine
The medications are frequently amines and being large organic molecules are poorly soluble in water. ...
21-4-2019 at 04:04
by: UC235
KHSO4 from NaHSO4
That pyruvate prep is godawful. If you don't keep everything hot, it turns into one giant foamy ball ...
20-4-2019 at 19:26
by: UC235
Saccharide (?) Synthesis
It's just the salt of saccharin. They just show the anion as an enolate-type resonance structure the ...
20-4-2019 at 16:09
by: UC235
Ninhydrin reactions
Ninhydrin's response to secondary amines is very weak yellow. I would look into something else. With ...
16-4-2019 at 15:28
by: UC235
Want to make dimethylglyoxime, works with hydroxylamine?
[rquote=608443&tid=146835&author=fusso]But why nitrite ester selectively react with ethyl pa ...
13-4-2019 at 14:51
by: UC235
Phenylhydrazine sulfate from the HCl salt, first attempt
What procedure would this possibly matter for? The only immediate use I know for phenylhydrazine is ...
12-4-2019 at 19:36
by: UC235
Want to make dimethylglyoxime, works with hydroxylamine?
[rquote=608377&tid=146835&author=Waffles SS][rquote=606115&tid=146835&author=UC235]
...
12-4-2019 at 19:30
by: UC235
Unable to concentrate nitric acid to 68%
What is it that you're using to measure density? Density is very temperature sensitive. I would cons ...
10-4-2019 at 18:14
by: UC235
Gallic acid extraction
So apparently, sumac leaves contain huge amounts of gallotannins and are readily extractable. Best h ...
31-3-2019 at 19:21
by: UC235
Diethyl ether storage and peroxides
[rquote=607048&tid=147195&author=draculic acid69]What about thf do you store that at all
[/ ...
31-3-2019 at 18:18
by: UC235
distilled water for diy ph calibration solution ?
pH of the distilled water means almost nothing since it has no ionic strength and can't be accuratel ...
31-3-2019 at 09:54
by: UC235
Gallic acid extraction
Pomegranate extract contains almost no gallic acid. Most of its polyphenolics are found as punicalag ...
30-3-2019 at 04:32
by: UC235
Preperation of ethyl salicylate
Boric acid is extremely weak and will not catalyze esterification meaningfully. Use sulfuric.
24-3-2019 at 07:24
by: UC235
Want to make dimethylglyoxime, works with hydroxylamine?
http://www.orgsyn.org/Content/pdfs/procedures/CV2P0204.pdf

I've done this two ways. Using methano ...
24-3-2019 at 06:27
by: UC235
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