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Future-gazing: available now, restricted tomorrow?
No need to defend bleach makers! For decades, regular bleach was 5.25% (0.7 M or what) and it was no ... |
12-7-2019 at 12:58
by: Pumukli |
Vacuum Oven vs Kiln for Molecular Sieve Drying
Isn't it dangerous to put a few litres of wet sieves into a regular oven at high heat? I mean explos ... |
11-7-2019 at 08:13
by: Pumukli |
Future-gazing: available now, restricted tomorrow?
I think something happened. There was (still is) a shop, real and online as well, which stocked 96% ... |
9-7-2019 at 12:57
by: Pumukli |
Anthranilic acid fail
To continue my monologue I burned a sample of the powder at the tip of the blade of a thin knife. Ye ... |
9-7-2019 at 06:53
by: Pumukli |
Anthranilic acid fail
I was wondering that maybe what I got is the calcium salt of AA as a precipitate. (Because I used Ca ... |
8-7-2019 at 23:49
by: Pumukli |
Anthranilic acid fail
Well, now I'm over three different batches of anthranilic acid preparations.
But I feel dumber than ... |
8-7-2019 at 04:37
by: Pumukli |
Anthranilic acid fail
The actual mechanism is in question. (At least not clear 100% for me.)
Byko3y emphasized the impo ... |
5-7-2019 at 23:39
by: Pumukli |
Anthranilic acid fail
Nice find and translation, Mr. Wack!
The yield is especially remarkable, taking into account that ... |
5-7-2019 at 21:42
by: Pumukli |
Just One Meal a Day Longevity Approach
If glucose in our blood is the main culprit regarding cancer or longevity then there's the obvious l ... |
3-7-2019 at 03:01
by: Pumukli |
Manganese heptoxide in very low concentration
" Maybe I'll try put on small amount of Mn2O7 drop of ethanol."
To clarify things: I DID NOT let ... |
30-6-2019 at 12:09
by: Pumukli |
Anthranilic acid fail
Did it stand in the fridge or at room temperature? |
30-6-2019 at 11:58
by: Pumukli |
Manganese heptoxide in very low concentration
"How many of your students get stimulated/excited by a colour change ?"
Well, if it is on a pregn ... |
30-6-2019 at 03:00
by: Pumukli |
TLC Quiz
It seems that after a lot of struggle I could finaly prepare that nicotinonitrile I asked about mont ... |
27-6-2019 at 11:20
by: Pumukli |
Vacuum aspirator using DMSO
I had the same (very similar) idea months ago: why not use ethylene-glycole in a recirculating aspir ... |
25-6-2019 at 02:44
by: Pumukli |
Dioxanes ? YOU MUST KNOW THESE INFO
I could successfully disconnect stuck joints with the help of a heat gun - similar method as Sulaima ... |
24-6-2019 at 02:43
by: Pumukli |
Hypothetically drinkable ethanol from methylated spirits
I read somewhere that ethanol and higher alcohols are hard to convince to react with magnesium. Only ... |
18-6-2019 at 07:27
by: Pumukli |
Distillation of animal products?
Distilling piss!
No kidding - check the attached literature and see how serious scientist can get ... |
17-6-2019 at 07:31
by: Pumukli |
Tryptamine question
It is promising if you have the courage and the will to walk unwalked paths. You may found something ... |
17-6-2019 at 03:38
by: Pumukli |
Looking over the border: EU-Regulations
"this tendency has to be combated"
Yeah.
And who will do the combatting and how?  |
17-6-2019 at 01:46
by: Pumukli |
reduction of carbonyls without NaBH4 and LiAlH4
With Fe/HCl I don't know.
With Sn/acetic acid or Zn/acetic acid it is reported. E.g. I tried to r ... |
17-6-2019 at 01:37
by: Pumukli |
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
OK, I'm stand corrected!
I asked around and someone told me that those guys I mentioned in my pre ... |
12-6-2019 at 12:21
by: Pumukli |
making intresting substances from already available compounds
Pesticides can be useful precursors in org. chem. if you know what to look for.
Modern ones are s ... |
11-6-2019 at 20:04
by: Pumukli |
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
I've seen people who made relatively big ammounts (circa 200g) ZnCl[sub]2[/sub] melt on a strong gas ... |
11-6-2019 at 02:48
by: Pumukli |
Capsaicin extraction and isolation
Maybe it would be worth trying extraction first with something apolar, say heptane, petrol ether, so ... |
10-6-2019 at 12:22
by: Pumukli |
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
Drying hydrated ZnCl[sub]2[/sub] is possible by melting. (Strong heating required, in a stainless st ... |
10-6-2019 at 12:13
by: Pumukli |
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