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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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