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why you shouldn't touch homemade salts I think I saw that discussion and it clearly stated that chemists show no elevated risk of getting t ... |
7-11-2020 at 01:08 by: Fyndium |
Latest chemical order? Finally restocked some 98% sulfuric acid. |
7-11-2020 at 01:03 by: Fyndium |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not? Funny thing that every single package that has been opened by the customs for me has contained elect ... |
6-11-2020 at 17:42 by: Fyndium |
Eye-opening lab seizure If you are conceptualizing something that might be off the book, leave it off the book. You can read ... |
6-11-2020 at 17:33 by: Fyndium |
why you shouldn't touch homemade salts What is the LD50 for beryllium and it's compounds? It's easier to picture how toxic it is, can it be ... |
6-11-2020 at 17:09 by: Fyndium |
Eye-opening lab seizure Being open and having trail of documents of your hobby makes things quite a lot easier. Usually the ... |
6-11-2020 at 12:08 by: Fyndium |
Preparation of ionic nitrites Calcium hydroxide is sold in hardware store 50c a kg, so the base is the least of the issues.
I'm ... |
6-11-2020 at 12:04 by: Fyndium |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not? Money and liability. Private sales have returning rights and other stuff, and common order is like 3 ... |
6-11-2020 at 09:43 by: Fyndium |
Heavy metals and the non chemist- What could go wrong here... How much lead leaches from the landmass, in numbers, and what are the normal and tolerable limits? D ... |
6-11-2020 at 09:28 by: Fyndium |
Vacuum glass implosion? Are glass frit filters designed to handle ordinary vacuum pump pressure differential? Does size matt ... |
6-11-2020 at 06:53 by: Fyndium |
Eye-opening lab seizure I like to state that chemistry is much like a puzzle where you have to figure a way to assemble diff ... |
6-11-2020 at 01:48 by: Fyndium |
What to do with 1,4-dioxane tar Bin it.
Soak it in paper or just scrape it off. Nowadays everything will be burned for energy any ... |
6-11-2020 at 01:15 by: Fyndium |
Happy half million posts to sciencemadness Practical discussion is not comparable to scientific studies.
That's because chemistry is not jus ... |
5-11-2020 at 15:38 by: Fyndium |
Heavy metals and the non chemist- What could go wrong here... There's no politically correct way to state an insignificant environmental impact factor. The chemic ... |
5-11-2020 at 15:10 by: Fyndium |
Preparation of ionic nitrites Could it be beneficial to actually use less nitrate compared to base and carbon, or does this kill t ... |
5-11-2020 at 15:00 by: Fyndium |
Sodium Metal Production Idea Use a tall reaction vessel with exhaust chimney vent on top, and place your condenser coldfinger/coi ... |
5-11-2020 at 14:48 by: Fyndium |
DIY condenser Ah, my bad. I always forget to check the date.
On the other hand I'm the archeologist who digs up ... |
5-11-2020 at 14:34 by: Fyndium |
Eye-opening lab seizure Funny thing though, I tried to ask my gov't chem office about restrictions on storing and handling c ... |
5-11-2020 at 12:54 by: Fyndium |
Eye-opening lab seizure When you can show actual property damage that is caused by unlawful action on a lawful matter, suing ... |
5-11-2020 at 10:17 by: Fyndium |
DIY condenser [rquote=275098&tid=23388&author=learningChem]
I don't think small condensers are readily av ... |
5-11-2020 at 10:02 by: Fyndium |
Preparation of ionic nitrites Ah, thanks for the input. I thought you were long gone, as this is a few years old topic.
Is the ... |
5-11-2020 at 08:37 by: Fyndium |
Preparation of ionic nitrites I performed a test with this. I ground up 100g of KNO3, 48g of NaOH and 20g of potato starch and pla ... |
5-11-2020 at 05:08 by: Fyndium |
90 - 99% nitric acid using dichloromethane Would it be possible to dehydrate and distill HNO3 by adding large amount of desiccant? |
5-11-2020 at 00:54 by: Fyndium |
Nitric acid HNO3 azeotrope distills at 120C, H2SO4 either does not bring water with it or keeps it, but not 15%. ... |
4-11-2020 at 15:18 by: Fyndium |
Nitric acid This 3% and 15% limit applies to whole EU. Silly, if oleum and dinitrogen pentoxide are still free t ... |
4-11-2020 at 13:09 by: Fyndium |
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