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Route specific impurities piperine/piperonal I suspect that if the RuO4 were prepared from RuO2, there would be no chlorinated piperonal in the p ...	14-4-2018 at 15:10 by: JJay
Using flask on electric stove top - should pan or sand/metal bath be used? It's hard to go wrong with soybean oil as a heating bath. It is typically the cheapest vegetable oil ...	14-4-2018 at 14:46 by: JJay
Using flask on electric stove top - should pan or sand/metal bath be used? I've had horrible luck with sand baths. I've used table salt heating baths at 300-400 C a couple of ...	14-4-2018 at 13:41 by: JJay
screw caps for storage bottles I just buy Boston round bottles at the health food store and put Qorpak caps on them. It is cheaper ...	13-4-2018 at 23:56 by: JJay
Mercury...again I'll give you $1.74 for it.	13-4-2018 at 13:46 by: JJay
Ether synthesis safety It is more economical to make ether yourself than it is to distill it from starting fluid.	12-4-2018 at 11:28 by: JJay
Lab Labels I usually like to put some information regarding the grade of the chemical on the label. Usually I a ...	10-4-2018 at 14:01 by: JJay
Lab tips & tricks I've used screw top thermometers with vacuum dozens of times without issue... it is essential to mak ...	8-4-2018 at 23:17 by: JJay
Technical grade acetone purification I've distilled solvent grade acetone a few times; it is typically pretty pure (at least 99%) but wit ...	8-4-2018 at 23:11 by: JJay
Concentrating hydrochloric acid HCl gas doesn't seem to suckback nearly as strongly against an azeotropic solution as against pure w ...	8-4-2018 at 23:06 by: JJay
Sodium Ethyl Sulfate I am of the opinion that this thread is justified and appropriate; sodium ethyl sulfate has a number ...	7-4-2018 at 04:43 by: JJay
Lab tips & tricks Whenever you spill sulfuric acid over valuable electronic equipment, pour dry potassium bicarbonate ...	7-4-2018 at 04:28 by: JJay
Easiest Way to Make Calcium Acetate [rquote=513382&tid=81782&author=Boffis]What's wrong with colourless, distilled vinegar and e ...	7-4-2018 at 04:21 by: JJay
Easiest Way to Make Calcium Acetate What is the easiest way to make calcium acetate? Earlier I attempted to mix hot saturated solutions ...	6-4-2018 at 19:25 by: JJay
Someone is wrong (about organic chemistry) on the Internet! [rquote=513286&tid=81770&author=Melgar]Okay, so I got roped into a debate that started on Re ...	6-4-2018 at 12:21 by: JJay
CuSO4 replacement reactions You could probably sell a lot of it. Copper II chloride is much easier to reduce with metals than ...	6-4-2018 at 12:06 by: JJay
French press vs Percolated coffee [rquote=513094&tid=81733&author=aga]I do no know how to reduce nitromethane. Guess i coul ...	5-4-2018 at 21:40 by: JJay
What is cause of global warming? Heat or gases? [rquote=513263&tid=81554&author=byko3y][b]JJay[/b], aren't we talking about global warming? ...	5-4-2018 at 19:30 by: JJay
What is cause of global warming? Heat or gases? [rquote=513261&tid=81554&author=byko3y]Invention of CO2 as a cause of temperature change is ...	5-4-2018 at 19:25 by: JJay
French press vs Percolated coffee Yes. I see that sum_lab has some new videos.	5-4-2018 at 17:46 by: JJay
French press vs Percolated coffee I just looked up how to make Vietnamese coffee... with espresso, the boiling water is forced through ...	5-4-2018 at 17:35 by: JJay
Seperating chrome from iron and nickel, stainless steel I'm thinking about dissolving some impure calcium chromate in water and dripping in sulfuric acid un ...	4-4-2018 at 22:58 by: JJay
French press vs Percolated coffee I like regular espresso made by putting small amounts of boiling water through coarsely ground coffe ...	4-4-2018 at 22:47 by: JJay
Doug's Lab I was wondering the same thing. It is very easy to get caught up in other things in the middle of an ...	4-4-2018 at 14:28 by: JJay
Seperating chrome from iron and nickel, stainless steel You'll have sodium and/or potassium bisulfate if the pH is low enough and enough sulfuric acid is pr ...	4-4-2018 at 13:45 by: JJay
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