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Very good explanation of evolution with simulations Very nice simulation and video. Few years ago I made a colony of ants simulation for fun, just to ...	20-11-2021 at 13:36 by: Oxy
Diluting 90+% Nitric Acid to 70%? Yes, the whole idea is to submerge the hose output/funnel/whatever in a way that if there will be pr ...	8-11-2021 at 09:40 by: Oxy
Diluting 90+% Nitric Acid to 70%? [rquote=667009&tid=158021&author=ManyInterests] Yes! I am extremely lucky that the only thi ...	8-11-2021 at 08:24 by: Oxy
Diluting 90+% Nitric Acid to 70%? [rquote=666889&tid=158021&author=ManyInterests] Something like this happened again, and I k ...	7-11-2021 at 21:14 by: Oxy
Diluting 90+% Nitric Acid to 70%? [rquote=666428&tid=158021&author=Antiswat]if you decide to go for distilling conc. HNO3 you ...	1-11-2021 at 19:11 by: Oxy
Electronic lab notebook Currently I have no access to my lab and it seems that I will not not be able to do anything soon. B ...	24-10-2021 at 11:12 by: Oxy
Safety measures for working with NO2 Those who died will not admit. This forum is not the whole world. I've read some medical reports ...	15-10-2021 at 01:34 by: Oxy
2021 Secret Santa - Sign up here This year I can't participate as I am moving to other country and don't know if it's possible to run ...	14-10-2021 at 21:34 by: Oxy
Safety measures for working with NO2 Be careful after being exposed to things which may cause pulmonary edema. Any physical effort is not ...	14-10-2021 at 21:31 by: Oxy
A Beginner Microscope If you're looking for something not aspiring to professional - on last Christmas I bought a Levenhuk ...	14-10-2021 at 14:31 by: Oxy
Alibaba [rquote=665436&tid=157141&author=Mush]Do buyers get bombarded with promotional stuff from ...	7-10-2021 at 11:10 by: Oxy
Mothballs - what is available where you live? Actually camphore might be not as useless as it looks. Vogel (not only but also physical chemistry t ...	7-10-2021 at 06:42 by: Oxy
Secret Santa 2021 [rquote=665831&tid=157908&author=karlos³] What are typical christmas sweet things or such ...	4-10-2021 at 14:10 by: Oxy
Ohaus again (balances and hotplates) For really correct density measurement I would suggest to use a pycnometer. Not suitable for all liq ...	4-10-2021 at 14:06 by: Oxy
Ohaus again (balances and hotplates) I was using OHaus scale with resolution to 0.01g and after it got damaged I switched to cheap 0.01g ...	4-10-2021 at 03:02 by: Oxy
Safety measures for working with NO2 I would not trust old military masks and especially their filters. You can buy new mask with brand n ...	28-9-2021 at 07:06 by: Oxy
A Note on the Synthesis of 3-Nitrophthalic Acid [rquote=659330&tid=157336&author=UranylPeroxysulfate] One problem: I do not have a proper m ...	24-9-2021 at 12:18 by: Oxy
European Sulfuric Acid Ban We shouldn't try to prove anything. What I wanted to say is just that I am able to understand why pe ...	20-9-2021 at 21:18 by: Oxy
European Sulfuric Acid Ban No need for any unnecessary bad emotions, I am here as well. I am not telling that I am against ama ...	20-9-2021 at 11:25 by: Oxy
European Sulfuric Acid Ban [rquote=665429&tid=155798&author=WolfPack] I agree with that. Like everybody else here, I j ...	19-9-2021 at 22:24 by: Oxy
Isolating a deliquescent crystals from a saturated solution You can easily remove the water by applying heat and vacuum. RBF with gas take-off adapter connected ...	17-9-2021 at 11:52 by: Oxy
Lethal dose of mercuric nitrate [rquote=665234&tid=156298&author=woelen] Compare this to the half life of cyanide. This is ...	13-9-2021 at 12:08 by: Oxy
KHSO4 Potassium bisulfate Another option is bromic acid synthesis from potassium bromide and sulfuric acid. Regarding safet ...	7-9-2021 at 10:17 by: Oxy
Border between inorganic and organic chemistry ? [quote] The range of chemicals studied in organic chemistry includes hydrocarbons So CO, [...] ...	6-9-2021 at 10:52 by: Oxy
Taking on and teaching an an assistant You can use university lab manual and do some theory and practice on all basic procedures (various t ...	24-8-2021 at 08:36 by: Oxy
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