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Search Why is my zinc powder not powder??? I bought zinc powder, but most arent powder, they'er large pieces. Why??? 24-7-2019 at 03:07 by: TmNhRhMgBrSe Is sulphite strong enough to reduce Cr(VI) to Cr(II)? Then why it's blue? 22-7-2019 at 01:47 by: TmNhRhMgBrSe Is sulphite strong enough to reduce Cr(VI) to Cr(II)? I mixed some chromate, acetic acid and sulphite. The solution turned blue. So is the chromium +2? 21-7-2019 at 10:15 by: TmNhRhMgBrSe Why is my chromate orange? Isn't it yellow? I mixed sodium hydroxide and potassium dichromate. The solution is very alkaline. Why it still a lit ... 19-7-2019 at 09:42 by: TmNhRhMgBrSe Removing oil residues: ethanol vs. isopropanol Why not just use soap? 16-7-2019 at 08:08 by: TmNhRhMgBrSe Will metals and chemicals in tissue paper contaminate my experiments? How much metals and chemicals in tissue paper? If I use tissue paper to filter solutions will they c ... 11-7-2019 at 04:18 by: TmNhRhMgBrSe What price should 1lb KNO3 be? Is $10 too expensive? It's unbranded, and purity unknown, but I think it should be ok pure 10-7-2019 at 04:05 by: TmNhRhMgBrSe What price should 1lb KNO3 be? Is $10 too expensive? What price should 1lb KNO3 be? Is $10 too expensive? 10-7-2019 at 02:29 by: TmNhRhMgBrSe How to store chemicals in a wet and hot wether? I got some sodium thiocyanate in a plastic container, but it already absorbed a lot of water and mos ... 8-7-2019 at 00:26 by: TmNhRhMgBrSe Suspicious parcels were found to contain ruthenium It was 4 years ago. https://hk.on.cc/hk/bkn/cnt/news/20150306/bkn-20150306115324146-0306_00822_001. ... 4-7-2019 at 19:41 by: TmNhRhMgBrSe Suspicious parcels were found to contain ruthenium 2 suspicious parcels were put near properties of 2 famous local businessmen and safely detonated by ... 4-7-2019 at 19:37 by: TmNhRhMgBrSe

Sciencemadness Discussion Board » Search Select A Forum Fundamentals   » Chemistry in General   » Organic Chemistry   » Beginnings   » Responsible Practices   » Miscellaneous Engineering and Equipment   » Reagents and Apparatus Acquisition   » Electronics   » Process Engineering   » Materials and Metallurgy Special Topics   » Analytical Chemistry   » Electrochemistry   » Energetic Materials   » Biochemistry   » Radiochemistry   » Computational Models and Techniques Literature and Documentation   » Sciencemadness Wiki   » Prepublication Non-science   » Forum Matters   » Legal and Societal Issues