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Hydrolysis of nickel chloride Thanks, I will do so. I've neither seen it with NiSO4 solution (although in CuSO4 solution I have, w ...	28-10-2020 at 15:37 by: Bezaleel
Hydrolysis of nickel chloride Hi, I made some NiCl2.xH2O by dissolving grey-black nickel oxide in dilute HCl solution and refluxin ...	27-10-2020 at 16:03 by: Bezaleel
Help in preparation of phosphotungstic acid A thought: could thermal decomposition of the ammonium salt lead to the acid? I don't know how therm ...	19-10-2020 at 00:49 by: Bezaleel
Oil lock up of rotary vane vacuum pumps Old oil in pumps is one issue. (It also tends to form a sticky carbonaceous layer on the main hub.) ...	16-10-2020 at 16:07 by: Bezaleel
Pretty Pictures (2) I just love these for their colour Cobalt(II)orthomolybdate (left) and molybdatocobaltate(III) (r ...	15-10-2020 at 14:41 by: Bezaleel
Pretty Pictures (2) [rquote=645017&tid=26378&author=Lion850]Cobalt formate crystals forming as the solution cool ...	15-10-2020 at 14:23 by: Bezaleel
Removing lead oxide from lead ingots. [rquote=640943&tid=62600&author=Tsjerk]HClO4 won't attack the lead (or hardly) as perchlorat ...	28-7-2020 at 03:11 by: Bezaleel
Useful perchlorate/chlorate tests Thanks!	28-7-2020 at 02:54 by: Bezaleel
Copper cyanurate (and other cyanurates} I can confirm that only freshly precipitated TiO2 will dissolve in HCl solution. Both anatase and ru ...	28-7-2020 at 02:41 by: Bezaleel
Removing lead oxide from lead ingots. 1. Woelen, will HClO4 remove only the oxide or will it also attack the lead metal? 2. Sulfamic ac ...	17-7-2020 at 03:25 by: Bezaleel
Copper cyanurate (and other cyanurates} [rquote=640924&tid=155624&author=Lion850]Cobalt continued: The grey cobalt cyanurate salt ...	17-7-2020 at 02:25 by: Bezaleel
KClO3 and H2SO4 reaction [rquote=639605&tid=14354&author=chornedsnorkack][rquote=639600&tid=14354&author=woel ...	3-7-2020 at 06:36 by: Bezaleel
Copper cyanurate (and other cyanurates} This is a really awesome review article. It greatly helped me understand what went on when I was not ...	23-6-2020 at 15:54 by: Bezaleel
Reducing sodium molybdate by nascent hydrogen [rquote=638806&tid=150706&author=Bedlasky]Interesting observations! I made phosphomolybda ...	23-6-2020 at 15:02 by: Bezaleel
Reducing sodium molybdate by nascent hydrogen [rquote=632943&tid=150706&author=Bedlasky]wg48temp9: Thank you very much for your post! You ...	19-6-2020 at 15:29 by: Bezaleel
Copper bicarbonate? In case you are looking to purify you copper carbonate, Atomistry suggests to dissolve the hydroxide ...	19-6-2020 at 06:23 by: Bezaleel
Crystals at bottom of ammonia? [rquote=638175&tid=155535&author=Godrick VanHess]When you say at the bottom of old ammonia b ...	15-6-2020 at 04:08 by: Bezaleel
Crystals at bottom of ammonia? It's a bit odd. I've noticed crystals at the bottom of old ammonia bottles as well and also wondered ...	11-6-2020 at 03:31 by: Bezaleel
Very low solubility of erbium oxide in mineral acids [rquote=635497&tid=21663&author=Lion850]I purchased pink Er2O3 and light blue Nd2O3 from a p ...	11-5-2020 at 01:58 by: Bezaleel
Inorganic compounds with most intense colour in water solution [rquote=635455&tid=155322&author=teodor][rquote=635392&tid=155322&author=Bedlasky] ...	11-5-2020 at 01:49 by: Bezaleel
Oxygen generator designs? Answering one by one: [rquote=633545&tid=155124&author=Junk_Enginerd] I've considered buil ...	6-4-2020 at 15:21 by: Bezaleel
Report on making praseodymium sulphate [rquote=633568&tid=155123&author=Herr Haber]Did you take a picture of your crystals ?Please ...	6-4-2020 at 03:02 by: Bezaleel
Report on making praseodymium sulphate Hi Lion850, I guess you learned what I learned also when I tried to make Pr sulphate. * Use dilute ...	3-4-2020 at 07:52 by: Bezaleel
Oxygen generator designs? Potassium permanganate is expensive, so that's no option either. I've been looking into this too, ...	3-4-2020 at 07:20 by: Bezaleel
Metal heteropolymolybdates Hi, That's a great overview of the colours these compound take. And a lot of work in testing all of ...	2-4-2020 at 15:00 by: Bezaleel
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