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Ruby red manganese sulphate ??? I tried again to produce the manganese violet. Using the ruby red solution of Mn to which I added di ...	30-10-2016 at 18:37 by: wg48
beryllium oxide vs aluminum oxide There are no significant amounts of beryllium oxide in domestic microwave oven magnetrons. There ...	30-10-2016 at 16:33 by: wg48
Cheap Fumehood Construction Great write up. One option for the enclosure is to re purpose a ready built enclosure. A scrapped ...	30-10-2016 at 03:27 by: wg48
Ruby red manganese sulphate ??? [rquote=465100&tid=70439&author=Neme]Can you post pictures please?[/rquote] Yes. The ...	29-10-2016 at 03:18 by: wg48
Ruby red manganese sulphate ??? I was curious about the manganese violet too. I tried making it with aqueous solution of the requ ...	28-10-2016 at 12:19 by: wg48
Ruby red manganese sulphate ??? [rquote=465183&tid=70439&author=elementcollector1]Mn(II)'s color can be a bit hard to see un ...	27-10-2016 at 14:21 by: wg48
Ruby red manganese sulphate ??? Here is an interesting paper on the stablity of Mn(III) https://www.google.co.uk/url?sa=t&rct ...	27-10-2016 at 02:53 by: wg48
Latest chemical order? [rquote=463070&tid=9890&author=AngelEyes]Darrant Chemicals - anyone had any dealings with th ...	27-10-2016 at 02:27 by: wg48
Porcelain is cracking annoying All of the porcelain crucibles I have used have failed in as little as the second use. It seemed ...	26-10-2016 at 15:21 by: wg48
How can I calculate the ~ microwave energy required to decarboxylate a carboxylic acid? [rquote=465128&tid=70377&author=TertAmyl]The reaction happens spontaneously are STP - it is ...	26-10-2016 at 14:28 by: wg48
Ruby red manganese sulphate ??? Here is a pic of the solution. It about two weeks old. The color on my display compared to the actua ...	26-10-2016 at 14:10 by: wg48
Ruby red manganese sulphate ??? [rquote=465101&tid=70439&author=DraconicAcid]Mn(III) salts are very dark red, but they aren' ...	26-10-2016 at 09:38 by: wg48
Ruby red manganese sulphate ??? I washed the black mixture from a used dry battery several times with water. Then left some of th ...	26-10-2016 at 06:47 by: wg48
How to adjust reflux ratio ? [rquote=464997&tid=69333&author=Sulaiman]I waited a month for 3mm glass spheres that never a ...	25-10-2016 at 21:30 by: wg48
Programmable elevator/mechanical device Here is a two channel programmable timer 0.1s to 9,999s http://www.ebay.co.uk/itm/12V-Dual-Progr ...	24-10-2016 at 06:33 by: wg48
Theoretical chemistry how to obtain sulfuric acid from raw natural sources [rquote=464547&tid=70216&author=phlogiston]There are natural (volcanic) lakes that consist o ...	22-10-2016 at 03:43 by: wg48
Wood ash leaching - results of ~2 gal hardwood - is this normal? You can use a filter aid to coat the filter first. See: http://www.filteraid.com/how_filteraid_wo ...	21-10-2016 at 08:31 by: wg48
The art of crystallization [rquote=464502&tid=69527&author=Dwarvensilver]Thanks for the links, I have the PDF now and w ...	21-10-2016 at 08:20 by: wg48
The art of crystallization This is the best paper: https://www.researchgate.net/publication/238119403_Rapid_growth_of_KDP-type ...	20-10-2016 at 09:16 by: wg48
The art of crystallization Its something similar this is how they made those huge KHP cystals. The rotation is to power a turbi ...	19-10-2016 at 13:07 by: wg48
Maths assistance please You are both need to swot up on charge/coulombs. In this case you need the charge measured in mAH ...	18-10-2016 at 12:28 by: wg48
Cheap titanium sheet on ebay [rquote=463770&tid=69974&author=elementcollector1]It's GR5 Ti alloy, which means 90% Ti, 6% ...	15-10-2016 at 01:46 by: wg48
Cheap titanium sheet on ebay £2 for Ti Foil-0.1mmx100mmx300mm http://www.ebay.co.uk/itm/Titanium-TC4-GR5-Ti-Thin-Plate-Sheet- ...	14-10-2016 at 15:12 by: wg48
Oxidation via bubblers - what rate can be expected and how to improve absorption? The copper in dilute HCl is now > two weeks old. More copper has been added so some is above the ...	12-10-2016 at 06:09 by: wg48
How to adjust reflux ratio ? [rquote=462889&tid=69333&author=Sulaiman]I have made a few preliminary heat calculations for ...	5-10-2016 at 15:09 by: wg48
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