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Mercury/HNO3 incident [rquote=625306&tid=154259&author=DavidJR]I would distill off most of the nitric acid before ...	31-10-2019 at 13:04 by: unionised
Why some compounds may disappear in TLC? Other possibilities are oxidation or hydrolysis catalysed by SiO2	30-10-2019 at 01:08 by: unionised
Distilled, De-ionised or Tap water? [rquote=625002&tid=154218&author=AJKOER]To all, Unionised apparently does not approve of my ...	26-10-2019 at 08:09 by: unionised
Distilled, De-ionised or Tap water? [rquote=624938&tid=154218&author=AJKOER]If you are running a chlorine bleach based task/expe ...	26-10-2019 at 04:15 by: unionised
PTFE filters? What are they for? You can make life easier by pre-wetting the filter with a little methanol or acetone before trying t ...	23-10-2019 at 10:01 by: unionised
high sensitivity low explosives [rquote=624786&tid=154209&author=Alkoholvergiftung]The first Primary was an mix of Sulfur Po ...	23-10-2019 at 09:59 by: unionised
silicon carbide from old abrasive paper ("sand" paper) [rquote=624617&tid=154195&author=Boffis]what more could you want?[/rquote] The satisfaction ...	19-10-2019 at 04:35 by: unionised
Obtaining pure hydrochloric acid [rquote=624590&tid=154136&author=AJKOER][rquote=624587&tid=154136&author=unionised] ...	19-10-2019 at 03:45 by: unionised
Obtaining pure hydrochloric acid [rquote=624560&tid=154136&author=AJKOER] So to be clearer for those with low reading comp ...	18-10-2019 at 09:49 by: unionised
Obtaining pure hydrochloric acid [rquote=624542&tid=154136&author=AJKOER] My prior cited path (see https://www.sciencemadn ...	17-10-2019 at 10:11 by: unionised
Dumb question about the Knoevenagel reaction I'm fairly sure that's a Henry reaction https://en.wikipedia.org/wiki/Henry_reaction	13-10-2019 at 01:29 by: unionised
Graph info to find correlation [rquote=624224&tid=154154&author=Yttrium2]Lets say I want to make a graph x axis is amoun ...	12-10-2019 at 09:21 by: unionised
Ideas to run a chromathography column (menthol / camphor) Both materials smell. So, it's pretty clear that they both sublime. You might be able to separat ...	12-10-2019 at 07:06 by: unionised
Obtaining pure hydrochloric acid [rquote=624060&tid=154136&author=RogueRose] Does the temp of the receiver greatly effect ho ...	6-10-2019 at 12:28 by: unionised
Obtaining pure hydrochloric acid If you want to "regenerate" ion exchange resins used for water softening you do it by running HCl th ...	6-10-2019 at 01:04 by: unionised
Sodium silicate and boric oxide together.good idea or not? Unless you make a graded joint, it's still going to break when the temperature changes. What are ...	3-10-2019 at 10:46 by: unionised
Make Cobalt Chloride from Cobalt Metal? Dissolutions of carbonates in acid are often endothermic.	1-10-2019 at 12:13 by: unionised
Sodium silicate and boric oxide together.good idea or not? [rquote=623862&tid=154120&author=draculic acid69]I want to join a pyrex tube to a soda glass ...	1-10-2019 at 11:35 by: unionised
Making ultramarine Is it just me who thinks this synthesis- while well documented- is as fishy as Grimsby? While the m ...	30-9-2019 at 13:18 by: unionised
Make Cobalt Chloride from Cobalt Metal? The excess HCl is volatile. Just leaving the solution somewhere warm would drive it off, however th ...	29-9-2019 at 10:10 by: unionised
Making ultramarine [rquote=623755&tid=154089&author=rockyit98]@Arcaeca you need to invest in electric kiln. ...	29-9-2019 at 07:46 by: unionised
remove ion pairing reagent after pre-HPLC my products [rquote=623400&tid=154069&author=DavidJR]Best approach would be to come up with a HPLC metho ...	23-9-2019 at 12:15 by: unionised
Formaldehyde odor [rquote=623225&tid=153864&author=6dthjd1] @unionised How might methylamine get in there? ...	20-9-2019 at 09:52 by: unionised
Formaldehyde odor Paraformaldehyde is a polymer of formaldehyde. One of the things they use to catalyse the polymeris ...	13-9-2019 at 15:45 by: unionised
Elemental sulfur from sulfates? [rquote=622452&tid=153772&author=Alkoholvergiftung]You dont Need to burn the H2S Gas you onl ...	8-9-2019 at 10:52 by: unionised
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