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Latest chemical order? [rquote=520081&tid=9890&author=G-Coupled] Could you share where you got the CH and the exce ...	31-5-2018 at 08:24 by: DavidJR
Making H2SO4 from sulfur & O2 concentrator? [rquote=520076&tid=83459&author=NEMO-Chemistry] I had always assumed Chrome Vanadium tools ...	31-5-2018 at 07:52 by: DavidJR
Discord Server for Chemists Could always create a new discord server for sciencemadness?	30-5-2018 at 15:59 by: DavidJR
Vandium pentoxide substitute Cerium is even harder to get...	30-5-2018 at 15:55 by: DavidJR
Making H2SO4 from sulfur & O2 concentrator? [rquote=519998&tid=83459&author=clearly_not_atara]Are bisulfate salts banned? If you're will ...	30-5-2018 at 10:13 by: DavidJR
Lowes pulls paint stripper from shelves! How to make DCM Probably still easiest to just buy it - albeit pure from a chemical supplier rather than in paint st ...	30-5-2018 at 09:39 by: DavidJR
Robo challenge event: 2D pattern matching needed Do you have some sample images w/ detected point coordinates that we could play about with?	30-5-2018 at 09:00 by: DavidJR
The Short Questions Thread (4) I wouldn't have thought you'd lose any at all, the cylinder shouldn't leak appreciably.	30-5-2018 at 07:21 by: DavidJR
Latest chemical order? [rquote=519983&tid=9890&author=VSEPR_VOID] Its strange that its legal to purchase such a la ...	30-5-2018 at 06:06 by: DavidJR
Latest chemical order? Handful of recent purchases, not all received yet: 25kg each of sodium hydroxide and potassium hy ...	30-5-2018 at 00:41 by: DavidJR
Synthesis of Isobutyl Nitrite (88.2% Yield) from Isobutyl Alcohol and Nitrous Acid formed in Situte They can also be used to prepare azides.	29-5-2018 at 06:26 by: DavidJR
EPP 15% Sulphuric acid ! [rquote=519757&tid=83377&author=coppercone]ok so people are gonna switch to molten sugar att ...	28-5-2018 at 17:05 by: DavidJR
Bad elements from ebay again I bought some selenium powder a while ago (from pickbestforyou on eBay) and have only just got round ...	28-5-2018 at 15:20 by: DavidJR
EPP 15% Sulphuric acid ! The magnesium/Aluminium powder thing is just mandatory reporting of sales. I personally don’t have ...	28-5-2018 at 14:16 by: DavidJR
EPP 15% Sulphuric acid ! I guess technically oleum having >85% SO[sub]3[/sub] is still allowed though... Contact proce ...	28-5-2018 at 07:33 by: DavidJR
Synthesis of Fomepizole An apparently well-known solution to this problem is an OTC medication called ranitidine (brand name ...	27-5-2018 at 19:35 by: DavidJR
Synthesis of Isobutyl Nitrite (88.2% Yield) from Isobutyl Alcohol and Nitrous Acid formed in Situte [rquote=519582&tid=83333&author=j_sum1][moderating] Back on topic, DavidJR. No one needs ...	27-5-2018 at 19:29 by: DavidJR
Good sources of cerium [rquote=519604&tid=83368&author=Dr.Bob]Ceric Ammonium Nitrate is used in many labs, that wou ...	27-5-2018 at 19:27 by: DavidJR
EPP 15% Sulphuric acid ! WHAT?! Jesus fucking christ. That's positively ridiculous. A lab without conc. sulphuric acid is pro ...	27-5-2018 at 17:10 by: DavidJR
Construction of a portable acid/base scrubber for effluent gas You can get extruded acrylic pipe, perhaps that would be worth investigating?	27-5-2018 at 16:23 by: DavidJR
Another potential phthalate source? Phthalic anhydride and phthalic acid are difficult to find, but potassium hydrogen phthalate ("KHP") ...	27-5-2018 at 01:54 by: DavidJR
Synthesis of Isobutyl Nitrite (88.2% Yield) from Isobutyl Alcohol and Nitrous Acid formed in Situte [rquote=519491&tid=83333&author=VSEPR_VOID][rquote=519489&tid=83333&author=DavidJR]E ...	27-5-2018 at 01:36 by: DavidJR
Synthesis of Isobutyl Nitrite (88.2% Yield) from Isobutyl Alcohol and Nitrous Acid formed in Situte Enjoy your poppers	26-5-2018 at 17:20 by: DavidJR
Optimum indicator concentration? I'd just go with 0.5% for phenolphthalein and be done with it. Isopropanol will work fine.	26-5-2018 at 15:00 by: DavidJR
Optimum indicator concentration? Yeah, pre-made indicator solutions always feel like a total ripoff (cough says the person selling pr ...	26-5-2018 at 10:22 by: DavidJR
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