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Good source of arsenic? Rather you than I...	19-7-2018 at 12:42 by: DavidJR
Bad elements from ebay again [rquote=522284&tid=82049&author=woelen]I found another bad one: https://www.ebay.nl/itm/1 ...	19-7-2018 at 12:33 by: DavidJR
Heart medication recall. [rquote=524469&tid=85005&author=morganbw]If you eat or even drink water you are probably exp ...	18-7-2018 at 13:15 by: DavidJR
Heart medication recall. Quite concerning that their routine QA procedures didn't catch this.	18-7-2018 at 03:04 by: DavidJR
Chloroform from the electrolysis of brine and acetone [rquote=524305&tid=84705&author=Hunterman2244]Could you add hydrogen peroxide to produce the ...	18-7-2018 at 02:09 by: DavidJR
Toluene to Aniline path Sodium benzoate is already readily available and very cheap (it's used as a preservative in food).	17-7-2018 at 07:01 by: DavidJR
Sciencemadness comment box! A forum section for Analytical Chemistry might be nice	17-7-2018 at 02:45 by: DavidJR
HP (Agilent) 1050 - HPLC Some updates: I fixed the degasser. Essentially it's just some gas-permeable tubing (not sure wha ...	17-7-2018 at 00:00 by: DavidJR
Scored some serious lab safety gear! [rquote=523254&tid=84476&author=unionised]Always good to trust your life to fifty bucks wort ...	7-7-2018 at 05:25 by: DavidJR
HP (Agilent) 1050 - HPLC So, I scored an [url=https://www.ebay.co.uk/itm/202330088655]eBay bargain[/url]: an old HP 1050 HPLC ...	20-6-2018 at 12:54 by: DavidJR
Cleaning sintered glass filter from super tiny graphite mess. [rquote=521850&tid=84123&author=Texium (zts16)][rquote=521843&tid=84123&author=SWIM] ...	16-6-2018 at 00:56 by: DavidJR
Polar solvents [rquote=521340&tid=83923&author=Hunterman2244][rquote=521338&tid=83923&author=DavidJ ...	11-6-2018 at 12:38 by: DavidJR
Polar solvents Diethyl ether (and other ethers).	11-6-2018 at 12:21 by: DavidJR
Separate Isopropyl Alcohol and Xylene [rquote=521334&tid=83916&author=nimgoldman]I have less than a liter of it, so it's not a big ...	11-6-2018 at 12:07 by: DavidJR
Separate Isopropyl Alcohol and Xylene The conditions for sulphonation of xylenes (hot sulphuric acid) would lead to the formation of diiso ...	11-6-2018 at 11:26 by: DavidJR
EPP 15% Sulphuric acid ! Also, a couple of drops on the hand is a lot easier to clean off quickly than a whole face full... ...	7-6-2018 at 13:26 by: DavidJR
Accurate Volumetric Measurement Precision and accuracy are two very different things!	4-6-2018 at 09:24 by: DavidJR
Methanol to gasoline catalyst [rquote=520354&tid=83535&author=Fulmen]Sorry, I misread the OP. He's after alkanes, not alke ...	3-6-2018 at 16:15 by: DavidJR
Does washing ether with a hydroxide solution make it safe enough to distill to dryness? I'm not sure, but you could always just test it for peroxides?	3-6-2018 at 15:28 by: DavidJR
Methanol to gasoline catalyst Who on earth makes alkanes from methanol? That's definitely not how it's done industrially. Quite th ...	2-6-2018 at 18:00 by: DavidJR
EPP 15% Sulphuric acid ! [rquote=520191&tid=83377&author=NEMO-Chemistry] Most UK lead acid batteries are becoming se ...	1-6-2018 at 18:50 by: DavidJR
Is there a solvent I can use to wash my vacuum pump oil reservoir? [rquote=520183&tid=83470&author=alking]Wouldn't you save 50/yr that way, where do you get 20 ...	1-6-2018 at 13:55 by: DavidJR
how much of a history does glassware keep? [rquote=520097&tid=83053&author=LearnedAmateur]I mean I’d buy some if I’d use it for mul ...	31-5-2018 at 10:46 by: DavidJR
how much of a history does glassware keep? [rquote=520086&tid=83053&author=LearnedAmateur]Especially handy since I don’t have access ...	31-5-2018 at 08:59 by: DavidJR
Latest chemical order? [rquote=520085&tid=9890&author=G-Coupled][rquote=520083&tid=9890&author=DavidJR] ...	31-5-2018 at 08:54 by: DavidJR
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