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Corning 320 pH meter - missing probe when arrived - any suggestions on alternatives? https://www.ebay.co.uk/p/10x-aquarium-Electrode-Probe-BNC-Connector-Fish-Tank-Ph-Control-Meter-Senso ...	1-1-2018 at 08:53 by: unionised
Metabolites (from medications) turning them back into active ingredient? Sometimes you don't need to do any "work" on the metabolites. https://www.dailygrail.com/2012/09/ta ...	1-1-2018 at 08:45 by: unionised
Phosphors from CRT's - large amount recovered - What can be done? [rquote=502133&tid=79388&author=RogueRose]Is all the phosphor in CRT's (TV's and Monitors) t ...	1-1-2018 at 08:23 by: unionised
Phosphors from CRT's - large amount recovered - What can be done? I doubt there's much market for 2nd hand phosphors, especially wen they are mixed up. Most phosph ...	1-1-2018 at 07:36 by: unionised
McLeod Manometer Hg issues You have a gauge that reads between 1 and 0.001 mmHg, and a pump that will produce a "vacuum" of 10 ...	1-1-2018 at 07:34 by: unionised
Can someone please help with chloramine hcl Does chloramine form a hydrochloride? Is it that good a bases?	1-1-2018 at 05:21 by: unionised
Proper tubing for vacuum - what works best? [rquote=501957&tid=79344&author=Fulmen]You could try running a length of coarse rope through ...	31-12-2017 at 10:10 by: unionised
Corning 320 pH meter - missing probe when arrived - any suggestions on alternatives? The "rec" socket is an output proportional to the pH which is meant to be connected to a chart recor ...	31-12-2017 at 07:01 by: unionised
Prince Rupert's primary? [rquote=501961&tid=79241&author=Morgan]In passing, there's a lot of force in an ice bomb too ...	31-12-2017 at 03:45 by: unionised
So I bought an (Agilent) HP 5890 gas chromatograph... [rquote=501869&tid=79261&author=XeonTheMGPony][rquote=501611&tid=79261&author=zts16] ...	29-12-2017 at 07:55 by: unionised
Hydrogen Neutrons are not stable, and there were not many around when the hydrogen was formed.	27-12-2017 at 11:59 by: unionised
Pink Quartz Could be they started with this https://en.wikipedia.org/wiki/Quartz#Rose_quartz	27-12-2017 at 11:34 by: unionised
Label Files [rquote=501682&tid=79285&author=NEMO-Chemistry][rquote=501679&tid=79285&author=union ...	27-12-2017 at 09:52 by: unionised
Label Files Most of those laws fall into UK law as regulations under the Health + Safety at work etc Act. Sin ...	27-12-2017 at 08:05 by: unionised
So I bought an (Agilent) HP 5890 gas chromatograph... [rquote=501598&tid=79261&author=aga]Reboot must be of the American persuasion - Cotter pins ...	27-12-2017 at 03:47 by: unionised
Is this a good Geiger counter cicuit? Doesn't work for me; asks for log-in details. That's hardly the point. If it doesn't work for some ...	27-12-2017 at 03:31 by: unionised
Industrial level chemical refining [rquote=501638&tid=79273&author=Yttrium2]So, with the meth scare and all,[/rquote] What m ...	27-12-2017 at 03:30 by: unionised
Prince Rupert's primary? Fused quartz is well known for a low expansion coefficient.	26-12-2017 at 11:48 by: unionised
So I bought an (Agilent) HP 5890 gas chromatograph... That first pic looks like a cotter pin. What does the rest of that assembly look like?	26-12-2017 at 10:53 by: unionised
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents [rquote=501556&tid=79236&author=NEMO-Chemistry]Surely thats a mistake? At those temps wouldn ...	26-12-2017 at 09:49 by: unionised
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents [rquote=501557&tid=79236&author=Fulmen]Unionseed: Read both sources again. 825°C is for cal ...	26-12-2017 at 09:47 by: unionised
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents [rquote=501550&tid=79236&author=NEMO-Chemistry]wikipedia says 850C https://en.wikipedia.o ...	26-12-2017 at 07:43 by: unionised
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents [rquote=501475&tid=79236&author=PirateDocBrown]Methanol-water is not azeotropic. But, no, ...	26-12-2017 at 04:07 by: unionised
Electrolysis of sterling silver It also might be some sort of graphite oxide; be careful heating it.	25-12-2017 at 05:02 by: unionised
Electrolysis of sterling silver AgO is just about possible. https://en.wikipedia.org/wiki/Silver(I,III)_oxide If you heat the my ...	24-12-2017 at 05:21 by: unionised
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