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Any secrets to keeping a frit from getting clogged? [rquote=552675&tid=97845&author=hissingnoise][quote]I make the 30% Hydrogen Peroxide by buyi ... |
14-11-2018 at 05:21 by: DavidJR |
Stability and precision of Hall-based current sensors? [rquote=552517&tid=103892&author=Vomaturge]
*I'm assuming you have a US style electrical se ... |
13-11-2018 at 16:26 by: DavidJR |
Stability and precision of Hall-based current sensors? [rquote=552506&tid=103892&author=Fulmen]David: That's exactly what I'm planning. The ADC has ... |
13-11-2018 at 16:08 by: DavidJR |
Stability and precision of Hall-based current sensors? Do not forget that with AC you cannot simply measure RMS voltage and RMS current and then multiply - ... |
13-11-2018 at 15:41 by: DavidJR |
Say goodbye to cheap Chinese shipping Sounds entirely reasonable to me. |
13-11-2018 at 15:08 by: DavidJR |
Hitachi D-7000 HPLC Issues I would hold off doing that until you find documentation or software or some more info. I thought, o ... |
13-11-2018 at 12:50 by: DavidJR |
Hitachi D-7000 HPLC Issues I'm not sure but it's possible that the 'ethernet' ports are not truly ethernet at all and they just ... |
13-11-2018 at 03:11 by: DavidJR |
Hitachi D-7000 HPLC Issues Is there some kind of remote interface connection between the modules that you need to connect? I ha ... |
12-11-2018 at 15:48 by: DavidJR |
Everyday Chemistry [rquote=552030&tid=84298&author=Sulaiman]I made chloroform using a cheap dilute domestic ble ... |
12-11-2018 at 09:34 by: DavidJR |
The Science behind biometric authentication and its acceptance in the public arena [rquote=551645&tid=103594&author=Sulaiman]
I was involved exclusively with Government I.T. ... |
11-11-2018 at 16:43 by: DavidJR |
Laboratory Equipment Suppliers Help [rquote=551695&tid=103319&author=Sulaiman]CIF[sub]3[/sub]
In UK I have not found a better ... |
11-11-2018 at 08:32 by: DavidJR |
Lessons Learned [rquote=551472&tid=103518&author=CharlieA]Well said...also, don't leave something being heat ... |
11-11-2018 at 07:55 by: DavidJR |
The Science behind biometric authentication and its acceptance in the public arena People won’t like it because it’s too close to being treated like a criminal. Also, it’d make ... |
11-11-2018 at 02:11 by: DavidJR |
Recovering Silver from Silver Bromide [rquote=550824&tid=102555&author=Heptylene]But, surprisingly, when left for a few hours (exp ... |
10-11-2018 at 16:25 by: DavidJR |
Hazardous concerns [rquote=550905&tid=101126&author=AvBaeyer]
I do not want to drag this out too far but I nee ... |
9-11-2018 at 05:45 by: DavidJR |
Hazardous concerns [rquote=550635&tid=101126&author=AvBaeyer]
Of the 6 of us that worked in that lab, 4 of us ... |
8-11-2018 at 14:37 by: DavidJR |
Homemade and Repurposed Lab Gear Very nice! I've been thinking of building something like that. The commercial lab lattice kits with ... |
8-11-2018 at 04:21 by: DavidJR |
Hazardous concerns [rquote=550635&tid=101126&author=AvBaeyer]
I should have put my acetonitrile disposal comme ... |
8-11-2018 at 04:19 by: DavidJR |
Recovering Silver from Silver Bromide Actually now that I think about it, I've recovered silver from spent photographic fixer before, so d ... |
7-11-2018 at 04:29 by: DavidJR |
Hazardous concerns [rquote=550327&tid=101126&author=AvBaeyer]Zed,
I have never in many years heard of any deat ... |
7-11-2018 at 03:40 by: DavidJR |
Recovering Silver from Silver Bromide [rquote=550368&tid=102555&author=nimgoldman]
I think I will just leave it on light as AgBr ... |
7-11-2018 at 03:24 by: DavidJR |
Hazardous concerns [rquote=550212&tid=101126&author=zed]But, that isn't the final word, and acetonitrile itself ... |
6-11-2018 at 16:00 by: DavidJR |
Recovering Silver from Silver Bromide Re light exposure: normal room lighting will be more than sufficient to create development centres o ... |
6-11-2018 at 15:24 by: DavidJR |
Recovering Silver from Silver Bromide I don't think it requires temperatures anywhere near that high. I've certainly done it with my el-ch ... |
6-11-2018 at 12:53 by: DavidJR |
Recovering Silver from Silver Bromide Can't you just heat it with a torch until it decomposes? |
6-11-2018 at 12:31 by: DavidJR |
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