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Preparation of platinized silica gel beads Generally silica wool refers to fused quartz which is a silicon dioxide glass. Silica gel is an a ...	23-6-2021 at 10:35 by: wg48temp9
High speed chips from chiseling The usual advice for the care of cold chisels is to grind off the mushroomed head to avoid the dange ...	21-6-2021 at 10:20 by: wg48temp9
TLC results interpretation Here is a better pic of the TLC plate, the right size and the luminosity has been stretched to incre ...	12-5-2021 at 02:59 by: wg48temp9
Making silicon tetrachloride Perhaps the silicon tetrachloride could be made from alkoxysilanes which can be made by dissolving s ...	9-5-2021 at 04:34 by: wg48temp9
Chromium(III) sulphate available on ebay UK woelen: yes that that is the item. My statement about what it probably was should have been "my b ...	28-4-2021 at 01:12 by: wg48temp9
Chromium(III) sulphate available on ebay UK for a good price £7.19 500g including delivery Item: 152381325518 Its a green solid soluble in ...	27-4-2021 at 11:09 by: wg48temp9
Distinguishing between coatings and surface treatments It looks like a casting. The grey coloured surface looks like an as cast surface meaning no treatmen ...	19-4-2021 at 03:28 by: wg48temp9
Carbon Disulfide from sulfur and charcoal [rquote=657907&tid=10564&author=metalresearcher]I tried it this morning by putting S + C pow ...	11-4-2021 at 11:32 by: wg48temp9
Making a highly effective aspirator recirculation pump [rquote=657822&tid=157271&author=monolithic]Most aspirators need 6-8 liters/minute flow rate ...	9-4-2021 at 22:20 by: wg48temp9
Making a highly effective aspirator recirculation pump I have repaired and/or dismantled several high pressure washers. They all had inductions motors in t ...	9-4-2021 at 10:34 by: wg48temp9
perfluoro sulphonic acid synthesis? Apparently 1,3,3,3-Tetrafluoropropene is available as a freeze spray in the UK and probably in other ...	20-3-2021 at 21:51 by: wg48temp9
Fumaric acid synthesis question minerals-water.ltd a UK supplier sells it on ebay uk and in their internet shop. £20 for 250g free ...	6-3-2021 at 04:40 by: wg48temp9
What is the difference between flash chromatography and dry chromatography? I have looked up what the difference between dry vacuum chromatography and flash chromatography is. ...	6-3-2021 at 04:19 by: wg48temp9
PABA > Aniline Below is a link to the first page of a 1963 article describing the decarboxylation of molten PABA an ...	4-3-2021 at 10:58 by: wg48temp9
What is a realistic output for an ozone generator? Below are some ozone generation efficiencies in g/kWh input power. "At present, the typical comme ...	3-3-2021 at 09:00 by: wg48temp9
Joining metal vessels to ground glass? [rquote=655415&tid=157075&author=unionised]There's the beautiful, but fiddly Housekeeper sea ...	23-2-2021 at 16:51 by: wg48temp9
Joining metal vessels to ground glass? To avoid differential expansion and contraction problem a flat flanged joint or a ball and socket jo ...	23-2-2021 at 01:34 by: wg48temp9
The Short Questions Thread (4) Just in case someone gets the wrong idea, there is none of the usual click bate or storm of ads or ...	23-2-2021 at 01:02 by: wg48temp9
fluoresceine 113g for only £6.30 Below are some images of the self quenching effect of the fluorescence at high concentration of flu ...	10-2-2021 at 09:38 by: wg48temp9
fluoresceine 113g for only £6.30 I checked the safety note before I purchased it, that suggests its not cut with anything. After ...	9-2-2021 at 03:15 by: wg48temp9
fluoresceine 113g for only £6.30 Water tracing dye available from TOOLSTATION. Probably the sodium salt.	28-1-2021 at 09:45 by: wg48temp9
magnesium aluminate refractory up to 1800C. So I decided to try a small pile of my 400 mesh silicon carbide between two wires connected to abo ...	28-1-2021 at 05:14 by: wg48temp9
magnesium aluminate refractory up to 1800C. [rquote=653248&tid=156911&author=rockyit98][rquote=653245&tid=156911&author=wg48temp ...	22-1-2021 at 05:16 by: wg48temp9
magnesium aluminate refractory up to 1800C. If you are going to coat the refractory with a microwave absorber to form the heating element, what ...	16-1-2021 at 09:36 by: wg48temp9
Ti substrate ThO2 anode for perchlorate cell. Good idea? Judging by the white colour of ThO2 in a bright light even at a red heat it has low conductivity. It ...	16-1-2021 at 09:24 by: wg48temp9
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