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Oil lock up of rotary vane vacuum pumps
[rquote=663153&tid=156334&author=Bezaleel][rquote=648993&tid=156334&author=wg48temp9 ...
24-7-2021 at 01:07
by: wg48temp9
Flux for soft soldering stainless steel
[rquote=662730&tid=157691&author=Fulmen][rquote=662688&tid=157691&author=wg48temp9]I ...
12-7-2021 at 12:14
by: wg48temp9
Flux for soft soldering stainless steel
[rquote=662686&tid=157691&author=draculic acid69]Strength of bond is probably not going to b ...
11-7-2021 at 01:36
by: wg48temp9
Flux for soft soldering stainless steel
[rquote=662684&tid=157691&author=zed]Ummm. Anodize the stainless in a copper sulfate soluti ...
11-7-2021 at 01:09
by: wg48temp9
Flux for soft soldering stainless steel
From patent US3660127A a few examples of flux for soldering stainless steel, most examples use OTC ...
10-7-2021 at 07:43
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
[rquote=662648&tid=156334&author=BromicAcid]At one time I worked in a group making primarily ...
10-7-2021 at 05:02
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
Below is a snip of a Harbor Freight two stage vacuum pump. Like my two stage Javac vacuum pump it h ...
10-7-2021 at 00:07
by: wg48temp9
Oil lock up of rotary vane vacuum pumps
I recently bid low on five untested vacuum pumps hoping I might get one of them cheap. Wow I won all ...
8-7-2021 at 06:29
by: wg48temp9
Use Silicone Tubing for High Heat Liquid Transfer?
I have dismantled two counter top hot drinks machines. The piping on both looked like silicon rubber ...
30-6-2021 at 02:21
by: wg48temp9
Preparation of NaH from sodium metal.
[rquote=662263&tid=157640&author=draculic acid69][rquote=662115&tid=157640&author=Mo ...
28-6-2021 at 12:44
by: wg48temp9
High speed chips from chiseling
Below is a pic of the steel chip on the mm scale of a ruler. There is a magnet holding the ruler an ...
23-6-2021 at 14:51
by: wg48temp9
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
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