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The Short Questions Thread (4)
[rquote=659405&tid=25055&author=j_sum1]
(Shhh. I won't tell the students. It will ruin the ...
4-5-2021 at 17:13
by: paulll
What is this metal?
[rquote=659398&tid=157392&author=DraconicAcid]Zinc can be passivated and not react with acid ...
4-5-2021 at 16:49
by: paulll
What chemistry are you working on.
+1 for hydrazine sulphate
...after the sulphuric acid drain cleaner distillation that I'm working u ...
30-4-2021 at 17:16
by: paulll
Latest chemical order?
[img]https://emsol.ca/chems.jpg[/img]

Courtesy of B(a)P, the absolute legend. If anybody's lookin ...
30-4-2021 at 16:47
by: paulll
The Short Questions Thread (4)
[rquote=658840&tid=25055&author=njl]Nope, all my samples are odorless.[/rquote]

Good to k ...
27-4-2021 at 11:22
by: paulll
The Short Questions Thread (4)
Do bromide salts usually have a vinegar-esque whiff about them or should I be suspicious about this ...
25-4-2021 at 23:59
by: paulll
Has anyone smelled hydrazoic acid?How does it smell like?Is it worse than chlorine,ozone and nitrogen dioxide?
[rquote=658452&tid=156715&author=DraconicAcid]NO2 smells like bleach to me.[/rquote]

That ...
18-4-2021 at 09:18
by: paulll
Acquisition and use of non-lab molecular sieves for solvent drying
[quote]Have you considered a place like Delta Adsorbents?[/quote]
25USD for 1lb of 3A ... but 50USD ...
6-4-2021 at 09:30
by: paulll
Homemade Gas Burner - The poorman's Bunsen Burner
Nicely done!
31-3-2021 at 09:38
by: paulll
latest glassware purchase
[img]https://emsol.ca/mail.jpg[/img]
Been keeping the postman busy lately. Not pallets-of-stuff bus ...
22-2-2021 at 14:06
by: paulll
Mantle weak magnet issue fix?
How about eBay item# 265030302979?
10-2-2021 at 13:44
by: paulll
Swimming pool oxidiser question
"I guess dosing intervals may be quite short (relative to TCCA) so more effort would be required."
...
6-2-2021 at 03:30
by: paulll
Swimming pool oxidiser question
[rquote=654457&tid=156995&author=Fery]Reduce water contamination? H2O2 decomposes to H2O + O ...
6-2-2021 at 00:46
by: paulll
Swimming pool oxidiser question
I often wonder what criteria were used to choose peroxide over chlorine or vice versa for a given ap ...
5-2-2021 at 20:50
by: paulll
Stirrer timer bypassing?
I'd open it up and bridge the contacts on the timer with a bit of wire of the same gauge as what's a ...
4-2-2021 at 12:47
by: paulll
Latest chemical order?
[img]https://emsol.ca/dcmgaa.png[/img]

Extractions and esters coming up. (Thanks for the lead, SH ...
26-1-2021 at 14:14
by: paulll
Pretty Pictures (2)
Can't find a single tumbler in the place but luckily my hobby involves collecting glassware... Merry ...
25-12-2020 at 17:57
by: paulll
Campa-chem original as formaldehyde source?
I read this about an hour ago and now I have formaldehyde. Good find, thanks for that!
24-12-2020 at 13:42
by: paulll
Covid vaccine results
"The misconception that children don't die or that only people with risk factors die is clearly fals ...
13-12-2020 at 17:12
by: paulll
The insanity that is OHS
[rquote=651081&tid=156720&author=itsallgoodjames]I'm not familiar with pool stuff, but it's ...
11-12-2020 at 16:35
by: paulll
Bank card – gold plated
Supposedly the copper will diffuse into the gold and eventually render the plating useless if they'r ...
30-11-2020 at 14:21
by: paulll
DIY temperature probe for hotplate, help!
Yeah, that's what it is. Probably being used as a buffering amp for the thermocouple so, not helpful ...
24-11-2020 at 18:16
by: paulll
DIY temperature probe for hotplate, help!
Any chance you could take a look inside yours and see what the 8-pin chip in the top left and the bi ...
24-11-2020 at 12:25
by: paulll
Glass syringe needles?
"Luer-lock," refers specifically to the twist-on type.
23-11-2020 at 19:06
by: paulll
**FAILURE**Differential Solubility: Separate Sand and Sucrose
Couple of things you might do in that scenario. Keeping that temp under control is thing one. I'd pe ...
22-11-2020 at 12:02
by: paulll
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