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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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