| Search |
| [Next Page] |
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 |
Covid vaccine results
It's used as a tracer in developing RNA vaccines; They put a segment encoding a luciferin in alongsi ... |
18-11-2020 at 14:41
by: paulll |
Do you know chemicals by their smell?
Nile Red recently posted a video about smelling cyanide, if you haven't seen it. |
7-11-2020 at 17:53
by: paulll |
Vacuum glass implosion?
Makes sense.
Piranha's the plan but it's going to take me a while to get to the big distillation ... |
7-11-2020 at 12:00
by: paulll |
Vacuum glass implosion?
"Are glass frit filters designed to handle ordinary vacuum pump pressure differential? Does size mat ... |
6-11-2020 at 22:19
by: paulll |
Happy half million posts to sciencemadness
" I think represents actually quite a significant contribution to Science."
That's a pretty big c ... |
3-11-2020 at 17:15
by: paulll |
Graphite electrodes from car brakes?
I'd be concerned about what kind of crud the metal in there would generate. You'll soon have lots of ... |
29-10-2020 at 08:59
by: paulll |
Detained at customs
Well this is interesting:
"Dear customer.We are very sorry to interrupt you.Order number:[redacted ... |
27-10-2020 at 00:11
by: paulll |
Knock out hazards 2.0
This would be on my mind if I was doing anything that might release Hydrogen Sulfide. |
13-10-2020 at 11:54
by: paulll |
How to get a glue from floor
Heat gun and paint scraper, switch to solvent (MEK would be my first try) and paint scraper once the ... |
9-10-2020 at 20:37
by: paulll |
Airport Chemical Screening
Word to the wise, if you're going to jokingly tell the missus about this thread while making such ob ... |
8-10-2020 at 16:24
by: paulll |
latest glassware purchase
[file]83578[/file]
Isn't she a beauty?
OK so it's nothing big, but the number of times I've decide ... |
5-10-2020 at 16:01
by: paulll |
Single component rocket fuels
Maybe a flash powder? I suspect it'd be straightforward to mix something up that would burn hot enou ... |
4-10-2020 at 11:53
by: paulll |
Science equipment looking for a home
Hi Dr. Bob,
Couple of things I am looking for:
Do you have any burettes? Preferably .05ml graduati ... |
2-10-2020 at 19:32
by: paulll |
| [Next Page] |
