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Unknown mineral
I'm not entirely sure but It looks like red tourmaline. |
19-12-2016 at 06:17
by: Chlorine |
Activating/regenerating 3A molecular sieves.
[rquote=468769&tid=71197&author=Db33]ive noticed thatthe white sieves are always better than ... |
11-12-2016 at 10:09
by: Chlorine |
Latest chemical order?
Two separate 25' magnesium ribbons, Potassium nitrate, sodium metabisulfate and some scrap aluminium ... |
10-12-2016 at 16:37
by: Chlorine |
Unknown metal identification
What you're describing sounds a lot like pewter. That would explain why a class crucible was used. A ... |
10-12-2016 at 14:02
by: Chlorine |
Handy tips thread??
A bit of an addition to Aga's comment, but i always save broken glassware and use the shards for boi ... |
10-12-2016 at 11:00
by: Chlorine |
Activating/regenerating 3A molecular sieves.
There are normally instructions on the bottle/bag about what tempature to heat them. |
9-12-2016 at 09:02
by: Chlorine |
Concentrating HF solution
I'd highly suggest you stay away from HF, extremely scary stuff. This makes nitric/sulfuric/hydrochl ... |
8-12-2016 at 05:55
by: Chlorine |
dioxane gunk removal
I personally use store bought copper coated steel BB's. Swirl them around the flask with 10=15 mls o ... |
6-12-2016 at 09:50
by: Chlorine |
is there a place to get a high heat thermometer?
They sell high heat thermocouples, roughly 800c in max temp. |
2-12-2016 at 10:12
by: Chlorine |
heating round bottom on hotplate
You can perform a hot air bath by encompassing the flask in a cone of aluminium foil about 3 cm abov ... |
2-12-2016 at 10:09
by: Chlorine |
Powdered 3A sieves?
The powder has higher dispensability so it absorbs quicker. The only real difference is that the pow ... |
2-12-2016 at 06:50
by: Chlorine |
Platinum Catalyst Mount
Attach the Platinum wire to a lab stand and position it so it hangs in the middle of the beaker/flas ... |
2-12-2016 at 06:45
by: Chlorine |
4-piperidone drying?
If you do need to remove most of the present water, I'd suggest a simple desiccator bag filled with ... |
1-12-2016 at 06:51
by: Chlorine |
Isolation of Iodine From SeaWeed
[rquote=397178&tid=61804&author=Magpie]No, fortunately I still have some left from the days, ... |
30-11-2016 at 10:01
by: Chlorine |
checkmark symbol
A check mark, checkmark or tick is a mark (✓, ✔, etc.) used (primarily in the English speaking w ... |
30-11-2016 at 06:40
by: Chlorine |
Opinion on lab table
[rquote=467836&tid=71046&author=CharlieA]I use a lab rack screwed to a sheet of MDF which I ... |
29-11-2016 at 19:05
by: Chlorine |
polypropylene caps for conc. H2SO4/HNO3
Polypropylene won't hold up against nitric acid or sulfuric acid. I'd suggest looking for an amber g ... |
29-11-2016 at 18:55
by: Chlorine |
Opinion on lab table
I've finally broken down and bought the materials to make another lab table, in the past I've used s ... |
29-11-2016 at 18:07
by: Chlorine |
storing Propionyl Chloride
Amber glass bottle with teflon tape in the threads. If you're taking a cautious route, put it in a d ... |
29-11-2016 at 11:29
by: Chlorine |
Solvent drying - molecular sieves
[rquote=467680&tid=71023&author=Cryolite.]@Bert: As far as I know, those reactions are prett ... |
28-11-2016 at 09:56
by: Chlorine |
Solvent drying - molecular sieves
If you're using molecular sieves, make sure your solvent is relatively dry, upwards of 95%. |
28-11-2016 at 06:47
by: Chlorine |
A less-than mediocre attempt at Lead Dioxide!
If you go to an auto repair shop and ask politely, they may give you some free scrap lead. If there ... |
27-11-2016 at 16:07
by: Chlorine |
Chemophobia
People will always fear what they don't understand.
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27-11-2016 at 07:11
by: Chlorine |
Fluoroantimonic + Hydrogen Peroxide Reaction?
That clearly isn't fluoroantimonic acid, he was storing it in a simple plastic bottle.
Also the sul ... |
27-11-2016 at 07:07
by: Chlorine |
Lead refining failures
The easiest way to process the range scrap is via melting, most back yard foundaries will be able to ... |
26-11-2016 at 16:44
by: Chlorine |
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