| Search |
| [Next Page] |
Latest chemical order?
1.8 kg of dextrose. Also Petri dishes, which I am pretty sure are polystyrene. I constructed a polys ... |
17-8-2018 at 20:18
by: JJay |
new toys
j_sum1 suggested this device for extruding sodium wire a while back, so I figured I'd pick one up. I ... |
17-8-2018 at 20:07
by: JJay |
Guess who just got raided boys
How do you think they would have responded if you'd required them to sign a non-disclosure agreement ... |
17-8-2018 at 19:58
by: JJay |
Help with chromate synth.
That seems consistent with what I've observed. |
17-8-2018 at 14:08
by: JJay |
new toys
rawr
[file]69986[/file]
Yes, my new ball mill was 300 munnies. Now to figure out some sort of ... |
17-8-2018 at 13:07
by: JJay |
Help with chromate synth.
I didn't read the paper, but according to the abstract, reduction of chromate is actually inhibited ... |
17-8-2018 at 12:53
by: JJay |
Help with chromate synth.
There's also this: https://pubs.acs.org/doi/abs/10.1021/ic0257975 |
17-8-2018 at 12:26
by: JJay |
Help with chromate synth.
Dichromate predominates at lower pH, but chromate and dichromate are always in equilibrium in aqueou ... |
17-8-2018 at 12:19
by: JJay |
Responsible Chemical Waste Disposal
Ammonia solutions can be put down the drain. |
16-8-2018 at 22:04
by: JJay |
Tetralin
Where is everyone getting tetralin these days? I think dwsurman was carrying it, but it looks like C ... |
16-8-2018 at 21:54
by: JJay |
Attempting anhydrous ethanol with CaO
I've wondered about using Portland cement, but I don't relish the idea of chipping concrete out of a ... |
16-8-2018 at 14:48
by: JJay |
Chemical & Metalworking Source
They have some cool stuff. That NaOH is expensive, but it appears to be extremely high quality. |
16-8-2018 at 14:02
by: JJay |
Attempting anhydrous ethanol with CaO
I've never tried this because around here CaO is apparently a rare commodity used only in labs, but ... |
16-8-2018 at 13:51
by: JJay |
"Forgot password" recovery email not being sent(gmail)
There's a sticky thread on what to do if you find yourself in that situation. |
16-8-2018 at 12:15
by: JJay |
Help with chromate synth.
If you use too much peroxide it will actually reduce the chromate, but I think it would produce chro ... |
16-8-2018 at 08:15
by: JJay |
Water listed as "Toxic Substance" under US Toxic Substances Control Act of 1976!
Ethanol and water kill more people than all other chemicals combined. :-| |
16-8-2018 at 08:05
by: JJay |
wiring PID controlled heating tape from 230V to 120V
I don't usually use the full cascade control model, but this will give you some idea of why you migh ... |
15-8-2018 at 16:26
by: JJay |
wiring PID controlled heating tape from 230V to 120V
Here's the problem: Your dimmer is only 500 watts. You may have a 500 watt heating tape, but it's ra ... |
15-8-2018 at 13:12
by: JJay |
Alkyl Phenyl Ketones Synthesis through Dry Distillation
I haven't tried it in quartz. Pyrolysis of calcium benzoate and calcium acetate under aspirator vacu ... |
15-8-2018 at 11:57
by: JJay |
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
[rquote=529355&tid=87941&author=VSEPR_VOID][rquote=529353&tid=87941&author=JJay]Nerv ... |
15-8-2018 at 03:03
by: JJay |
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
Nervous vibe? Let me put it to you this way: Most people don't even notice that they are being asked ... |
15-8-2018 at 01:04
by: JJay |
wiring PID controlled heating tape from 230V to 120V
I wired a standard outlet to my PID controller. I also have a dimmer wired with a power cord and a s ... |
15-8-2018 at 00:02
by: JJay |
Should information be freely available or restricted (mass hysteria)chemiphobia fear of the unknown
I'm a big believer in free speech. Some information is secret. Some is confidential. But restriction ... |
14-8-2018 at 20:52
by: JJay |
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
[rquote=529228&tid=87941&author=RogueRose][rquote=529218&tid=87941&author=JJay]I wou ... |
14-8-2018 at 20:16
by: JJay |
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
I would suggest avoiding DEA listed chemicals like toluene. |
14-8-2018 at 12:01
by: JJay |
| [Next Page] |
