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Spam slipping through (edited post)
Take a look at the registration dates of any spam that appears. It is all late 2018 or early 2019 at ...
6-8-2020 at 22:47
by: j_sum1
Group theory 3d symmetry operation sources?
Thoghts!Control, you should try Webmo.

https://www.webmo.net/demo/

Amongst its other beautiful ...
6-8-2020 at 05:04
by: j_sum1
Melgar's antispam script?
[rquote=642353&tid=155940&author=fusso]I'd rather have antispam script on but be able to reg ...
6-8-2020 at 04:58
by: j_sum1
Melgar's antispam script?
No. But not needed.
With the new registration policy spam is well under control. (And yes, I am a ...
6-8-2020 at 02:58
by: j_sum1
Latest chemical order?
About 220g of lithium rod from a fellow SM member who picked it up cheap. It is stored in a glass j ...
5-8-2020 at 14:08
by: j_sum1
Latest chemical order?
Gallium is surprisingly brittle in solid state. Smash it and bits go everywhere.
As a liquid it wet ...
1-8-2020 at 21:41
by: j_sum1
Everyday Chemistry (provisional)
[rquote=641711&tid=84298&author=HeYBrO]
Nice, did you dry with NaOH? [/rquote]
I could say ...
29-7-2020 at 02:33
by: j_sum1
Pretty Pictures (2)
Nice rack Arky.
28-7-2020 at 21:07
by: j_sum1
Pretty Pictures (2)
[rquote=641694&tid=26378&author=Pok]Pure hydrogen cyanide[/rquote]
Looks nice [i][b]inside ...
28-7-2020 at 17:48
by: j_sum1
Getting Adderal & issues
I don't think this is going anywhere good. (Even though I have read only about half of it.)
The OP ...
26-7-2020 at 20:01
by: j_sum1
Do I really need to dry every chemical for a grignard reaction, even if it's new in a bottle from a chemical supplier?
Chemplayer did a video experimenting with just how much water you can get away with in a Grignard. ( ...
25-7-2020 at 14:19
by: j_sum1
How reactive are gallium and indium in the reactivity series?
That table of yours is strange. I have never seen Au used as the reference point for comparing pote ...
23-7-2020 at 22:19
by: j_sum1
Pretty Pictures (2)
That's pretty cool, VS.
22-7-2020 at 23:37
by: j_sum1
Resonance between reagents?
This question comes across as a bit of a muddle.
On the issue of bonding, it is sometimes helpful ( ...
21-7-2020 at 18:53
by: j_sum1
How reactive are gallium and indium in the reactivity series?
[rquote=641194&tid=155840&author=ChemistryGhost]By reactivity I mean the property of a more ...
21-7-2020 at 16:26
by: j_sum1
How reactive are gallium and indium in the reactivity series?
To say francium actually exists in any kind of practical sense is a bit of a stretch. But it can be ...
21-7-2020 at 14:24
by: j_sum1
How reactive are gallium and indium in the reactivity series?
Hah! I did the classic newbie error. You raised the question about the "reactivity series" and I i ...
21-7-2020 at 05:07
by: j_sum1
How reactive are gallium and indium in the reactivity series?
https://en.wikipedia.org/wiki/Standard_electrode_potential_(data_page)

This has everything!
20-7-2020 at 18:59
by: j_sum1
Sublimation of sulfur - should I worry?
Not to worry.

The bigger issue is having it smolder or ignite in air producing SO2. This smells ...
16-7-2020 at 15:43
by: j_sum1
Do you think high school chemistry teachers often have students make Breaking Bad jokes?
Doubtful. I have never watched it and I am pretty sure none of my current students have either.
15-7-2020 at 16:51
by: j_sum1
The Wump Incident
[rquote=640683&tid=145122&author=Bedlasky]J_sum1: Your story sounds horrible. I am glad tha ...
14-7-2020 at 16:13
by: j_sum1
Calcium Chloride - aka Damp Rid
CaCl2 is deliquescent and not just hygroscopic. I don't think adsorb is the word that best describes ...
12-7-2020 at 14:16
by: j_sum1
Lab and insects
Well, chemplayer just has the insects join in the experiments. They seem to not enjoy pirahna soluti ...
12-7-2020 at 14:06
by: j_sum1
sodium or potassium dichromate.
No problems. :)
9-7-2020 at 23:23
by: j_sum1
sodium or potassium dichromate.
Yes. There are big differences. Sodium dichromate is more than an order of magnitude more soluble ...
9-7-2020 at 23:19
by: j_sum1
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