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Free chemicals for SM members in Australia
Still plenty left.
Sharp eyes might notice some items in this latest list that appeal to them.
Wei ... |
26-5-2023 at 21:06
by: j_sum1 |
The Short Questions Thread (4)
It is still sitting there. I have not pulled a vacuum on it for a while. The solid material is a l ... |
25-5-2023 at 19:06
by: j_sum1 |
Free chemicals for SM members in Australia
Potassium chromate, lithium and litgium carbonate are claimed.
I will package up some of the le ... |
22-5-2023 at 21:26
by: j_sum1 |
Free chemicals for SM members in Australia
Next round…
Sodium nitrite -- nearly full 500g
Boric acid approx 1kg
Lead bromide full bottle ... |
21-5-2023 at 22:45
by: j_sum1 |
Free chemicals for SM members in Australia
Borohydride, tungstic acid and chromium trioxide are claimed.
More items coming... |
21-5-2023 at 12:40
by: j_sum1 |
Free chemicals for SM members in Australia
Here is the first round:
Sodium borohydride. the tin is less than half full. the other containe ... |
21-5-2023 at 03:46
by: j_sum1 |
Free chemicals for SM members in Australia
Hi all.
Yes you read that right. I have some stuff to give away for free.
Back story first.
... |
21-5-2023 at 03:40
by: j_sum1 |
Solubility Chart
I have regularly used the wikipedia page and often plotted solubility curves from it. Really nice to ... |
18-5-2023 at 14:23
by: j_sum1 |
What happened to rhodium and Hive
I recommend reading Sauron's Chemistry posts. He contributed an awful lot to this place. Do this b ... |
15-5-2023 at 17:30
by: j_sum1 |
What happened to rhodium and Hive
Lots of fat claims but no data.
No one will take you seriously without evidence, just at your say-s ... |
15-5-2023 at 13:40
by: j_sum1 |
What happened to rhodium and Hive
@EM
I don't know why you are digging up 15 year old posts to promote your own conspiracy theories.
... |
15-5-2023 at 05:41
by: j_sum1 |
reduction potential
Correct (apart from Bismuth) as CNA said. Because anything less than this will reduce water to H2 a ... |
9-5-2023 at 03:04
by: j_sum1 |
Help identifying these metal ions
This recently-posted yt clip seems relevant. It looks like a lot of what you have observed is happen ... |
7-5-2023 at 15:56
by: j_sum1 |
Help identifying these metal ions
Ti forms an amber complex with peroxide.
I think your detective work is good here. But it seems t ... |
4-5-2023 at 03:16
by: j_sum1 |
Testing for CaF2 minerals
Not sure about edta. I have not used it for this purpose (although my yt feed has recently been floo ... |
3-5-2023 at 00:55
by: j_sum1 |
Testing for CaF2 minerals
Repeat using HNO3 so that you don't lose the Ca at that step.
Ca(OH)2 has slight solubility: higher ... |
2-5-2023 at 19:12
by: j_sum1 |
Testing for CaF2 minerals
First test: sulfate precipitate.
Second test: carbonate precipitate. I would bubble CO2 through alk ... |
2-5-2023 at 11:45
by: j_sum1 |
Testing for CaF2 minerals
Right again.
I guess that brings up to minerology tests like measuring refractive index and analysi ... |
2-5-2023 at 03:42
by: j_sum1 |
Testing for CaF2 minerals
Fair point, chornedsnorkack.
But, realitically, once you have established the presence of fluoride, ... |
2-5-2023 at 00:47
by: j_sum1 |
Help identifying these metal ions
[rquote=683662&tid=159534&author=DraconicAcid]Dilute chromium(III) is pretty close to colour ... |
2-5-2023 at 00:43
by: j_sum1 |
Help identifying these metal ions
[rquote=683660&tid=159534&author=clearly_not_atara]Mo (V) is blue, and Mo (VI) can be colorl ... |
1-5-2023 at 20:45
by: j_sum1 |
Help identifying these metal ions
Looks like Cr plus something oxidising in the mix. |
1-5-2023 at 17:02
by: j_sum1 |
Melgar has died
I do not have permission to pass on what little information I have. And I am not going to seek that ... |
1-5-2023 at 03:28
by: j_sum1 |
Purpose of thermite
Chlorine is an oxidiser not a reducer.
Not all redox reactions can take place in aqueous solution.
... |
1-5-2023 at 01:59
by: j_sum1 |
Purpose of thermite
Purpose of thermite.
[*] Welding railroad tracks
[*] Reducing exotic elements and/or low-tech cr ... |
30-4-2023 at 20:20
by: j_sum1 |
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