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Fuck my gov and the popos, for making white terror
Some poor guy licensed gangsters/triads (aka popos) were making white terror in my country. They arr ...
19-8-2019 at 10:26
by: CELamCheng
Calcium and chromate
I added a few drops of acid into the chromate so it should have a few % dichromate before adding exc ...
3-8-2019 at 07:38
by: CELamCheng
Calcium and chromate
[rquote=619494&tid=152728&author=walruslover69]If you don't have an understanding of basic s ...
2-8-2019 at 08:44
by: CELamCheng
Calcium and chromate
I put some calcium nitrate into slightly acidified k2cro4 to make cacro4. some precipitate formed bu ...
2-8-2019 at 08:39
by: CELamCheng
e waste precious metal refining
Sodium metabisulphite.
Go youtube, search sreetips, watch his vids. He has a bunch of gold refining ...
2-8-2019 at 08:36
by: CELamCheng
Calcium and chromate
I put calcium carbonate into k2cr2o7 to make cacro4. caco3 don't dissolve. I put na2co3 into k2cr2o7 ...
2-8-2019 at 06:13
by: CELamCheng
Sponge for chemistry?
I have some sponge from unwanted furniture, can I do chemistry with it? can I use it as heat insulat ...
30-7-2019 at 02:02
by: CELamCheng
HELP SAVE HENTAI!!!
Exhentai closed. Because [color=Red][size=6]FUCKING EU LAWS!!![/size][/color]

https://www.reddit. ...
26-7-2019 at 01:41
by: CELamCheng
Why is my chromate orange? Isn't it yellow?
I added more sodium hydroxide to the solution. It changed to yellow. So I think the problem solved.
25-7-2019 at 10:44
by: CELamCheng
Storing solid chemicals in plastic, wood, paper or metal box?
Some of my chemicals absorb water but some don't. Some emit smell/volatile but some don't. Some reac ...
25-7-2019 at 06:38
by: CELamCheng
Why is my zinc powder not powder???
I tried used a pliers to press the chunks. They break. Why? Shouldn't they become thinner pieces?
24-7-2019 at 08:14
by: CELamCheng
Why is my zinc powder not powder???
Pumukli, but why there are chunks? Why don't the manufacturer powderise all chunks before selling?
...
24-7-2019 at 08:03
by: CELamCheng
Why is my zinc powder not powder???
But what's the relationship between powder and oxidation, XeonTheMGPony?
24-7-2019 at 03:51
by: CELamCheng
Why is my zinc powder not powder???
I tried pressing with spatula to break them but they're reallu hard, not because stick by water. I a ...
24-7-2019 at 03:32
by: CELamCheng
Why is my zinc powder not powder???
I bought zinc powder, but most arent powder, they'er large pieces. Why???
24-7-2019 at 03:07
by: CELamCheng
Is sulphite strong enough to reduce Cr(VI) to Cr(II)?
Then why it's blue?
22-7-2019 at 01:47
by: CELamCheng
Is sulphite strong enough to reduce Cr(VI) to Cr(II)?
I mixed some chromate, acetic acid and sulphite. The solution turned blue. So is the chromium +2?
21-7-2019 at 10:15
by: CELamCheng
Why is my chromate orange? Isn't it yellow?
I mixed sodium hydroxide and potassium dichromate. The solution is very alkaline. Why it still a lit ...
19-7-2019 at 09:42
by: CELamCheng
Removing oil residues: ethanol vs. isopropanol
Why not just use soap?
16-7-2019 at 08:08
by: CELamCheng
Will metals and chemicals in tissue paper contaminate my experiments?
How much metals and chemicals in tissue paper? If I use tissue paper to filter solutions will they c ...
11-7-2019 at 04:18
by: CELamCheng
What price should 1lb KNO3 be? Is $10 too expensive?
It's unbranded, and purity unknown, but I think it should be ok pure:(
10-7-2019 at 04:05
by: CELamCheng
What price should 1lb KNO3 be? Is $10 too expensive?
What price should 1lb KNO3 be? Is $10 too expensive?
10-7-2019 at 02:29
by: CELamCheng
How to store chemicals in a wet and hot wether?
I got some sodium thiocyanate in a plastic container, but it already absorbed a lot of water and mos ...
8-7-2019 at 00:26
by: CELamCheng
Suspicious parcels were found to contain ruthenium
It was 4 years ago.
https://hk.on.cc/hk/bkn/cnt/news/20150306/bkn-20150306115324146-0306_00822_001. ...
4-7-2019 at 19:41
by: CELamCheng
Suspicious parcels were found to contain ruthenium
2 suspicious parcels were put near properties of 2 famous local businessmen and safely detonated by ...
4-7-2019 at 19:37
by: CELamCheng

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