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Purify calcium nitrate
I make calcium nitrate but solution is yellow. How to remove yellow colour? |
13-5-2020 at 23:36
by: TmNhRhMgBrSe |
Which brand is best? [glassware]
What about I said that 3 brands? |
11-5-2020 at 02:54
by: TmNhRhMgBrSe |
Which brand is best? [glassware]
Someone give Bomex, Kimax Kimble USA, Boeco Germany brand glassware me. Which is best?
[edit by ... |
11-5-2020 at 01:00
by: TmNhRhMgBrSe |
My parents dont let me buy platinum
But I don't have credit card wor. |
10-5-2020 at 04:24
by: TmNhRhMgBrSe |
My parents dont let me buy platinum
Also I not yet become adult. |
10-5-2020 at 01:30
by: TmNhRhMgBrSe |
My parents dont let me buy platinum
I only want few grams platinum for element collection, I don't want to use to do experiments. Is cat ... |
10-5-2020 at 01:25
by: TmNhRhMgBrSe |
My parents dont let me buy platinum
I told my parents I want to buy platinum because I want them help me buy some. They said no. They sa ... |
6-5-2020 at 00:19
by: TmNhRhMgBrSe |
Orange manganese thiocyanate?
How to remove iron in MnCO3 before make manganese nitrate? |
16-4-2020 at 01:52
by: TmNhRhMgBrSe |
Political message in signature?
clearlynotatara: free ** is wrong sentence, should be liberate **, because free also means no need t ... |
15-4-2020 at 06:45
by: TmNhRhMgBrSe |
Orange manganese thiocyanate?
I want to remove iron in MnCO3 before make manganese nitrate.
[Edited on 20年04月15日 by CELamCh ... |
15-4-2020 at 05:06
by: TmNhRhMgBrSe |
Orange manganese thiocyanate?
I mix MnO2, oxalic acid and sulphuric acid to make MnSO4 solution. Solution is orange yellow. I use ... |
14-4-2020 at 10:01
by: TmNhRhMgBrSe |
Orange manganese thiocyanate?
I dissolve MnCO3 in ethanoic acid and then add sodium thiocyanate. Solution become orange. Is mangan ... |
14-4-2020 at 05:57
by: TmNhRhMgBrSe |
DIY alcohol sanitiser
Found this
https://www.youtube.com/watch?v=EZNraaXXOZk |
9-4-2020 at 04:24
by: TmNhRhMgBrSe |
Why have different colour lids?
The white colour not correction fluid white, is plastic original white. |
8-4-2020 at 01:06
by: TmNhRhMgBrSe |
Why have different colour lids?
If no difference then why not only use white? |
7-4-2020 at 04:45
by: TmNhRhMgBrSe |
Why have different colour lids?
My chemicals bottles have different colours lids, like black white red yellow blue. They have differ ... |
6-4-2020 at 22:33
by: TmNhRhMgBrSe |
$10000 can buy what chemicals?
Correction: not every citizen, only 18 year old above citizens |
29-3-2020 at 02:31
by: TmNhRhMgBrSe |
Less than 1 troy ounce platinum
How to pay? |
26-3-2020 at 03:06
by: TmNhRhMgBrSe |
Less than 1 troy ounce platinum
Can you post clearer photos? The bars have words on top?
[Edited on 20年03月26日 by CELamCheng ... |
26-3-2020 at 02:56
by: TmNhRhMgBrSe |
Latest chemical order?
Silver. |
25-3-2020 at 22:56
by: TmNhRhMgBrSe |
$10000 can buy what chemicals?
Gov said will give every citizen $10000 (US$1282) wor, if it said real, I can use to buy what chemic ... |
25-3-2020 at 17:28
by: TmNhRhMgBrSe |
Less than 1 troy ounce platinum
I want about 5g, is draculic sell cheapest? If not where? |
25-3-2020 at 17:17
by: TmNhRhMgBrSe |
Less than 1 troy ounce platinum
I want grams not grains. |
24-3-2020 at 06:33
by: TmNhRhMgBrSe |
Less than 1 troy ounce platinum
1 grain is how many gram? I want few grams.
[Edited on 20年03月24日 by CELamCheng] |
23-3-2020 at 23:08
by: TmNhRhMgBrSe |
Political message in signature?
Political message in signature not allowed? I never hear this rule. |
22-3-2020 at 22:13
by: TmNhRhMgBrSe |
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