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Oxalic acid can't cause old glowstick again make light
I added some oxalic acid and hydrogen peroxide into old glowstick liquid, but it didn't again make l ...
30-1-2022 at 07:03
by: TmNhRhMgBrSe
Tartrate
I used KOH and tartaric acid. I some years ago buyed them in a chemical supplies shop. potassium tar ...
13-1-2022 at 03:03
by: TmNhRhMgBrSe
Tartrate
I made some potassium tartrate. It is easy to make because it very soluble. The flask remained few d ...
21-12-2021 at 19:48
by: TmNhRhMgBrSe
monosodium glutamate
@Tsjerk iron(II) solid? I don't understand this. My FeSO4 7H2O is green small granule, diametre abou ...
25-11-2021 at 07:42
by: TmNhRhMgBrSe
monosodium glutamate
Because Lion850 didn't tryed Fe2+ so I tryed this. I used 5.5g MSG and 4.0g FeSO4 7H2O(2:1 mole rati ...
17-11-2021 at 23:44
by: TmNhRhMgBrSe
My zinc oxide not pure, have carbonate, can ZnO absorb CO2?
people gived 2 parts ZnO me, I tryed mix ZnO and sulphuric acid to make zinc sulphate, have bubles c ...
3-9-2021 at 05:56
by: TmNhRhMgBrSe
Nitrate, sulphate or chloride?
Many metal oxides, like iron, nickel, copper, zinc. I think acid can be any concentration. I want to ...
23-8-2021 at 07:51
by: TmNhRhMgBrSe
Nitrate, sulphate or chloride?
I want to use metal oxide and acid to make soluble metal salt, nitrate, sulphate and chloride which ...
22-8-2021 at 07:09
by: TmNhRhMgBrSe
How to identify methanol, ethanol, isopropanol at home?
Some black heart pharmacies sell methanol to lie consumers. How to identify methanol, ethanol, isopr ...
3-7-2020 at 23:05
by: TmNhRhMgBrSe
What phenomenon this is?
Not crystals. Bubbles are spheres. I dont think 5mm crystal can through filter lor.
29-6-2020 at 19:47
by: TmNhRhMgBrSe
What phenomenon this is?
I use paper towel to filter.
Solution density I understand. I only dont understand why have bubble ...
29-6-2020 at 02:09
by: TmNhRhMgBrSe
What phenomenon this is?
I dissolved KNO3 in room temperature water and filtered. The solution almost saturated. I filtered m ...
27-6-2020 at 02:13
by: TmNhRhMgBrSe
Buy chemicals and equipments online will customs confiscate?
I not in EU. We didnt ban laser here.
21-6-2020 at 23:56
by: TmNhRhMgBrSe
Buy chemicals and equipments online will customs confiscate?
If I buy chemicals and equipments online will customs confiscate? I afraid they will confiscate any ...
12-6-2020 at 18:39
by: TmNhRhMgBrSe
Fire services department found "dangerous" goods in hardware store
I was saying /s.
Sorry for 1999 and dont know english.
22-5-2020 at 21:50
by: TmNhRhMgBrSe
Fire services department found "dangerous" goods in hardware store
[rquote=636584&tid=155438&author=Deathunter88]In China for example, you could be put in jail ...
22-5-2020 at 07:29
by: TmNhRhMgBrSe
Fire services department found "dangerous" goods in hardware store
(sorry if shouldnt appear in here can del post)
(sorry I can't find english version)

https://top ...
21-5-2020 at 05:43
by: TmNhRhMgBrSe
Purify calcium nitrate
I don't know how to find HNO3 concentration so didn't measure how much.
I didn't add NaSCN. The NaS ...
14-5-2020 at 04:24
by: TmNhRhMgBrSe
Purify calcium nitrate
CaCO3 is from food's gas absorber.
I heat CaCO3 to remove any organic compound.
Add CaCO3 to HNO3, ...
14-5-2020 at 02:12
by: TmNhRhMgBrSe
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
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