| Search |
| [Next Page] |
Silver in hydrogen peroxide
I didn't have chloride anion in solution. But i think brown colour for oxide os possible and its dep ... |
14-7-2021 at 07:24
by: vano |
Silver in hydrogen peroxide
[rquote=662849&tid=157706&author=Triflic Acid]Silver oxide is grey, not brown. Might be copp ... |
14-7-2021 at 06:54
by: vano |
Silver in hydrogen peroxide
What do you think what is this white compound ?
It explosion sound was like hydrogen explosion, ... |
14-7-2021 at 06:17
by: vano |
Silver in hydrogen peroxide
Solution was clear. Also i dont know why it exploded. I know silver is catalyst in high concentrated ... |
13-7-2021 at 10:50
by: vano |
Silver in hydrogen peroxide
Hi, i made silver mirror reaction, then washed beaker and added concentrated H2O2, then silver disso ... |
13-7-2021 at 02:38
by: vano |
How to separate Bismuth from lead and tin?
[rquote=662756&tid=157425&author=Bezaleel]I completely missed the step of filtering off the ... |
12-7-2021 at 08:59
by: vano |
My selenium compounds
This is the final product
[file]89380[/file] |
11-7-2021 at 05:53
by: vano |
My selenium compounds
I made this crystal from mercury selenite, I melted it. I noticed that the mercury was produced, a ... |
10-7-2021 at 11:51
by: vano |
How to separate Bismuth from lead and tin?
I washed the bismuth hydroxide well. Of course there would be small amount. When I dissolved the met ... |
10-7-2021 at 10:50
by: vano |
My selenium compounds
Yes it has yellowish colour, i have too salts which you mentioned and i agree with you all of them a ... |
8-7-2021 at 05:25
by: vano |
Violuric acid salts (fantastic colors and variety)
It would be interesting to make oxime from thiobarbituric acid a violuric acid analogue. I wonder ... |
7-7-2021 at 21:49
by: vano |
How to separate Bismuth from lead and tin?
When i had acidic solution of lead and bismuth, i precipitated they with hydroxide. Next i filtered ... |
7-7-2021 at 12:00
by: vano |
My selenium compounds
Divalent Mercury selenite and probably samarium selenite. I used samarium chloride and sodium selena ... |
7-7-2021 at 11:48
by: vano |
Violuric acid salts (fantastic colors and variety)
I love this project too. Yes it's really scandium salt. I don't have much scandium because it has hi ... |
7-7-2021 at 11:15
by: vano |
Mystery Glassware Identification Thread
What is this?
[file]89245[/file] |
3-7-2021 at 23:46
by: vano |
Can anyone exchange tellurium for selenium?
I don't know how much it is, it's old photo. This is selenium granules. Look at first photo in infob ... |
1-7-2021 at 10:40
by: vano |
Can anyone exchange tellurium for selenium?
Hi if you can we can talk on U2U. I can replace selenium with many other useful compounds.
[fil ... |
1-7-2021 at 10:14
by: vano |
Why samarium has red colour in selenous acid?
[rquote=661513&tid=157312&author=ChemTalk]Interesting thread. Yesterday we made some samariu ... |
23-6-2021 at 02:14
by: vano |
What is this metal?
Black powder is magnetic powder for fingerprint. |
17-5-2021 at 21:15
by: vano |
How to separate Bismuth from lead and tin?
Thanks Bedlasky, i forgot to say that. When i dissolved alloy in nitric acid, Solution wasn't clear, ... |
12-5-2021 at 12:15
by: vano |
How to separate Bismuth from lead and tin?
Thanks, interesting method. That is problem for me, because I don't have much antimony source, but i ... |
12-5-2021 at 11:15
by: vano |
How to separate Bismuth from lead and tin?
Okay, i made it. I dissolved alloy in conc. Nitric acid, i used excess metal, then i added water and ... |
12-5-2021 at 10:36
by: vano |
How to separate Bismuth from lead and tin?
Hi. i have rose's metal and does it possible to separate Bismuth from them?
http://www.sciencemad ... |
12-5-2021 at 04:19
by: vano |
What is this?
[rquote=659714&tid=157415&author=pneumatician]pre-used vials closed and cut by fire?
[/rq ... |
10-5-2021 at 07:32
by: vano |
What is this?
I received these glasses as a gift, but I have no idea what they are
[file]88525[/file] |
10-5-2021 at 02:24
by: vano |
| [Next Page] |
