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How toxic are Beryllium compounds really ?
I will not begin to explain biological effects. I think it is the fault of governments that everyone ... |
9-9-2021 at 03:59
by: vano |
Beryllium compounds
Thank woelen! It's fact that It's cancinated at low temperature, below 500°C, if cancinated tempera ... |
9-9-2021 at 02:57
by: vano |
Beryllium compounds
Yes I have read a lot about beryllium and its compounds, I used to use metal to make its compounds, ... |
8-9-2021 at 22:37
by: vano |
Beryllium compounds
Hi, i bought lots of [url=http://www.sciencemadness.org/talk/files.php?pid=664833&aid=90152]BeO( ... |
8-9-2021 at 11:26
by: vano |
How to make alloxan from murexide?
Hi i found more than 50 years old [url=https://en.m.wikipedia.org/wiki/Murexide] murexide[/url], but ... |
7-9-2021 at 08:14
by: vano |
Latest chemical order?
[rquote=664934&tid=9890&author=woelen]I actually do have some thorium metal, but I never did ... |
6-9-2021 at 00:23
by: vano |
Latest chemical order?
[rquote=664931&tid=9890&author=Fery]Here in CZ I was able to buy thoriated tungsten welding ... |
6-9-2021 at 00:21
by: vano |
Latest chemical order?
[rquote=664927&tid=9890&author=woelen]A really nice one would be thorium violurate  [/rquot ... |
6-9-2021 at 00:15
by: vano |
Latest chemical order?
In ampoules there is oily liquid. I think this is historical sample and maybe i won't use them, also ... |
5-9-2021 at 22:24
by: vano |
Latest chemical order?
Very rare here, I have a few ampoules that are from a Soviet military base. I think it was for some ... |
3-9-2021 at 08:59
by: vano |
Latest chemical order?
I bought:
two jar of BeO (in hand)
MoO3 (biggest, with glass lid))
Ampoules of many chemicals
Pa ... |
3-9-2021 at 08:41
by: vano |
Help me identify this compound
Hi. I also have green compound and I don't know what it's. It has very dark green colour and it is i ... |
24-8-2021 at 21:36
by: vano |
Strange red molybdenum compound
[rquote=664295&tid=157809&author=Bezaleel]Vano, when you added your NaOH to our MoO3, was th ... |
20-8-2021 at 22:58
by: vano |
How hard it is to crack silicon?
I have never had an element of silicon, only its compounds. Today I saw a jar with "Unknown metal" w ... |
14-8-2021 at 05:25
by: vano |
How hard it is to crack silicon?
If anyone has a silicon crystal and you break it tell me how easy or difficult it is. |
14-8-2021 at 05:07
by: vano |
Phosphotungstic acid
I was given old things, this is one of them. Phosphotungstic acid was in this vial It had a very old ... |
12-8-2021 at 09:40
by: vano |
Strange red molybdenum compound
Hi. Days ago i made sodium molybdate from sodium hydroxide and molybdenum trioxide, I'm sure both re ... |
12-8-2021 at 09:28
by: vano |
Technical sodium molybdate
[rquote=663687&tid=157785&author=Bedlasky]Molybdenum can be also estimated gravimetrically a ... |
6-8-2021 at 20:36
by: vano |
Technical sodium molybdate
Unfortunately I don't have |
6-8-2021 at 10:42
by: vano |
Technical sodium molybdate
Hello. Does anyone know what impurities are in technical sodium molybdate dihydrate and what is perc ... |
6-8-2021 at 05:11
by: vano |
My selenium compounds
Also it can absorb UV light very very well. |
2-8-2021 at 07:08
by: vano |
My selenium compounds
[rquote=662577&tid=157211&author=vano]Divalent Mercury selenite and probably samarium seleni ... |
31-7-2021 at 02:37
by: vano |
Metal picolinates
It has very nice colour Lion850 |
24-7-2021 at 01:46
by: vano |
Formation of red Samarium (II) Chloride
It isn't possible for xylene. Look at the photo, in solution samarium iodide is connected with five ... |
16-7-2021 at 08:32
by: vano |
Silver in hydrogen peroxide
[rquote=662858&tid=157706&author=Bezaleel]
A brown colour may also show up with a "black" ... |
14-7-2021 at 07:35
by: vano |
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