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Safe preparation of lead oxides
Today I've made a bit of PbO and PbO2.

1) Pb(NO3)2 + 2HCl = PbCl2 + 2HNO3

PbCl2 is almost inso ...
25-10-2019 at 14:29
by: teodor
The Short Questions Thread (4)
[rquote=624885&tid=25055&author=artemov][b]Question[/b]

Is lye (for soap making) NaOH or ...
24-10-2019 at 04:17
by: teodor
Safe preparation of lead oxides
The book is in the SM library. http://library.sciencemadness.org/library/books/brauer_ocr.pdf

Pag ...
23-10-2019 at 13:05
by: teodor
Safe preparation of lead oxides
I totally agree with you about the importance of making people aware of the danger, the difference i ...
23-10-2019 at 07:44
by: teodor
Safe preparation of lead oxides
Did you try to follow Brauer procedure for PbO2 from PbAc2 , KOH and Ca(OCl)2, Arcaeca?
23-10-2019 at 02:32
by: teodor
making bromine water
The solid ones look harmless, especially PCl5. Is it really so nasty? :)

SnCl4 is something I ...
22-10-2019 at 10:34
by: teodor
Safe preparation of lead oxides
Did somebody try to prepare Pb3O4 by the wet method as described in Brauer - K2Pb(OH)4 + K2Pb(OH)6 ? ...
22-10-2019 at 05:00
by: teodor
The lead salts preparation thread!
I prepared several lead salts using a lead-acid battery as a source of lead. May be these notes coul ...
20-10-2019 at 11:01
by: teodor
Latest chemical order?
The book and the chemicals arrived the same day.
13-10-2019 at 05:30
by: teodor
Storage containers
I often use this type of containers. Costs 50-70 eurocents each. In the Netherlands you can buy them ...
13-10-2019 at 05:27
by: teodor
Sodium Hexahydroxostannate (IV)
So, I prepared bromine water and did oxidation of Tin(II) to Tin(IV) until slightly yellow color of ...
12-10-2019 at 09:47
by: teodor
making bromine water
I am also waiting for your photos, woelen.

Some additional experience with bromine water:

1. T ...
10-10-2019 at 02:45
by: teodor
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
Sometimes smells of some chlorinated compounds is very close to that of HCN for me, also it is not p ...
8-10-2019 at 03:39
by: teodor
Iron (III) oxide is not soluable in acids?
I agree, this is a different kind of reactions. But you mentioned boiling in concentrated H2SO4. Wel ...
8-10-2019 at 01:16
by: teodor
Iron (III) oxide is not soluable in acids?
Calcined SnO2 is not so inert, it easily reacts with molted sulfur if Na2CO3 is present giving water ...
7-10-2019 at 08:00
by: teodor
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
Well, I also used ferricyanide in photo processing. I was inventing some chemical process for black ...
7-10-2019 at 03:37
by: teodor
making bromine water
Thank you.
I checked in Vogel "Qualitative inorganic analysis" the method of Bromine water prepara ...
6-10-2019 at 09:17
by: teodor
making bromine water
I'd like to share my experience with preparation of bromine water. Sure, it can be done by many diff ...
5-10-2019 at 09:41
by: teodor
Oxidation of ammonia by KMnO4?
In the original question (before it was edited) Samusan asked about oxidation to some oxide of nitro ...
2-10-2019 at 13:39
by: teodor
Oxidation of ammonia by KMnO4?
Hi. The question is too broad. If you want to make HNO3 search for the methods which will work.
2-10-2019 at 11:31
by: teodor
Sodium Hexahydroxostannate (IV)
For preparing the bromine water I plan to react hydrobromic acid with chlorine. HBr/HCl contaminatio ...
1-10-2019 at 22:49
by: teodor
Sodium Hexahydroxostannate (IV)
I want to prepare Na2[Sn(OH)6]. I want to compare its properties (chemical properties, crystals shap ...
30-9-2019 at 23:18
by: teodor
Sodium pyroantimonate preparation
Some update to the procedure. It is better to seal K[Sb(OH)6] just after filtering - in any case it ...
30-9-2019 at 12:17
by: teodor
Latest chemical order?
Thank you woelen. So, I plan to use this bottle (from Action). Hope it is well sealed for the purpos ...
30-9-2019 at 11:58
by: teodor
Path to tin(IV) sulfide?
Arcaeca, I am not expert in tin chemistry (neither in other parts), just doing experiments with tin ...
30-9-2019 at 02:30
by: teodor
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