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Low solubility tin salts?
The typical way to reduce tin oxide to metallic tin is to heat it with carbon.

There may well be ...
9-4-2024 at 14:49
by: Lionel Spanner
Synthesis of fatty acids from expired soap
[rquote=691560&tid=160219&author=palico]@clearly_not_atara: ehm no, there were no preservati ...
13-3-2024 at 13:19
by: Lionel Spanner
Failed attempts at oxidation of alcohols with DMSO/P2O5
[rquote=691446&tid=160209&author=clearly_not_atara]
How did you even make salicyl alcohol? ...
9-3-2024 at 16:42
by: Lionel Spanner
Failed attempts at oxidation of alcohols with DMSO/P2O5
[rquote=691440&tid=160209&author=kmno4]I do not know why you use so sophisticated procedure ...
9-3-2024 at 06:19
by: Lionel Spanner
Failed attempts at oxidation of alcohols with DMSO/P2O5
[rquote=691430&tid=160209&author=bnull]Maybe the P[sub]2[/sub]O[sub]5[/sub] is the problem. ...
8-3-2024 at 20:19
by: Lionel Spanner
Failed attempts at oxidation of alcohols with DMSO/P2O5
[rquote=691427&tid=160209&author=clearly_not_atara]Have you tried any other substrates? It's ...
8-3-2024 at 14:27
by: Lionel Spanner
Failed attempts at oxidation of alcohols with DMSO/P2O5
Hello all.

On my journeys on the internet, I came across a relatively obscure 1987 paper by Taber ...
8-3-2024 at 13:31
by: Lionel Spanner
Metallic soaps
When I did work experience in the analytical lab of a firm that made car parts from sintered metal p ...
5-3-2024 at 14:36
by: Lionel Spanner
Bad days in the lab or with glassware?
I recently tried repeating a procedure I'd previously had success with six months ago - reduction of ...
21-2-2024 at 14:06
by: Lionel Spanner
preparation of LiBH4 and LiAlH4 solution in THF
The figure for solubility in diethyl ether I've seen quoted is 2.5 g per 100 mL (10 times less); in ...
13-2-2024 at 15:46
by: Lionel Spanner
Preparation of Hydrogen Cyanide
Excellent write-up: you're extremely brave for carrying out this work (much more so than I am), and ...
25-1-2024 at 09:21
by: Lionel Spanner
Reduction of Nitro > Amine: Sodium Aluminum Hydride (NaAlH4)/Lithium Borohydride (LiBH4)?
If you're reducing aromatic nitro compounds, using [url=http://www.orgsyn.org/demo.aspx?prep=cv3p006 ...
15-1-2024 at 16:12
by: Lionel Spanner
Can KBH4 substitute NaBH4 in ethanol/methanolic solutions for reduction of ketones to alcohol.
I should think it'd be a suitable substitute for sodium borohydride, provided that you account for t ...
13-1-2024 at 00:25
by: Lionel Spanner
Anthraquinone preparations
Looking forward to it - if it works well, this method could prove to be very practical.
12-1-2024 at 23:59
by: Lionel Spanner
Oxalyl Chloride Challenge
[rquote=689159&tid=82462&author=Niklas]Are there any sources where DMF where would be access ...
8-12-2023 at 18:14
by: Lionel Spanner
Synthesis of disperse red 9
To my mind, the best route would be to prepare 1-aminoanthraquinone, then carry out reductive aminat ...
12-10-2023 at 14:01
by: Lionel Spanner
Preparation of ionic nitrites
Below is a useful quantitative assay I've used in the past for testing the purity of nitrite.

1. ...
5-9-2023 at 07:57
by: Lionel Spanner
Preparation of ionic nitrites
[rquote=686868&tid=52&author=unionised][rquote=686590&tid=52&author=Parakeet]Here it ...
22-8-2023 at 06:11
by: Lionel Spanner
Preparation of ionic nitrites
[rquote=686590&tid=52&author=Parakeet]Here it is.
Haven't read everything yet, but the proc ...
12-8-2023 at 22:32
by: Lionel Spanner
Preparation of ionic nitrites
Here's what may be a very interesting and relevant paper, describing selective production of nitrite ...
11-8-2023 at 09:34
by: Lionel Spanner
Help with crystallising monopotassium glutamate
Are you in a position to try removing the water by vacuum distillation?
(This was what I meant in m ...
11-8-2023 at 09:26
by: Lionel Spanner
How to make the air in my lab less oxidizing??
Depending on the age and condition of the building and where your lab is located in it, it could als ...
10-8-2023 at 14:09
by: Lionel Spanner
Preparation of cyanogen bromide and a polymethine dye
Excellent work and write-up - great pictures too!
You're a lot braver than I am, I'd be loath to wo ...
7-8-2023 at 13:26
by: Lionel Spanner
Help with crystallising monopotassium glutamate
Can you remove the water under vacuum?
I find that helps a lot when removing water from highly solu ...
3-8-2023 at 03:15
by: Lionel Spanner
Preparation of ionic nitrites
Since reductive pathways to nitrite generally require high temperatures and produce poor purity prod ...
2-8-2023 at 14:54
by: Lionel Spanner
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