Sodium dichromate (CAS RN 10588-01-9
Sodium dichromate (CAS RN 10588-01-9
Sodium dichromate (CAS RN 10588-01-9
Sodium dichromate can be converted into the anhydrous salt.
Chromates and dichromates; peroxochromates (excl. chromates of zinc or of lead and sodium dichromate
Technically, chromium oxide (Cr2O3, or chromic oxide), is made by reducing sodium dichromate either with charcoal or with sulphur.
Alternatively, sulphur dioxide reduction of a solution of sodium dichromate will yield basic chromic sulphurate.
For this purpose, however, sodium dichromate is sometimes used because of its higher solubility (5 g/100 ml vs. 20 g/100 ml respectively).
Alternatively, sulphur dioxide reduction of a solution of sodium dichromate will yield basic chromic sulphurate.
Technically, chromium oxide (Cr2O3, or chromic oxide), is made by reducing sodium dichromate either with charcoal or with sulphur.
The oxidizing agent may be potassium permanganate.
They are prepared by the addition of sodium or potassium dichromate to a solution of the appropriate salt.
In all cases, highly water-soluble forms of Cr(VI) were implicated (e.g., sodium/potassium dichromate).
The melt from the furnace is cooled and leached and the sodium chromate or dichromate is isolated by conventional processes from the solution.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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