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Aluminium oxide primarily used for the production of aluminium — Determination of zinc content — PAN photometric method [Withdrawn without replacement] by ISO/TC 226 Materials for the production of primary aluminium is a reference work available to read on EtoBox.
What is Aluminium oxide primarily used for the production of aluminium — Determination of zinc content — PAN photometric method [Withdrawn without replacement] about?
The 1-(2-pyridilazo)-2-naphthol method is applicable to products having zinc contents in the range between 0,002 % (m/m) and 0,12 % (m/m). Alkaline fusion of a test portion, and dissolution of the fused mass in nitric acid. Separation of the zinc in the form of its thiocyanate by extraction with 4-methylpentan-2-one. Re-extraction of the zinc with an aqueous hydrochloric acid solution. Formation of the PAN-zinc complex, at pH 7,5, in the presence of tartaric acid, sodium thiosulphate and 1-nitrose-2-naphthol-3,6-du
Who reads Aluminium oxide primarily used for the production of aluminium — Determination of zinc content — PAN photometric method [Withdrawn without replacement]?
It is typically read by working professionals who need an authoritative practice reference.
Common subject areas: medicine, law, business, engineering.
- Author
- ISO/TC 226 Materials for the production of primary aluminium
- Publisher
- ISO
- Published
- 1981
- Language
- EN
- Category
- reference
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