Moldova standards PDF

Boric acid, boric oxide, disodium tetraborates and crude sodium borates for industrial use - Determination of total nickel content of boric acid, boric oxide and disodium tetraborates and the alkali-soluble nickel content of crude sodium borates - Furil alpha-dioxime photometric method - Erratum. Original standard ISO 5933-1980 errata 1981 in PDF full version. Additional info + preview on request

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Crude sodium borates for industrial use - Determination of alkali-soluble copper and manganese contents - Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods. Original standard ISO 5934-1980 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Crude sodium borates for industrial use - Determination of total and alkali-soluble silica contents - Molybdosilicate spectrometric method. Original standard ISO 5935-1984 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Crude sodium borates for industrial use - Determination of carbonate content - Gravimetric method. Original standard ISO 5936-1980 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Sodium perborates for industrial use - Determination of degree of attrition. Original standard ISO 5937-1980 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Cryolite, natural and artificial, and aluminium fluoride for industrial use - Determination of sulphur content - X-ray fluorescence spectrometric method. Original standard ISO 5938-1979 in PDF full version. Additional info + preview on request

Document status: Active