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ISO 3856-4:1984

Paints and varnishes — Determination of "soluble" metal content — Part 4: Determination of cadmium content — Flame atomic absorption spectrometric method and polarographic method
1. 10. 1984.

Опште информације

90.93     6. 3. 2023.

ISO

ISO/TC 256

Međunarodni standard

87.040  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

The principle of the AAS method consists in inspiration of the test solution into an acetylen/air flame. Measurement of the absorption of the selected spectral line emitted by a cadmium hollow-cathode or cadmium discharge lamp, in the region of 228,8 nm. The principle of the polarographic method consists in electrolysis of the test solution in a polarographic cell measurement of the corresponding heigth of the potential step. The method are applicable to coating materials having "soluble" cadmium contents in the range of about 0,05 % (m/m) to 5 % (m/m). The AAS method should be used as the referee method in cases of dispute. This second edition cancels and replaces ISO 3856/4-1980.

Životni ciklus

PRETHODNO

POVUČEN
ISO 3856-4:1980

TRENUTNO

OBJAVLJEN
ISO 3856-4:1984
90.93 Odluka o potvrđivanju standarda
6. 3. 2023.