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ISO 3856-4:1984-ed.2.0
Paints and varnishes — Determination of "soluble" metal content — Part 4: Determination of cadmium content — Flame atomic absorption spectrometric method and polarographic method
Automatically translated name:
Paints and varnishes -- Determination of "soluble" metal content -- Part 4: Determination of cadmium content -- Flame atomic absorption spectrometric method and polarographic method
STANDARD published on 1.10.1984
The information about the standard:
Designation standards: ISO 3856-4:1984-ed.2.0
Publication date standards: 1.10.1984
SKU: NS-431642
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 3856-4:1984-ed.2.0 :
Description / Abstract: 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.
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