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ISO 7252:1984
Paints and varnishes — Determination of total mercury — Flameless atomic absorption spectrometric method
Automatically translated name:
Paints and varnishes -- Determination of total mercury -- Flameless atomic absorption spectrometric method
STANDARD published on 1.11.1984
The information about the standard:
Designation standards: ISO 7252:1984
Publication date standards: 1.11.1984
SKU: NS-434747
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 7252:1984 :
Description / Abstract: The reference method described is applicable to products having total mercury contents in the range of about 0.01 % (m/m) to 0.5 % (m/m). May also be extended to products with a total content of more than 0.5 % (m/m). The principle of the method consists in the combustion of the test portion with oxygen in an enclosed system. Reduction of the mercury(II) compounds contained in the resulting solution to elementary mercury. Entrainment of the metal in a gas stream at ambient temperature and determination as the monoatomic vapour by cold vapour atomic absorption spectrometry at a wavelength in the region of 253.7 nm.
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