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ISO 3856-5:1984-ed.2.0
Paints and varnishes — Determination of "soluble" metal content — Part 5: Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form — Diphenylcarbazide spectrophotometric method
Automatically translated name:
Paints and varnishes -- Determination of "soluble" metal content -- Part 5: Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form -- Diphenylcarbazide spectrophotometric method
STANDARD published on 1.10.1984
The information about the standard:
Designation standards: ISO 3856-5:1984-ed.2.0
Publication date standards: 1.10.1984
SKU: NS-431643
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 3856-5:1984-ed.2.0 :
Description / Abstract: The principle consists in formation of a coloured complex from hexavalent chromium and diphenylcarbazide solution. After addition of orthophosphoric acid and sulfuric acid, spectralphotometric easurement of the colour at a wavelength in the region of 540 nm. The method is applicable to coating materials having hexavalent chromium contents in the range of about 0,05 % (m/m) to 5 % (m/m). This method id the referee method in cases of dispute. This second edition cancels and replaces the ISO 3856/5-1980, of which it constitutes a through revision.
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