717741

ISO 3856-5:1984

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 by International Organization for Standardization , 11/01/1984

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Full Description

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.

 

Product Details

Published:
11/01/1984
Number of Pages:
3
File Size:
1 file , 290 KB
Same As:
BS 3900-B10:1986
Note:
This product is unavailable in Ukraine, Russia, Belarus