This standard was last reviewed and confirmed in 2023.
Therefore this version remains current.
Abstract
PreviewThe 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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Status: PublishedPublication date: 1984-10
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Edition: 2Number of pages: 3
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- ICS :
- 87.040 Paints and varnishes
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
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Life cycle
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Previously
WithdrawnISO 3856-5:1980
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Now
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