PRICES include / exclude VAT
sklademVydáno: 1984
ISO 3856-5:1984
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
Format
Availability
Price and currency
Anglicky PDF
Immediate download
Printable
49.50 €
Francouzsky PDF
Immediate download
Printable
49.50 €
Anglicky Hardcopy
In stock
49.50 €
Francouzsky Hardcopy
In stock
49.50 €
| Označení normy: | ISO 3856-5:1984 |
| Počet stran: | 3 |
| Vydání: | 2 |
| Vydáno: | 1984 |
DESCRIPTION
ISO 3856-5:1984
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.