ISO 3856-5-1984 色漆和清漆."可溶性”金属含量的测定.第5部分:液体色漆或粉状色漆的颜料中六价铬含量的测定.二苯卡巴肼分光光度法
ISO 3856-5-1984 标准详情
- 标准号:ISO 3856-5-1984
- 中文标题:色漆和清漆."可溶性”金属含量的测定.第5部分:液体色漆或粉状色漆的颜料中六价铬含量的测定.二苯卡巴肼分光光度法
- 英文标题: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
- 标准类别:国际标准化组织标准ISO
- 发布日期:1984-01-01
内容简介
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
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