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氧化铬绿颜料检测项目报价? 解决方案? 检测周期? 样品要求? |
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Specifies three grades, which shall not be in admixture with other colouring matter of organic or inorganic nature and shall be free from extenders. The pigment consists essentially of chromium(III) oxide (Cr2O3) in the form of a dry powder. Grade 1, these pigments shall contain a residue on a sieve of 45 nm mesh aperture of not more than 0,01 % (m/m); grade 2, under the same conditions, shall contain a residue of more than 0,01 % (m/m) and not more than 0,1 % (m/m) and grade 3 shall contain a residue of more than 0,1 % (m/m) and not more than 0,5 % (m/m).
1.1 This specification covers the dry pigment commercially known as chrome oxide green. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
This International Standard specifies the requirements and corresponding methods of test for chrome Oxide green Pigments suitable for general use.
Prezentul Standard Internaţional stabileşte caracteristicile şi metodele de analiză corespunzătoare pigmenţilcr verzi de oxid de crom de uz general.
Requirements and methods of test.
이 규격은 일반적인 용도로 사용할 수 있는 산화크롬 그린 안료에 요구되는 품질규격과 시험방
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