ISO 6271:2015
透明液体.用铂钴色标评定色度

Clear liquids - Estimation of colour by the platinum-cobalt colour scale

标准号

ISO 6271:2015

发布

2015年

发布单位

国际标准化组织

当前最新

ISO 6271:2015

 

 

引用标准

ASTM D1209-05 CIE 15-2004 ISO 15528:2013 ISO 3696:1987 ISO 4630:2015 ISO 5725-2:1994

适用范围

This International Standard specifies a spectrophotometric method for estimating the colour of clear liquids in terms of platinum-cobalt units (Pt-Co units). It is applicable to clear liquids having a colour characteristic similar to those of the platinum-cobalt colour scale specified in Annex A. For products with colours more intense than the Pt-Co stock solution the method specified in ISO 4630 applies. The spectrophotometric method provides a more precise way of measuring Pt-Co colour than a visual sample comparison by human eyes. NOTE The term “Pt-Co colour” used here is preferred over the terms “Hazen colour” and “APHA colour”.

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