BS EN ISO 6271:2015规定了一种分光光度法，用于估算透明玻璃的颜色 以铂钴单位（铂钴单位）表示的液体。它适用于有颜色的透明液体 与附录A中规定的产品铂钴色标相似的特性 如果颜色比铂钴储备溶液更浓，则ISO 4630中规定的方法适用。分光光度法提供了一种比目测法更精确的测量铂钴颜色的方法 通过人眼进行样本比较。注:此处使用的术语“Pt Co颜色”优于术语“黑森颜色”和“APHA颜色”。交叉引用:ISO 3696ISO 5725-2ISO 15528ISO 4630购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS EN ISO 6271:2015 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".Cross References:ISO 3696ISO 5725-2ISO 15528ISO 4630All current amendments available at time of purchase are included with the purchase of this document.