Leather — Chemical tests — Determination of pH and difference figure
皮革 - 化学试验 - 测定pH值和差值
发布日期:
2018-05-08
本文件规定了测定水性皮革提取物pH值和差值的方法。它适用于所有类型的皮革。
This document specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.