ISO 4047-1977 皮革 硫酸盐总灰分和硫酸盐水不溶物灰分的测定

标准号：ISO 4047-1977
中文标准名称：皮革 硫酸盐总灰分和硫酸盐水不溶物灰分的测定
英文标准名称：Leather; Determination of sulphated total ash and sulphated water-insoluble ash
标准类型：Y45
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Y45
国际标准分类号：59.140.30
适用范围：To determine the total mineral content, for example within the framework of a complete leather analysis, the inorganic substances can be ascertained by calculation or determined separately. The principle consists of the carbonization of the leather followed by treatment with sulphuric acid and ashing in an open crucible. The method is applicable to all types of leather.