ISO 787-9-1981 颜料和体质颜料的通用试验方法.第9部分:水悬浮液pH值的测定

标准号：ISO 787-9-1981
中文标准名称：颜料和体质颜料的通用试验方法.第9部分:水悬浮液pH值的测定
英文标准名称：General methods of test for pigments and extenders; Part 9 : Determination of pH value of an aqueous suspension
标准类型：G53
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：G53
国际标准分类号：87.060.10
适用范围：The water used shall be freshly distilled water, boiled before use, but for 5 to 10 min only, in order to avoid an increase of its pH value due to alkali dissolved from the glass. Preparation of a suspension of the material under test, stopper the container, shaking, allow to stand any time, removing the stopper and determination, to the nearest 0.1 unit, of the pH value of the suspension. - Cancels and replaces ISO Recommendation R 787/9-1970.