標準號：ISO 787-9-1981
中文標準名稱：顏料和體質顏料的通用試驗方法.第9部分:水懸浮液pH值的測定
英文標準名稱：General methods of test for pigments and extenders; Part 9 : Determination of pH value of an aqueous suspension
標準類型：G53
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：G53
國際標準分類號：87.060.10
適用范圍：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.