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Название (рус.): | Фтороводород безводный технический. Определение содержания воды. Метод Карла Фишера |
Название (англ.): | Anhydrous hydrogen fluoride for industrial use; Determination of water content; Karl Fischer method |
Описание (англ.): | Applicable to products having a water content between 0.01 % (m/m) and 0.5 % (m/m). Is supplemented by ISO 3700 and intended for reference purposes. Bases on addition of a cooled test portion to cooled dry pyridine containing 5 % of anhydous hydrogen fluoride. The apparatus for measuring the test portion and titration and the measuring vessel are shon in figures. Subsequent electrometric titration of the water with the Karl Fischer reagent. |
Дата регистрации: | 01.10.76 |
Дата введения: | 01.08.76 |
Код КГС: | Л19 |
Код ОКСТУ: | 2122;2109 |
Код ОКС(МКС): | 71.060.30 |
Код ОКП: | 2122;2109 |
Нормативные ссылки: | BS 5365 PART 3-1979, EQV*NBN T 03-514-1983, EQV*NF T20-331-1984, EQV |
Ключевые слова: | CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT HYDROGEN FLUORIDE KARL FISCHER REAGENT WATER CHEMICAL ANALYSIS AND TESTIN |
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