ISO 760 Determination of Water - Karl Fischer Method (General Method) - First Edition
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International Organization for Standardization
Determination of Water - Karl Fischer Method (General Method) - First Edition
N 760
Annotation
SCOPE AND FIELD OF APPLICATION
This international Standard specifies a general method known as the Karl Fischer method[1], suitable for the determination of free water or water of crystallization in most solid or liquid chemical products, both organic and inorganic.
Precautions are necessary in certain cases and these are specified in the appropriate International Standards.
Two methods of titration, depending on whether the endpoint is detected visually or electrometrically, are specified. The visual method can be used when no electrometric apparatus is available but is applicable only to colourless solutions; it is always a direct titration. The electrometric method, on the other hand, may involve either a direct titration or a back-titration. The electrometric method, whether by direct titration or back-titration, is the more accurate, and for this reason is recommended.
Автоматический перевод:
Определение воды - метода Карла Фишера (общий метод) - первый выпуск
ОБЪЕМ И ОБЛАСТЬ ПРИМЕНЕНИЯ
Этот международный стандарт определяет общий метод, известный как метод Карла Фишера [1], подходящий для определения свободной воды или воды кристаллизации в большинстве твердых или жидких химических продуктов, и органических и неорганических.
