Glass. Hydrolytic resistance of glass grains at 98 °C. Method of test and classification
Glass. Hydrolytic resistance of glass grains at 98 °C. Method of test and classification
What is ISO 719 about?
ISO 719 is intended for use on the less resistant types of glass, such as soda-lime glass. Soda lime glass has several properties that make it useful as a glass for general and more specific applications. ISO 719 specifies the method for determining the hydrolytic resistance of glass grains at 98 °C. The resistance is measured and expressed by the volume of acid required for titration of the alkali extracted from the unit mass of glass and can also be expressed by the amount of sodium oxide equivalent to this volume of acid. ISO 719 also describes the classification of glass according to the hydrolytic resistance determined by the method of this document. For five classes of grain the limit values in the test are listed. The principle, reagents, app...
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