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Testing of glass; chemical analysis of lead crystal glass and crystal glass
This standard specifies the method of test for determining the resistivity of glass. It applies to all glasses of normal bulk production compositions in a restricted range of temperature. The upper value of the temperature range is 50 ?below the transformation temperature point of the glass, the lower value is that temperature at which the surface conductivity of the sample caused by the humidity can be negligible.#,,#
Testing of glass; determination of electrical resistivity
Glassware and glass ceramic ware in contact with food; Release of lead and cadmium; Part 1 : Method of test
Glassware and glass ceramic ware in contact with food; Release of lead and cadmium; Part 2 : Permissible limits
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