General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 17669.2-1999
Scope
This standard specifies the gravimetric method for determining the crystal water content in building gypsum. This standard applies to the determination of crystal water content in building gypsum, and can also be used as a reference for the determination of crystal water content in anhydrite and other gypsum powders.
GB/T 17669.2-1999 history
1999GB/T 17669.2-1999 Gypsum plasters--Determination of water of crystallization content