The method consists in drying of a test portion at 103 + 2 C in an oven at atmosphere pressure, until practically constant mass is reached. It applies to residues ( excluding compounded products) obtained by the extraction by pressure or solvent. It cancels and replaces ISO Recommendation R 771-1968.
Life cycle
NOW
WITHDRAWN ISO 771:1977 95.99
Withdrawal of Standard Mar 30, 2021
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