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SRPS H.B8.431:1984

Acid-grade fluorspar — Determination of available fluorine content — Potentiometric method after distillation

Jan 21, 1984
Jan 21, 1984
95.99   Withdrawal of Standard   Jan 28, 2013

General information

95.99     Jan 28, 2013

ISS

H047

International Standard

73.080  

Serbian  

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Scope

Specifies a potentiometric method using a fluoride-ion sensitive electrode. After destillation of fluorine from the test portion in the presence of perchloric acid the distillate shall be titrated with lanthane nitrate solution. Applicable to products having a calcium fluoride content greater than 90 %.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.431:1984
95.99 Withdrawal of Standard
Jan 28, 2013

Related project

Adopted from ISO 5439:1978