Withdrawn
simple test which cannot be used to obtain quantitative results. The principle of the method is based on formation of a brown colour on lead acetate paper due to reaction with any hydrogen sulphide present in a test portion. ISO 1897/6 replaces ISO Recommendation R 1908-1971.
WITHDRAWN
ISO/R 1908:1971
WITHDRAWN
ISO 1897-6:1977
95.99
Withdrawal of Standard
May 27, 2002