ISO/R 852:1968 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of iron content; 2,2'- Bipyridyl spectrophotometric method
International Organization for Standardization (ISO)
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ISO/R 852:1968
ISO/R 852:1968 history
1968ISO/R 852:1968 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of iron content; 2,2'- Bipyridyl spectrophotometric method