General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 1874-1995
Replace
GB 1874-1980
Scope
This standard specifies the gravimetric method for the determination of acid-insoluble content. This standard applies to the determination of acid-soluble substances in phosphate rock and phosphate concentrate products with a content greater than 0.5%.
GB/T 1874-1995 history
1995GB/T 1874-1995 Phosphate rock and concentrate--Determination of acid insoluble content--Gravimetric method