GB/T 1878-1995 Phosphate rock and concentrate--Determination of iodine content--Spectrophotometric and specific ion electrode methods (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 1878-1995
Replace
GB 1878-1980
Scope
This standard specifies the iodine blue spectrophotometric method for the determination of iodine content. This standard specifies the determination of iodine content greater than 0.001% in phosphate rock and phosphate concentrate products.
GB/T 1878-1995 history
1995GB/T 1878-1995 Phosphate rock and concentrate--Determination of iodine content--Spectrophotometric and specific ion electrode methods