GB/T 5195.1-1985 Methods for chemical analysis of fluor-spar--The EDTA volumetric method for the determination of calcium fluoride content (English Version)
This standard applies to the determination of the amount of calcium fluoride in fluorspar. Measuring range: more than 60%. This standard does not apply to the determination of the amount of calcium fluoride in strontium-containing fluorspar.
GB/T 5195.1-1985 history
2017GB/T 5195.1-2017 Fluorspar—Determination of calcium fluoride content—EDTA titration method and distillation-potentiometric titration method
2006GB/T 5195.1-2006 Fluorspar. Determination of calcium fluoride content
1985GB/T 5195.1-1985 Methods for chemical analysis of fluor-spar--The EDTA volumetric method for the determination of calcium fluoride content