JC/T 2132-2012
KS M ISO 4280-2003(2018)
ISO 5437:1992
Acid-grade and ceramic-grade fluorspar — Determination of barium sulfate content — Gravimetric method
ISO 5437:1988
Acid-grade and ceramic-grade fluorspar — Determination of barium sulfate content — Gravimetric method
HG/T 2958.2-1988
Celestite ores-Determination of barium content-Barium chromate volumetric method
DL 422.4-1991