GB/T 31266-2014
Determination of chloral content for superphosphorate
HG/T 2220-1991
HG/T 2221-1991
CFR 2021 TITLE40 VOL7 CHAPTER I SUBCHAPTER C PART 60 Subpart W
Standards of Performance for the Phosphate Fertilizer Industry: Triple Superphosphate Plants
CFR 2021 TITLE40 VOL7 CHAPTER I SUBCHAPTER C PART 60 Subpart X
Standards of Performance for the Phosphate Fertilizer Industry: Granular Triple Superphosphate Storage Facilities
KS M ISO 3707-2012
Phosphoric acid for industrial use-Determination of calcium content-Flame atomic absorption method
ISO 848:1981
Phosphoric acid for industrial use — Determination of calcium content — Titrimetric method