GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
HG/T 4075-2008
Phosphorus trichloride for industrial use-Determination of phosphoric acid content-spectrometric method
UNE-EN 1203:2006
Chemicals used for treatment of water intended for human consumption - Tripotassium orthophosphate
BS EN 1203:2005
Chemicals used for treatment of water intended for human consumption. Tripotassium orthophosphate
EN 1203:2005
BS EN 1201:2005
Chemicals used for treatment of water intended for human consumption. Potassium dihydrogen orthophosphate
BS EN 1202:2005
Chemicals used for treatment of water intended for human consumption. Dipotassium hydrogen orthophosphate
UNE-EN 1202:2005
Chemicals used for treatment of water intended for human consumption - Dipotassium hydrogen orthophosphate
UNE-EN 1201:2005
Chemicals used for treatment of water intended for human consumption - Potassium dihydrogen orthophosphate
EN 1202:2005
EN 1201:2005
BS EN ISO 15681-2:2018
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA)-Method by continuous flow analysis (CFA)
DIN EN 1203
Chemicals used for treatment of water intended for human consumption - Tripotassium orthophosphate
KS I ISO 15681-2014(2021)
Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis(FIA and CFA)
DIN EN 1202
Chemicals used for treatment of water intended for human consumption - Dipotassium hydrogen orthophosphate
DIN EN 1201
Chemicals used for treatment of water intended for human consumption - Potassium dihydrogen orthophosphate
BS EN ISO 15681-1:2004
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA)-Method by flow injection analysis (FIA)
KS I ISO 15681-2014
Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis(FIA and CFA)
BS 4258-6:1976
Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of arsenic content
BS EN 1203:1998
Chemicals used for treatment of water intended for human consumption. Tripotassium orthophosphate