SN/T 4590-2016
Determination of sodium pyrophosphate,sodium tripolyphosphate and sodium trimetaphosphate in aquatic products for export-Ion chromatography
HG/T 4515-2013
Sodium trimetaphosphate
HG/T 2519-2017
Sodium hexametaphosphate for industrial use
HG/T 4830-2015
High purity industrial product - Aluminum metaphosphate
GB/T 24583.5-2019(\u82f1\u6587\u7248)
钒氮合金 磷含量的测定 铋磷钼蓝分光光度法
GB 1886.325-2021
GB 1886.4-2020
HG/T 2837-2010
Water treatment chemicals-Sodium polymetaphosphate
SH 2604.03-2003
Water treatment chemicals-Sodium Hexametaphosphate
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
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
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB 1890-2005
Food additive—Sodium hexametaphosphate
GB/T 35996-2018(\u82f1\u6587\u7248)
磷矿石和磷精矿中八种元素含量的快速测定 X射线荧光光谱法
HG/T 2519-2007
Sodium hexametaphosphate for industrial use
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB 1890-1989
Food additive Sodium hexametaphosphate
GB 1886.4-2015
HG/T 2519-1993
GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content