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
NB/SH/T 0992-2019
Standard test method for determination of Na,K,Ca and Mg in fatty acid methyl ester by inductively coupled plasma optical emission spectrometry (ICP-OES)
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/T 1291-2008
Chemical reagent - Potassium hydrogen phthalate
GB 6857-2008
pH primary reagent - Potassium hydrogen phthalate
GB 1257-2007
Working chemical - Potassium hydrogen phthalate
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 10730-2008
Primary chemical - Potassium hydrogen phthalate
GB/T 8574-2010
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
GB/T 8574-2024
Determination of potassium content for compound fertilizers
NY/T 2540-2014
Fertilizers - Determination of potassium content
NY/T 889-2004
Determination of exchangeable potassium and non-exchangeable potassium content in soil
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
NY/T 2273-2012
\u0413\u041e\u0421\u0422 \u0420 \u0415\u041d 14109-2009
Fat and oil derivatives. Fatty acid methyl esters (FAME). Determination of potassium content by atomic absorption spectrometry
GB/T 5009.195-2003
Determination of chromium picolinate inhealth foods
BS EN 14109:2003
Fat and oil derivatives. Fatty acid methyl esters (FAME). Determination of potassium content by atomic absorption spectrometry
UNE-EN 14109:2003
Fat and oil derivatives. Fatty Acid Methyl Esters (FAME). Determination of potasium content by atomic absorption spectrometry
MT/T 1074-2008
Classification for alkali metal(potassium,sodium)content in coal'