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 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
GB/T 22662.3-2008
Chemical analysis methods of potassium fluotitanate - Part 3: Determination of potassium fluotitanate content - By ammonium iron sulphate dodecahydrate titration volumetric method
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 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/T 22662.2-2008
Chemical analysis methods of potassium fluotitanate - Part 2: Determination of moisture content - By gravimetric method
GB/T 22662.8-2008
Chemical analysis methods of potassium fluotitanate - Part 8: Determination of chloride content - Distillation-mercury nitration volumetric method
GB/T 22662.7-2008
Chemical analysis methods of potassium fluotitanate - Part 7: Determiantion of lead content - Flame atomic absorption spectrometric method
GB/T 22662.6-2008
Chemical analysis methods of potassium fluotitanate - Part 6: Determination of iron - Flame atomic absorption spectrometric method
GB/T 22662.5-2008
Chemical analysis methods of potassium fluotitanate - Part 5: Determiantion of calcium content - Flame atomic absorption spectrometric method
GB/T 22662.4-2008
Chemical analysis methods of potassium fluotitanate - Part 4: Determination of silica content - By molybdenum blue photometric method
GB/T 22662.9-2008
Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method
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)
YS/T 1569.6-2022
DZ/T 0393.3-2021
DZ/T 0454.3-2023
DZ/T 0395.1-2022
DZ/T 0452.2-2023
BS 5551-4.3.2:1983
Fertilizers. Chemical analysis. Determination of potassium-Preparation of the test solution for determination of acid-soluble potassium content
T/CNIA 0243.1-2024