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 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 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
DB50/T 452-2012
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)
T/GAIA 019-2023
GB/T 8574-2024
Determination of potassium content for compound fertilizers
GB/T 8574-2010
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
YS/T 1569.6-2022
NY/T 2540-2014
Fertilizers - Determination of potassium content
DZ/T 0393.3-2021
\u0413\u041e\u0421\u0422 20573-75
Reagents. Potassium dicyanoaurate (I). Specifications
GB 5009.140-2023
GB/T 34765-2017
Determination of mineral fulvic acids content