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 5195.16-2017
Fluorspar—Determination of silicon, aluminum, iron, potassium, magnesium and titanium content—Inductively coupled plasma atomic emission spectrometry
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
NB/T 11260-2023
Determination of silicon,aluminum,iron,calcium,magnesium,sodium,potassium,phosphorus,titanium and manganese in coal gangue—X-ray fluorescence spectrometric method
DB13/T 5589-2022
GB/T 38812.3-2020
Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method
GB/T 22662.9-2008
Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method
DB13/T 5590-2022
GB/T 24519-2009
Manganese ores - Determination of magnesium, aluminum, silicon, phosphorus, sulfur, potassium, calcium, titanium, manganese, iron, nickel, copper, zinc, barium and lead content - Wavelength dispersive X-ray fluorescence spectrometric method
GB/T 24197-2009
Manganese ores - Determination of iron,silicon,aluminium,calcium,barium,magnesium,potassium,copper,nickel,zinc,phosphorus,cobalt,chromium,vanadium,arsenic,lead,titanium and vanadium - Inductively coupled plasma atomic emission spectrometry
YB/T 4511-2017
Direct reduced iron-Determination of silicon,manganese,phosphorus,vanadium,titanium,copper,aluminum,arsenic,magnesium,calcium,potassium and sodium content-The inductively coupled plasma atomic emission spectrometry
SN/T 5249-2020
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