GB/T 10512-2008
Determination of phosphorus content for nitrophosphate - Quinoline phosphomolybdate gravimetric method
GB/T 10510-2023
Nitrophosphate, potassium nitrophosphate
GB/T 10510-2007
Nitrophosphate and potassium nitrophosphate
GB/T 10514-2012
Determination of free water for nitrophosphate - Oven method
GB/T 10512-1989
The determination of phosphorus content for nitrophosphate—Quinoline phosphomolybdate gravimetric method
GB/T 10513-2012
Determination of free water for nitrophosphate - Karl fischer method
GB/T 10511-2008
Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
GB/T 7731.4-2021
Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method
GB/T 4333.2-2023
Ferrosilicon—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method
GB/T 35069-2018
Coke—Determination of phosphorus content—Reduced molybdophosphate spectrophotometric method
GB/T 4702.3-2016
Chromiun metal—The determination of phosphorus content—Bismuth phosphate molybdenum blue spectrophotometric method
GB/T 8573-2017
Determination of available phosphorus content for compound fertilizers
GB/T 24583.5-2019e
Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method
GB/T 24583.5-2019
Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method
GB/T 6730.19-2016
Iron ores—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method
FZ/T 50021-2014
Phosphorus flame-retardant chemical fiber products—Determination of the phosphorus content
NY/T 2541-2014
Fertilizers - Determination of phosphorus content
YB/T 4532-2016
Ferrophosphorus-Determination of phosphorus content-Acid-base titration method
GB/T 24223-2009
Chromium ores - Determination of phosphorus content - Reduced molybdophosphate photometric method
GB/T 1515-2002
Manganese ores--Determination of phosphorus content--Phosphomolybdenum blue spectrophotometric method