GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
GB/T 10209.2-2001
Determination of available phosphous content for monoammonium phosphate and diammonium phosphate
SN/T 3808-2014
Determination of total phosphorus content in diammonium phosphate - X-ray fluorescence spectrometry
GB/T 10209.1-2008
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
DB64/T 1714-2020
GB/T 23843-2009
Inorganic chemical products - General method for the determination of total phosphorus(V)oride content
GB/T 1871.1-1995
Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods
YB/T 4218-2010
Vanadium pentoxide-Determination of vanadium pentoxide content-The ammonium persulfate oxidation titrimetric method
NY/T 4429-2023
GB/T 19720-2024
Jewellery and precious metals—Determination of platinum and palladium—Gravimetry using ammonium chloride and dimethylglyoxime
DB23/T 3327-2022
YB/T 4219-2010
Vanadium pentoxide-Determination of phosphorus content-The molybdobismuthylphosphoric blue spectrophotometric method
YB/T 547.1-2014
Vanadium slag - Determination of vanadium pentoxide content - Ammonium ferrous sulfate titrimetric method
GB/T 10209.1-2001
Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate Titrimetric method after distillation
DB65/T 3397-2012
YB/T 5328-2009
DB53/T 477-2013
GB/T 1876-1995
Phosphate rock and concentrate--Determination of carbon dioxide content--Gasometric method
YB/T 5331-2009
GB/T 16036-1995
Workplace air—Determination of phosphorus pentoxide—Ammonium molybdate spectrophotometric method