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