GB/T 10209.1-2001
Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate Titrimetric method after distillation
GB/T 10209.1-2008
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
SN/T 3808-2014
Determination of total phosphorus content in diammonium phosphate - X-ray fluorescence spectrometry
GB/T 10209.2-2001
Determination of available phosphous content for monoammonium phosphate and diammonium phosphate
GB/T 10209.3-2001
Determination of water content for monoammonium phosphate and diammonium phosphate
DB65/T 3397-2012
GB/T 42263-2022
Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
DB37/T 2735-2015
SN/T 3810-2014
Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry
GB/T 41153-2021
Determination of boron, aluminum and nitrogen impurity content in silicon carbide single crystal—Secondary ion mass spectrometry
T/SDAQI 103-2024
SH/T 1157.2-2015
Rubber,raw-Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber(NBR)-Part 2:Kjeldahl method
T/SDAQI 104-2024
SN/T 3470.2-2013
Rubber,raw-Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber(NBR)-Part 2:Kjeldahl method
GB/T 9984.10-2004
Sodium tripolyphosphate for industrial use (including foodstuffs)—Determination of oxides of nitrogen content-3,4-Xylenol spectrophotometric method
GB/T 10205-2009
Monoammonium phosphate and diammonium phosphate
GB/T 9984.10-1988
Sodium tripolyphosphate for industrial use (including foodstuffs)--Determination of oxides of nitrogen content--3,4-Xylenol spectrophotometric method
HG/T 5514-2019
Monoammonium phosphate and diammonium phosphate containing humic acid
HG/T 4132\uff5e4133-2021