GB/T 31266-2014
Determination of chloral content for superphosphorate
HG/T 2220-1991
HG/T 2221-1991
GB/T 20413-2017
Single superphosphate
GB/T 21634-2020
Triple superphosphate
DB53/ 523-2013
HG/T 2740-1995
GB/T 20413-2006
Superphosphate
GB/T 21634-2008
Triple superphosphorate
HG/T 2219-1991
\u0413\u041e\u0421\u0422 5956-78
Granulated superphosphate from apatite concentrate with and without additives of microelements. Specifications
HG/T 2223-1991
NB/SH/T 0822-2010
Standard test method for determination of phosphorus,sulfur,calcium,and zinc in lubrication oils by energy dispersive X-ray fluorescence spectroscopy
HG/T 3534-2011
HG/T 2224-1991
32004R2076
DB51/T 918-2009
HG/T 2222-1991
NB/SH/T 0880-2014
Standard test method for determination of calcium,chlorine,copper,magnesium,phosphorus,sulfur,and zinc in unused lubricating oils and additives by wavelength dispersive X-ray fluorescence spectrometry (mathematical correction procedure)
DB52/ 574-2009