GB/T 43274-2023
Mineral soil amendments—Determination of total calcium and magnesium content
GB/T 8943.4-2008
Paper,boaed and pulp - Determination of calcium and magnesium
GB/T 19203-2003
Determination of calcium,magnesium andsulphur content for compound fertilizer
GB/T 1511-2016
Manganese ores—Determination of calcium and magnesium contents—EDTA titrimetric method
GB/T 24221-2009
Chromium ores - Determination of calcium and magnesium contents - EDTA titrimetric method
NY/T 4076-2022
Determination of calcium, magnesium and sulphur in organic fertilizer
NY/T 2272-2012
GB/T 12496.21-1999
Test methods of wooden activated carbon--Determination of calcium and magnesium content
GB/T 223.87-2018
Iron,steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric method
NY/T 1389-2007
Natural Rubber Latex Determination of Free Calcium and Magnesium Content
NY/T 1117-2010
GB/T 6730.13-2007
Iron ores - Determination of calcium and magnesium content - EGTA-CyDTA titrimetric method
GB/T 1513-2006
Manganese ores - Determination of calcium and magnesium contents -Flame atomic absorption spectrometric method
GB/T 5551-2010
Surface active agents - Determination for total calcium ion and magnesium ion contents in dispersing agents
JC/T 2336-2015
Determination of silicon,potassium,sodium,calcium,magnesium and iron content in carbon fiber
GB/T 22650-2008
Sodium hydroxide for industrial use - Determination of calcium and magnesium content - Complexometric method
GB/T 13885-2017
Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc in feeds—Method using atomic absorption spectrometry
GB/T 38394-2019
Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry
GB/T 223.88-2019
Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method
HG/T 4325-2012
Reclaimed water-Determination of calcium and magnesium-Atomic absorption spectromic method