This standard specifies the test methods for calcium, magnesium and sulfur content of water-soluble fertilizers. This standard is applicable to the determination of calcium, magnesium and sulfur content in liquid or solid water-soluble fertilizers.
NY/T 1117-2006 history
2010NY/T 1117-2010 Water-soluble fertilizers-Determination of calcium, magnesium, sulphur and chlorine content
2006NY/T 1117-2006 Water-soluble fertilizers.Determination of calcium,magnesium and sulphur content