This standard method is applicable to the determination of sulfur content in various types of fertilizer catalysts with sulfur content of one thousandth or less. Measuring range: sulfur content 0.1% ~ 0.0005%.
HG/T 3542-1986 history
2013HG/T 3542-2013 Analytical method of micro-sulphur in fertilizer catalyst
2005HG/T 3542-2005 Analytical method of micro-sulphur in fertilizer catalyst
2000HG/T 3542-1986 Analytical Method for Trace Sulfur in Fertilizer Catalysts