GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
SH/T 1803-2016
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
KS M 5969-2005(2018)
Testing method of isocyanate group content in urethane intermediate or prepolymer
T/ZZB 3053-2023
ISO 5504:1992
Oilseed residues — Determination of total isothiocyanate content and vinylthiooxazolidone content