GB/T 33054-2016
Determination of content of sodium sulfide in sulphur dye products
SN/T 3936-2014
Determination of sodium sulfide in gourmet powder for export
HG/T 2964-1984
Sodium hydrosulphide for industrial use-Determination of the content of sodium hydrosulphide and sulphide
GB/T 10500-2009
Sodium sulfide for industrial use
HG/T 6070-2022
DB34/T 3088-2018
GB/T 10500-2000
Sodium sulfide for industrial use
DB34/T 2805-2016
GB/T 4909.9-2009
Test methods for bare wires - Part 9: Test for continuity of coating - Sodium polysulfide solution method
HB 20055.3-2011
Methods for analysis of chemical milling solutions for aluminum alloy-Part 3:Determination of sodium sulfide content by iodometry
KS M 1412-2015(2020)
Sodium sulfide
KS M 8230-2018(2023)
Sodium sulfide nonahydrate
GB/T 15252-2014
Rubber,compounded or vulcanized―Determination of sulfide sulfur content―Lodometric method
KS M 8230-2018
Sodium sulfide nonahydrate
DB62/ 2142-2011
GB/T 4497.2-2013
Rubber - Determination of total sulfur content - Part 2: Sodium peroxide fusion method
GB/T 4909.9-1985
Test methods for bare wires—Test for continuity of coating—Sodium polysulfide solution method
\u0413\u041e\u0421\u0422 596-89
Technical sodium sulphide. Specifications
UNE-EN 12121:2006
Chemicals used for treatment of water intended for human consumption - Sodium disulfite
GB/T 11060.4-2017
Natural gas—Determination of sulfur compound—Part 4: Determination of total sulfur content by oxidative microcoulometry method