GB/T 21872-2008
Sulphonic acid hardener for foundry no-bake furan resin
GB/T 21988-2008
Plastics-Vinyl chloride homopolymer and copolymer resins-Sieve analysis in water
HG/T 2345-1992
GB/T 5009.58-2003
Method for analysis of hygienicstandard of polyethylene resin for food packaging
GB/T 5009.71-2003
Method for analysis of hygienicstandard of polypropyrene resin for food packaging
T/SHPTA 099-2024
GB/T 5009.59-2003
Method for analysis of hygienic standard of polystyrene resin for food packaging
GB/T 5009.70-2003
Method for analysis of hygienic standard of epoxy coating for inner wall of food container
GB/T 2916-2007
Plastic - Vinyl chloride homopolymer and copolymer resins - Sieve analysis using air-jet sieve apparatus
DB45/T 1138-2015
DZ/T 0064.58-2021
Methods for analysis of groundwater quality—Part 58:Determination of nitrate—Phenol disulfonic acid spectrophotometry
DL/T 502.20-2006
Analytical methods of steam and water in power plants Part 20:Determination of dissolved oxygen (Colorimetric method using sodium indigo disulphonate)
ASTM D2023-89(2024)
Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM D3673-89(2024)
Standard Test Methods for Chemical Analysis of Alpha Olefin Sulfonates
DIN 52803
Surface active agents - Analysis of technical alkane sulphonates - Determination of alkane monosulphonates content
DL/T 502.19-2006
Analytical methods of steam and water in power plants Part 19:Determination of dissolved oxygen (Colorimetric method using sodium indigo disulphonate glucose)
KS M ISO 893-2007(2023)
Surface active agents-Technical alkane sulfonates-Methods of analysis
KS M ISO 893-2007(2018)
Surface active agents-Technical alkane sulfonates-Methods of analysis
20240545-T-609
Analysis methods of chemical composition of resin-based artificial stone
GB/T 5009.71-1996
Method for analysis of hygienic standard of polypropyrene resin for food packaging