GB/T 40917-2021
Textiles—Determination of perfluorohexane-1-sulphonic acid and its salts
SN/T 4568-2016
Determination of perfluoralkyl iodides content-Gas chromatography mass spectrometry
DB35/T 1868-2019
GB/T 31126-2014
Textiles―Determination of perfluorooctane sulfonates and perfluoroalkyl carboxylates
HG/T 5662-2019
GB/T 37760-2019
Determination of perfluorooctanoic acid and perfluorooctane sulfonic acid in electronic and electrical products—Ultra high performance liquid chromatographic method with tandem mass spectrometry
GB/T 36929-2018
Leather and fur—Chemical tests—Determination of perfluorooctane sulphonates(PFOS) and perfluorooctanoic acid(PFOA) content
GB 31604.35-2016
GB 5009.253-2016
GB/T 33893-2017
Determination of perfluorooctane sulfonates(PFOS) and perfluorooctanoic acid(PFOA) for separation membranes—Liquid chromatography-tandem mass spectrometry method
GB/T 2286-2017
Determination of total sulfur composition of coke
HG/T 5016-2016
Determination of fluorine content in fluorine waste gas
T/SSAE 35-2023
GB/T 6730.28-2021
Iron ores—Determination of fluorine content—Ion-selective electrode method
HG/T 5662\uff5e5664-2019
GB/T 38216.2-2019
Steel slag—Determination of fluoride content and chloride content—Ion chromatography
GB/T 24526-2009
Carbon materials-determination of the total sulphur content
GB/T 41946-2022
Rubber—Determination of total sulfur content—Ion chromatography method
GB/T 8039-2022
Determination of total sulfur of coking benzole products
GB/T 6730.26-2017
Iron ores—Determination of fluorine content—Thorium nitrate titrimetric method