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methylene blue method

methylene blue method, Total:9 items.

In the international standard classification, methylene blue method involves: Natural gas, Water quality, Photography, Construction materials, Ferrous metals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, methylene blue method

GB/T 11060.2-1998 Natural gas--Determination of hydrogen sulfide content--Methylene blue method
GB/T 11060.2-2023 Natural gas—Determination of sulfur compound—Part 2: Determination of hydrogen sulfide content by methylene blue method
GB/T 11060.2-2008 Natural gas.Determination of sulfur compound.Part 2:Determination of hydrogen sulfide content by methylene blue method
GB/T 12938-1991 Determination of thiosulphate and other residual chemicals in processed photographic materials--Iodine-amylose, methylene blue and silver sulphide densitometric methods

Indonesia Standards, methylene blue method

SNI 06-6989.51-2005 Water and waste water - Part 51: Test methods of anionic surfactant content with spectrophotometers by methylene blue

BE-NBN, methylene blue method

NBN T 94-203-1977 Determination of hydrogensulfide content in ambient air - Methylene blue raethod

KR-KS, methylene blue method

KS I ISO 10530-2023 Water quality — Determination of dissolved sulfide — Photometric method using methylene blue

PT-IPQ, methylene blue method

NP EN 933-9-2000 Tests for geometrical properties of aggregates Part 9:Assessment of fines Methylene blue test

Korean Agency for Technology and Standards (KATS), methylene blue method

KS D ISO 10701:2002 Steel and iron－Determination of sulfur content－Methylene blue spectrophotometric method