GB/T 11060.2-2023
Natural gas—Determination of sulfur compound—Part 2: Determination of hydrogen sulfide content by methylene blue method
JIS G 1215-3:2010
Iron and steel -- Determination of sulfur content -- Part 3: Methylene blue spectrophotometric method after separation of hydrosulfide
GB/T 11060.2-1998
Natural gas—Determination of hydrogen sulfide content—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
SN/T 3341-2012
ISO 7525:1985
Nickel — Determination of sulfur content — Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
KS D ISO 7525-2012(2017)
Nickel-Determination of sulfur content-Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
\u0413\u041e\u0421\u0422 34790-2021
Prepared (corrected) water for the manufacturing of alcoholic beverages. Determination of the content of hydrogen sulfide and sulfides by photometric method with N,N-dimethyl-p-phenylenediamine
BS 6783-6:1986
Sampling and analysis of nickel, ferronickel and nickel alloys-Method for determination of sulphur in nickel by methylene blue molecular absorption spectrometry after generation of hydrogen sulphide
ASTM D2725-87(1992)E01
Test Method for Hydrogen Sulfide in Natural Gas (Methylene Blue Method) (Withdrawn 1996)
GB/T 11742-1989
Standard method for hygienic examination of hydrogen sulfide in air of residential areas—Methylene blue spectrophotometric method
VDI 2454 Sheet 2
Gaseous air pollution measurement; measurement of hydrogen sulphide concentration; methylene blue Impinger method