GB/T 11060.2-2023
Natural gas—Determination of sulfur compound—Part 2: Determination of hydrogen sulfide content by methylene blue method
GB/T 11060.2-1998
Natural gas—Determination of hydrogen sulfide content—Methylene blue method
SN/T 3341-2012
GB/T 11060.2-2008
Natural gas—Determination of sulfur compound—Part 2:Determination of hydrogen sulfide content by methylene blue method
YY/T 1188-2010
EMB agar medium
GB/T 7702.6-2008
Test method for granular activated carbon from coal - Determination of methylene blue adsorption
DB51/T 1702-2013
ISO 10701:1994
Steel and iron — Determination of sulfur content — Methylene blue spectrophotometric method
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
KS M 8274-2015(2020)
Methylene blue
GB/T 39302-2020
Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 24583.5-2019(\u82f1\u6587\u7248)
钒氮合金 磷含量的测定 铋磷钼蓝分光光度法
SL 89-1994
Determination of sulfide (Methylene blue spectrophotometric method)
KS D ISO 7525-2012(2017)
Nickel-Determination of sulfur content-Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
GB/T 11742-1989
Standard method for hygienic examination of hydrogen sulfide in air of residential areas—Methylene blue spectrophotometric method
GB/T 7494-1987
Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
JIS G 1215-3:2010
Iron and steel -- Determination of sulfur content -- Part 3: Methylene blue spectrophotometric method after separation of hydrosulfide