SN/T 3341-2012
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/Z 38062-2019
Nanotechnologies—Determination of specific surface area of graphene materials—Methylene blue adsorption method
GB/T 12496.10-1999
Test methods of wooden activated carbon--Determination of methylene blue adsorption
JIS G 1215-3:2010
Iron and steel -- Determination of sulfur content -- Part 3: Methylene blue spectrophotometric method after separation of hydrosulfide
GB/T 16489-1996
Water quality--Determination ofsulfide--Methylene blue spectrophotometric method
HJ 1226-2021
GB/T 44376.1-2024
Fine bubble technology—Water treatment applications—Part 1:Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue
GB/T 223.67-2008
Iron, steel and alloy - Determination of sulfur content -Methylene blue spectrophotometric method
HJ 824-2017
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
HJ 833-2017
GB.T 40897-2021
Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method
GB/T 40897-2021
Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method
GB/T 2441.9-2010
Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method
GB/T 11060.2-2023
Natural gas—Determination of sulfur compound—Part 2: Determination of hydrogen sulfide content by methylene blue method
DB43/T 2200-2021
HJ 826-2017
ASTM C837-09(2024)
Standard Test Method for Methylene Blue Index of Clay
DB37/T 1780-2011