GB/T 32696-2016
Photography—Determination of residual thiosulfate and other related chemicals in processed photographic materials—Methods using iodine-amylose,methylene blue and silver sulfide
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
HG/T 3777-2023
GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
HG/T 2841-2023
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
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
HG/T 2840-2010
Water treatment chemicals-Amino trimethylene phosphonic acid (solid)
HJ 824-2017
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
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
SN/T 3341-2012
HJ 826-2017
ASTM C837-09(2024)
Standard Test Method for Methylene Blue Index of Clay