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
ISO 20304-1:2020
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/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
GB/T 16489-1996
Water quality--Determination ofsulfide--Methylene blue spectrophotometric method
HJ 1226-2021
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
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HJ 824-2017
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
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
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid
HG/T 2840-2010
Water treatment chemicals-Amino trimethylene phosphonic acid (solid)
SN/T 3341-2012