KS M 8225-2006(2023)
Methyl orange
KS M 8225-2006(2018)
DB37/T 269-1999
GB/T 11736-1989
Standard method for hygienic examination of chlorine in air of residential areas — Methyl orange spectrophotometric method
HJ T 30-1999
HJ/T 30-1999
Stationary source emission—Determination of chlorine—Methyl orange spectrophotometric method
GB/T 16029-1995
Workplace air—Determination of chlorine—Methyl orange spectrophotometric method
GBZ/T 300.140-2017
Determination of toxic substances in workplace air-Part 140: Hydrazine, methyl hydrazine and 1,1-dimethylhydrazine
GBZ/T 300.65-2017
Determination of toxic substances in workplace air-Part 65: Cyclohexane and methyl cyclohexane
GBZ/T 300.128-2018
Determination of toxic substances in workplace air-Part 128: Methacrylates
T/CSEE 0184-2021
GBZ/T 300.103-2017
Determination of toxic substances in workplace air-Part 103:Acetone, methyl ethyl ketone and methyl isobutyl ketone
GBZ/T 300.133-2017
Determination of toxic substances in workplace air-Part 133: Acetonitrile, acrylonitrile and methylacrylonitrile
GBZ/T 300.149-2017
Determination of toxic substances in workplace air-Part 149: Sumithion,fenthion,phosmet and methyl parathion
GBZ/T 300.68-2017
Determination of toxic substances in workplace air-Part 68: Styrene,methylstyrene and divinyl benzene
GBZ/T 300.153-2017
Determination of toxic substances in workplace air-Part 153: Phosphamidon,demeton,methyldemeton and malathion
UNE 30144:1960
ANALYSIS REAGENTS. METHYL ORANGE.
GBZ/T 300.27-2017
Determination of toxic substances in workplace air-Part 27: Dibutyltin dilaurate,trimethyltin chloride and triethyltinchloride
VDI 3488 Sheet 1
Gaseous emission measurement; measurement of chlorine and oxides of chlorine; methyl orange method
ISO 2489:1973
Potassium sulphate for industrial use — Determination of acidity to methyl orange