HG/T 3449-2012
Chemical reagent-Methyl red
KS M 8225-2006(2023)
Methyl orange
KS M 8225-2006(2018)
DB37/T 269-1999
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
GB/T 11736-1989
Standard method for hygienic examination of chlorine in air of residential areas — Methyl orange spectrophotometric method
KS M 8063-2015(2020)
Methyl red
HG/T 3449-1999
Chemical reagent Methyl red
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
HG/T 5842\uff5e5844-2021
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 38401-2019(\u82f1\u6587\u7248)
皮革和毛皮 化学试验 二甲基甲酰胺含量的测定
T/CSEE 0184-2021
UNE 30144:1960
ANALYSIS REAGENTS. METHYL ORANGE.
VDI 3488 Sheet 1
Gaseous emission measurement; measurement of chlorine and oxides of chlorine; methyl orange method
UNE 30145:1960
ANALYSIS REAGENTS. METHYL RED.
ISO 2489:1973
Potassium sulphate for industrial use — Determination of acidity to methyl orange
VDI 2458 Sheet 1
Gaseous air pollution measurement; measurement of chlorine concentration; methylorange method