HG/T 3449-2012
Chemical reagent-Methyl red
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
KS M 8063-2015(2020)
Methyl red
HG/T 3449-1999
Chemical reagent Methyl red
HG/T 5842\uff5e5844-2021
KS M 1982-2017(2022)
SecButyl alcohol, methyl ethyl ketone, isobutyl methyl ketone, isoamyl ethyl ketone, diacetone alcohol and hexylene glycol for industrial use — Determination of acidity to phenolphthalein — Volumetric method
KS M 1982-2017
SecButyl alcohol, methyl ethyl ketone, isobutyl methyl ketone, isoamyl ethyl ketone, diacetone alcohol and hexylene glycol for industrial use — Determination of acidity to phenolphthalein — Volumetric method
UNE 30145:1960
ANALYSIS REAGENTS. METHYL RED.
ISO 2887:1973
secButyl alcohol, methyl ethyl ketone, isobutyl methyl ketone, isoamyl ethyl ketone, diacetone alcohol and hexylene glycol for industrial use — Determination of acidity to phenolphthalein — Volumetric method