HG/T 3449-2012
Chemical reagent-Methyl red
GB/T 36691-2018
Methyl vinyl silicone rubber—Determination of vinyl content—Near infrared spectroscopy
HG/T 5842\uff5e5844-2021
HG/T 3449-1999
Chemical reagent Methyl red
YY/T 1188-2010
EMB agar medium
HG/T 3416-2009
KS M 8063-2015(2020)
Methyl red
GB/T 3654.6-2008
Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
SH/T 1816-2017
Plastics—Determination of methyl (comonomer) content in polyethylene—Infrared spectrophotometry
HG/T 5488\uff5e5491-2018
HG/T 3415-2024
HG/T 5949-2021
HG/T 5949\uff5e5950-2021
HG/T 3415-2010
Red base B (2-Methoxy-4-nitroaniline)
DB51/T 1919-2014
HG/T 3407-2010
Scarlet base RC (2-Methoxy-5-nitroaniline hydrochloride)
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
NB/SH/T 0802-2019
Determination of 2,6-bi tert-butyl-paracresol in insulating oils by IR spectrophotometry
DB13/T 5029-2019
T/CPMA 023-2020