GB/T 23960-2009
Catechol for industrial use
GB/T 23960-2009
GB/T 23960-2009
Butadiene for industrial use - Determination of tert-butyl-catechol (TBC)
GB/T 23960-2009
4,4’-Sulfonyldiphenol(Bisphenol-S)
GB/T 23960-2009
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 23960-2009
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
GB/T 23960-2009
Hydroquinone for industrial use
GB/T 23960-2009
GB/T 23960-2009
GB/T 23960-2009
Determination of cannabidiol and tetrahydrocannabinol in cosmetics—Liquid chromatography tandem mass spectrometry
GB/T 23960-2009
GB/T 23960-2009
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 23960-2009
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 23960-2009
Guaiacol (o-Hydroxyanisole)
GB/T 23960-2009
Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
GB/T 23960-2009
Chemical analysis methods of magnesium and magnesium alloys Determination of tin content Pyrocatechol violet spectrophotometric method
GB/T 23960-2009
GB/T 23960-2009
Photography - Processing chemicals - Specifications for hydroquinone
GB/T 23960-2009
GB/T 23960-2009
Test method of styrene for industrial use - Part 8:Determination of content of inhibitor(p-tert-butylcatechol)- Spectrophotometric method