T/ZZB 3767-2024
T/ZXJY 010-2023
T/ZAQ 10114-2022
T/ZZB Q064-2022
GB/T 15336-2013
Phthalic anhydride
GB/T 31516-2015
Classification method for the hazardous characterisitics of phthalic anhydride
GB/T 31514-2015
Classification method for the hazardous characterisitics of tetrahydrophthalic acid anhydride
YB/T 5096-2007
GB/T 15336-2006
Phthalic anhydride
HG/T 3479-2003
Chemical reagent o-Phthalic anhydride
GB/T 7383-1997
Non-ionic surface active agents—Polyalkoxylated derivatives—Determination of hydroxyl value—Phthalic anhydride method
SN/T 4373-2015
YB/T 5098-2007
YB/T 5097-2007
GB/T 15336-1994
Phthalic anhydride
GB/T 11405-2006
Dibutylphthalate for industrial use
GB/T 11406-2001
Di-(2-ethylhexyl)phthalate for industrial use
SN/T 3807-2014
Determination of purity of Phthalic anhydride - Differential scanning calorimetry (DSC)
GBZ/T 300.118-2017
Determination of toxic substances in workplace air-Part 118: Acetic anhydride, maleic anhydride and phthalic anhydride
SN/T 5320-2021