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3、oluene)2360 -(ASTM D 2360,Test method for trace impurities in monocyclic aromatic hydrocarbons by gas chromatography)3437 (ASTM D 3437,Practice for sampling and handling liquid cyclic products)4052 ,AP I (ASTM D 4052,Test method for density,relative density,and API gravity of liquids by digital dens
4、ity meter)1)ACTM ATM,www.astm.org -ATM:serviceastm.org.(Annual Book of ASTM Standards).563432015 2 4307 -(ASTM D 4307,Practice for preparation of liquid blends for use as analytical stan-dards)4790 -(ASTM D 4790,Terminology of aromatic hydrocarbons and related chemicals)5136 -(ASTM D 5136,Specificat
5、ion for high-purity p-xylene)5211 -(ASTM D 5211,Spe-cification for xylenes for p-xylene feedstock)6526 (ASTM D 6526,Test method for analysis of toluene by capillary column gas chromatography)6563 ,(BTX)(ASTM D 6563,Test method for benzene,toluene,xylene(BTX)concentrates analysis by gas chromatograph
6、y)6809 -(ASTM D 6809,Guide for quality control and quality assurance procedures for aromatic hydrocarbons and related materials)E29 (ASTM E 29,Practice for using significant digits in test data to determine conformance with specifications)E260 (ASTM E260,Practice for-packed column gas chromatography
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