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4、4052, Test method for density, relative density, and API gravity of liquids by digital density 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
5、- (ASTM D 4790, Terminology of aromatic hydrocarbons and related chemicals) 5136 - (ASTM D 5136, Specification 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 chromatograp
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7、 digits in test data to determine conformance with specifications) E260 (ASTM E260, Practice for-packed column gas chromatography) E355 (ASTM E355, Practice for gas chromatography terms and relationships) E691 - (ASTM E691, Practice for conducting an interlaboratory study to determine the precision
8、of a test method) E1510 (ASTM E1510, Practice for installing fused silica open tubular capillary columns in gas chromatographs) 2.2 OSHA, 29 (), 1910.1000 1910.1200 (OSHA Regulations, 29 CFR paragraphs 1910.1000 and 1910.12001).3 3.1 4790. 3.2 C8,-, - -. -, , . . 4 , - (FID). - -. (GC), 100,00 . . 5
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