abstraction

The specification includes xylene for use as a p-xylene feedstock. The xylene of the paraxylene raw material shall meet the following requirements: minimum weight percentage of paraxylene, maximum weight percentage of ethylbenzene, maximum weight percentage of toluene, maximum weight percentage of C9 and higher boiling point aromatics, maximum weight percentage of non-aromatics, maximum weight percentage of nitrogen if desired, sulfur content, hitsura, chloride (kung gusto), color and distillation range.

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ASTM D5211-2017 Standard Specification para sa Xylene P-Xylene Raw Materials

Hakbang 1: Saklaw

1.1 This specification includes xylene as a p-xylene raw material. These xylene are usually extracted from the products of reforming.

1.2 The following applies to all specified limits in this specification: In order to determine consistency with this specification, the observed or calculated value shall be “rounded” to the nearest unit in the last right-handed digit used to represent the specification limit, following the rounding method of Practice E29.

1.3 Ang mga pagpapahalagang ipinahayag sa mga yunit ng SI ay dapat ituring bilang mga pamantayang pagpapahalaga. Ang mga halaga na ibinigay sa mga panaklong ay para sa sanggunian lamang.

ASTM D5211-2017 Standard Specification para sa Xylene P-Xylene Raw Materials

1.4 Please refer to current OSHA regulations, the supplier’s Safety Data Sheet (SDS), and local regulations for all materials used in this specification.

1.5 The international standard is based on internationally recognized standardization principles established in the “Desisyon sa Mga Prinsipyo para sa Pag unlad ng Internasyonal na Pamantayan, Mga Patnubay at Rekomendasyon” inisyu ng Committee on Technical Barriers to Trade (TBT) ng World Trade Organization.