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, appearance, chloride (if desired), color and distillation range.

This summary is a brief overview of the reference standards. It is for reference only and is not an official part of the standard; Reference is required to the full text of the standard itself for its use and application. ASTM makes no warranties of any kind, express or implied, and does not represent that the content of this abstract is accurate, complete or new.

ASTM D5211-2017 Standard Specification for Xylene P-Xylene Raw Materials

Step 1: Scope

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 Values expressed in SI units shall be regarded as standard values. The values given in parentheses are for reference only.

ASTM D5211-2017 Standard Specification for 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 “Decision on Principles for the Development of International Standards, Guidelines and Recommendations” issued by the Committee on Technical Barriers to Trade (TBT) of the World Trade Organization.