ASTM D5136-2019 High Purity Standard Specification for P-Xylene

abstraction

This specification defines the requirements for paraxylene. The sample shall meet the following physical and chemical characteristics: minimum purity; Maximum m-xylene content; Maximum o-xylene content; Maximum sulfur content; Maximum toluene content; Maximum ethylbenzene content; Maximum non-aromatic content; To appear; Color (Pt/Co ratio); Distillation range; And maximum pressure.

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 D5136-2019 High Purity Standard Specification for P-Xylene

Step 1: Scope

1.1 This specification includes high purity paraxylene.

1.2 The following applies to all stated limits in this specification: In order to determine consistency with this specification, observed or calculated values should be “rounded” to “nearest unit” in the last right-handed digit used in the expression of the specification in accordance with the rounding method of Practice E29.

1.3 Values expressed in SI units shall be regarded as standard values. No other units of measurement are included in this standard.

ASTM D5136-2019 High Purity Standard Specification for P-Xylene

1.4 Please refer to the current OSHA regulations, the supplier’s safety data sheet, 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.

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