The ASTM D7124 standard 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 number used when expressing the specification according to the rounding method of practice E29.
abstraction

The specification includes benzene for zeolite-based catalysts. Tests shall be carried out in accordance with the following test methods to determine the performance requirements of benzene: % benzene by weight; Sulfur quality; Thiophene quality; Toluene quality; % non-aromatic by weight; Nitrogen quality; Pickling color; Bromine index, water and appearance.

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 D7124-2017 Standard Specification for Benzene Used with Zeolite-based Catalysts

Step 1: Scope

1.1 This specification includes benzene for use with zeolite-based catalysts.

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 considered standard. The values given in parentheses are for reference only.

ASTM D7124-2017 Standard Specification for Benzene Used with Zeolite-based Catalysts

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.