ASTM D4642-92(1998)

ASTM D4642-92(1998) - 10.3.1998

1. Scope

1.1 This test method covers the determination of platinum in nonzeolitic, fresh reforming catalysts containing platinum as the only precious metal, in the range of concentration of 0.200 to 0.700 weight %.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
NNN-P-395C	Tolerance for Class A Pipets Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098.
D1193-24	Standard Specification for Reagent Water
E177-26a	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Includes all amendments and changes 5/14/2026).
E456-13a(2022)e1	Standard Terminology Relating to Quality and Statistics (Includes all amendments and changes 4/16/2024).
E288-10(2025)	Standard Specification for Laboratory Glass Volumetric Flasks