ASTM D4642-92(1998)
Historical Standard: ASTM D4642-92(1998) Standard Test Method for Platinum in Reforming Catalysts by Wet Chemistry
SUPERSEDED (see Active link, below)
ASTM D4642
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D1193 Specification for Reagent Water
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E288 Specification for Laboratory Glass Volumetric Flasks
E456 Terminology Relating to Quality and Statistics
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
U.S. Federal Specification
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.Keywords
platinum; precious-metal; reforming catalyst; spectrophotometric; Zeolite catalysts; Alumina; Catalysts/catalyst carriers; Color--petroleum products; Platinum content; Platinum (cracking) catalysts; Spectrophotometry--absorption; Substrates
ICS Code
ICS Number Code 71.040.30 (Chemical reagents)
DOI: 10.1520/D4642-92R98
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