ASTM D4481-97

ASTM D4481-97 - 1.1.1997

1. Scope

1.1 This test method covers the determination of nickel in fresh alumina-base catalysts and has been cooperatively tested at nickel concentrations from 2.5 to 60 weight %, expressed as nickel oxide (NiO).

1.2 This standard does not purport to address all of the safety concerns, 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 its use.

2. Referenced Documents

E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
D7442-22	Standard Practice for Sample Preparation of Fluid Catalytic Cracking Catalysts, Catalytic Materials, and Zeolites for Elemental Analysis by Inductively Coupled Plasma Optical Emission Spectroscopy
D1193-24	Standard Specification for Reagent Water
E456-13a(2022)e1	Standard Terminology Relating to Quality and Statistics (Includes all amendments and changes 4/16/2024).
E177-26a	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Includes all amendments and changes 5/14/2026).
E105-21	Standard Guide for Probability Sampling of Materials