ASTM E1568-93(1998)

ASTM E1568-93(1998) - 10.5.1998

1. Scope

1.1 This test method covers the determination of gold in activated carbon by fire assay collection and gravimetric measurement. It covers the range of 15 to 5000 [mu]g/g gold.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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. For specific hazards statements, see Section 9 and Notes 2 through 4 and 6 and 7.

2. Referenced Documents

E50-17	Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
D2867-23	Standard Test Methods for Moisture in Activated Carbon
D2866-11(2018)	Standard Test Method for Total Ash Content of Activated Carbon
D2862-16(2022)	Standard Test Method for Particle Size Distribution of Granular Activated Carbon
E276-21	Standard Test Method for Particle Size or Screen Analysis at 4.75 mm (No. 4) Sieve and Finer for Metal-Bearing Ores and Related Materials
E1601-19	Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
E300-03(2022)	Standard Practice for Sampling Industrial Chemicals
E173-93	Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997)
E882-10(2016)e1	Standard Guide for Accountability and Quality Control in the Chemical Analysis Laboratory (Includes all amendments and changes 10/27/2017).
E135-23a	Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).