ASTM E342-99 - 10.11.1999
 
1. Scope

1.1 This test method covers the determination of chromium oxide (Cr 2 O 3 ) in chrome ores in the concentration range from 25 to 60%.

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 use.

 
2. Referenced Documents

E135-23a

Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).

E50-17

Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

D1193-06(2018)

Standard Specification for Reagent Water

E882-10(2016)e1

Standard Guide for Accountability and Quality Control in the Chemical Analysis Laboratory (Includes all amendments and changes 10/27/2017).

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