ASTM E342-99
Historical Standard: ASTM E342-99 Standard Test Method for Chromium Oxide in Chrome Ores
SUPERSEDED (see Active link, below)
ASTM E342
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 (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
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E276 Test Method for Particle Size or Screen Analysis at No. 4 (4.75-mm) Sieve and Finer for Metal-Bearing Ores and Related Materials
E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory
Keywords
chromium ores; chromium oxide content; permanganate titrimetry; titrimetry; Chrome ores; Chromium oxide content; Permanganate process
ICS Code
ICS Number Code 73.060.30 (Chromium ores)
DOI: 10.1520/E0342-99
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