26-01r1.doc ASTM E 246 Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titration
26-02r1.doc ASTM E 465 Standard Test Methods for Determination of Manganese (IV) in Manganese Ores by Redox Titration
26-03r1.doc ASTM E 945 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Titrimetry
26-04r1.doc ASTM E 342 Standard Test Method for Determination of Chromium Oxide in Chrome Ores by Permanganate Titrimetry
26-05r2.doc ASTM E 1244 Standard Test Method for X-ray Fluorescence Analysis of Tantalite and Columbite Ores and Slags by a Lithium Tetraborate Fusion Technique Utilizing Internal Standards
26-06r1.doc ASTM E 400 Standard Test Method for Analysis of Ores, Minerals, and Rocks by the Fire Assay Preconcentration Atomic Emission Spectrometry