ASTM E248-20 PDF

Scope: 1.1 This test method covers the determination of manganese in manganese ore in the range from 15 % 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM E248-20 Referenced Document

ASTM D1193 Standard Specification for Reagent Water
ASTM E135 Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E50 Standard Practice for Apparatus, Reagents, and safety Precautions for Chemical Analysis of Metals
ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E882 Standard Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

2020 ASTM E248-20 Standard Test Method for Determination of Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Titrimetry
2012 ASTM E248-12 Standard Test Method for Determination of Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Titrimetry
2007 ASTM E248-07 Standard Test Method for Determination of Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Titrimetry
2002 ASTM E248-02 Test Method for Determination of Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Titrimetry
1997 ASTM E248-97 Standard Test Method for Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Method