ASTM-E815 Standard Test Method for Determination of Calcium Fluoride in Fluorspar by EDTA Complexometric Titrimetry

ASTM-E815 - 2017B EDITION - CURRENT
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Standard Test Method for Determination of Calcium Fluoride in Fluorspar by EDTA Complexometric Titrimetry
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Scope

1.1 This test method covers the determination of calcium fluoride in acid-grade fluorspar and other types of fluorspar that can be rendered soluble by the procedure described in the test method.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This test method has been evaluated in accordance with Practice E1601 and Guide E1763. Unless otherwise noted in the precision and bias section, the lower limit in the scope of each method specifies the lowest analyte content that may be analyzed with acceptable error (defined as a nominal 5 % risk of obtaining a 50 % or larger relative difference in results on the same test sample in two laboratories).

1.4 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.

1.5 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.

Keywords

calcium content; calcium fluoride content; complexometric titrimetry; fluorspar; soluble calcium content;; ICS Number Code 73.080 (Non-metalliferrous minerals)

To find similar documents by ASTM Volume:

03.05 (Analytical Chemistry for Metals, Ores, and Related Materials: E 32 - latest)

To find similar documents by classification:

73.080 (Non-metalliferous minerals Including mica, fluorspar, etc. Industrial diamonds, see 25.100 Precious and semi-precious stones, see 39.060)

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Document Number

ASTM-E815-17b

Revision Level

2017B EDITION

Status

Current

Modification Type

Revision

Publication Date

Dec. 1, 2017

Document Type

Test Method

Page Count

4 pages

Committee Number

E01.02