Norm

ASTM E815-11

Standard Test Method for Determination of Calcium Fluoride in Fluorspar by Complexometric Titrimetry

48,24

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie E01.02
Gepubliceerd op 01-09-2011
Taal Engels

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 and health practices and determine the applicability of regulatory limitations prior to use.

Details

ICS-code 73.080
Nederlandse titel Standard Test Method for Determination of Calcium Fluoride in Fluorspar by Complexometric Titrimetry
Engelse titel Standard Test Method for Determination of Calcium Fluoride in Fluorspar by Complexometric Titrimetry

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