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ASTM-D1126:2012 Edition

ASTM-D1126:2012 Edition

$35.75

D1126-12 Standard Test Method for Hardness in Water

Published By Publication Date Number of Pages
ASTM 2012 4
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1.1 This test method covers the determination of hardness in water by titration. This test method is applicable to waters that are clear in appearance and free of chemicals that will complex calcium or magnesium. The lower detection limit of this test method is approximately 2 to 5 mg/L as CaCO 3 ; the upper limit can be extended to all concentrations by sample dilution. It is possible to differentiate between hardness due to calcium ions and that due to magnesium ions by this test method.

1.2 This test method was tested on reagent water only. It is the user’s responsibility to ensure the validity of the test method for waters of untested matrices.

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

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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
Significance and Use
Interferences
2 Reagents
Sampling
Procedure
TABLE 1
3 Calculations
Precision and Bias
4 Quality Control (QC)
Keywords
TABLE 2

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