• ASTM D 1126 : 1996

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Test Method for Hardness in Water

    Available format(s): 

    Superseded date:  11-11-2014

    Language(s): 

    Published date:  12-31-2010

    Publisher:  American Society for Testing and Materials

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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 CaCO3; 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 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.

    General Product Information - (Show below) - (Hide below)

    Committee D 19
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

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    ASTM C 375 : 1958 : R2016 Standard Classification of Water Used in Milling of Porcelain Enamel
    ASTM E 1116 : 1998 : R2014 Standard Test Method for Emulsification Characteristics of Pesticide Emulsifiable Concentrates
    ASTM D 3342 : 1990 : R2017 Standard Test Method for Dispersion Stability of New (Unused) Rolling Oil Dispersions in Water
    ASTM E 1673 : 1996 : R2017 Standard Test Method for Percent Suspensibility
    ASTM D 2946 : 2001 : R2018 Standard Terminology for Asbestos and Asbestos–Cement Products (Withdrawn 2022)
    ASTM D 4985 : 2010 : R2015 Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
    ASTM D 7518 : 2010 : R2015 : EDT 1 Standard Specification for 1,3 Propanediol (PDO) Base Engine Coolant for Automobile and Light-Duty Service
    ASTM D 3306 : 2019 Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
    ASTM D 7714 : 2011 : R2016 : EDT 1 Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service
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