• ASTM D 1253 : 2014 : R2021 : EDT 1

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    Standard Test Method for Residual Chlorine in Water

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  12-06-2021

    Publisher:  American Society for Testing and Materials

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    1.1This test method covers the determination of residual chlorine in water by direct amperometric titration.

    1.2Within the constraints specified in Section 6, this test method is not subject to commonly encountered interferences and is applicable to most waters. Some waters, however, can exert an iodine demand, usually because of organic material, making less iodine available for measurement by this test method. Thus, it is possible to obtain falsely low chlorine readings, even though the test method is working properly, without the user's knowledge.

    1.3Precision data for this test method were obtained on estuary, inland main stem river, fresh lake, open ocean, and fresh cooling tower blowdown water. Bias data could not be determined because of the instability of solutions of chlorine in water. It is the user's responsibility to ensure the validity of the test method for untested types of water.

    1.4In the testing by which this standard was validated, the direct and back starch-iodide titrations and the amperometric back titration, formerly part of this standard, were found to be unworkable and were discontinued in 1986. Historical information is presented in Appendix X1.

    Note 1:Orthotolidine test methods have been omitted because of poor precision and accuracy.

    1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.6This 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.

    1.7This 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.

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

    Committee D 19
    Document Type Test Method
    Product Note ε1NOTE—The WTO caveat was added editorially in December 2021.
    Publisher American Society for Testing and Materials
    Status Current
    Supersedes

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

    ASTM D 5091 : 1995 : R2014 Standard Guide for Water Analysis for Electrodialysis/Electrodialysis Reversal Applications
    ASTM D 7285 : 2006 : R2017 Standard Guide for Recordkeeping Microfiltration and Ultrafiltration Systems
    ASTM F 2363/F2363M : 2017 Standard Specification for Sewage and Graywater Flow Through Treatment Systems
    ASTM D 6284 : 2017 Standard Test Method for Rubber Property—Effect of Aqueous Solutions with Available Chlorine and Chloramine
    ASTM D 4195 : 2008 : R2014 Standard Guide for Water Analysis for Reverse Osmosis and Nanofiltration Application
    ASTM D 1291 : 2017 Standard Practice for Estimation of Chlorine Demand of Water
    ASTM E 2635 : 2014 Standard Practice for Water Conservation in Buildings Through In-Situ Water Reclamation
    ASTM D 4472 : 2008 : R2014 Standard Guide for Recordkeeping for Reverse Osmosis and Nanofiltration Systems
    ASTM D 5131 : 1990 : R2014 Standard Guide for Record Keeping for Electrodialysis/Electrodialysis Reversal Systems

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 2777 : 2021 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
    ASTM D 2777 : 2013 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
    ASTM D 5847 : 2002 : R2020 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
    ASTM D 5847 : 2022 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
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