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ASTM D 1067 : 2016

Current
Current

The latest, up-to-date edition.

Standard Test Methods for Acidity or Alkalinity of Water
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-06-2016

These test methods2 cover the determination of acidity or alkalinity of all types of water.

1.1These test methods2 cover the determination of acidity or alkalinity of all types of water. Three test methods are given as follows:

Sections

Test Method A (Electrometric Titration)

7 to 15

Test Method B (Electrometric or Color-Change Titration)

16 to 24

Test Method C (Color-Change Titration After Hydrogen
Peroxide Oxidation and Boiling)

25 to 33

1.2In all of these test methods the hydrogen or hydroxyl ions present in water by virtue of the dissociation or hydrolysis of its solutes, or both, are neutralized by titration with standard alkali (acidity) or acid (alkalinity). Of the three procedures, Test Method A is the most precise and accurate. It is used to develop an electrometric titration curve (sometimes referred to as a pH curve), which defines the acidity or alkalinity of the sample and indicates inflection points and buffering capacity, if any. In addition, the acidity or alkalinity can be determined with respect to any pH of particular interest. The other two methods are used to determine acidity or alkalinity relative to a predesignated end point based on the change in color of an internal indicator or the equivalent end point measured by a pH meter. They are suitable for routine control purposes.

1.3When titrating to a specific end point, the choice of end point will require a careful analysis of the titration curve, the effects of any anticipated changes in composition on the titration curve, knowledge of the intended uses or disposition of the water, and a knowledge of the characteristics of the process controls involved. While inflection points (rapid changes in pH) are usually preferred for accurate analysis of sample composition and obtaining the best precision, the use of an inflection point for process control may result in significant errors in chemical treatment or process control in some applications. When titrating to a selected end point dictated by practical considerations, (1) only a part of the actual neutralizing capacity of the water may be measured, or (2) this capacity may actually be exceeded in arriving at optimum acidity or alkalinity conditions.

1.4A scope section is provided in each test method as a guide. It is the responsibility of the analyst to determine the acceptability of these test methods for each matrix.

1.5Former Test Methods C (Color-Comparison Titration) and D (Color-Change Titration After Boiling) were discontinued. Refer to Appendix X4 for historical information.

1.6The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.7This 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.

Committee
D 19
DocumentType
Test Method
Pages
9
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

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ASTM D 5091 : 1995 : R2014 Standard Guide for Water Analysis for Electrodialysis/Electrodialysis Reversal Applications (Withdrawn 2023)
ASTM D 2946 : 2001 : R2018 Standard Terminology for Asbestos and Asbestos–Cement Products (Withdrawn 2022)
ASTM D 1293 : 2018 Standard Test Methods for pH of Water
ASTM E 1391 : 2003 : R2014 Standard Guide for Collection, Storage, Characterization, and Manipulation of Sediments for Toxicological Testing and for Selection of Samplers Used to Collect Benthic Invertebrates
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ASTM D 3370 : 1995 : REV A : R2003 : EDT 1 Standard Practices for Sampling Water from Closed Conduits
ASTM D 1129 : 2003 Standard Terminology Relating to Water
ASTM D 1129 : 2013 Standard Terminology Relating to Water
ASTM D 1129 : 2013 : R2020 Standard Terminology Relating to Water
ASTM D 5847 : 1999 : REV A : EDT 1 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 2777 : 2012 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 1129 : 2013 : R2020 : EDT 2 Standard Terminology Relating to Water
ASTM D 1193 : 1977 : R1983 : EDT 1 Standard Specification for Reagent Water
ASTM D 5847 : 2002 : R2007 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 1129 : 2006 Standard Terminology Relating to Water
ASTM D 2777 : 2003 Standard Practice for Determination of Precision and Bias of Applicable Methods of Committee D-19 on Water
ASTM D 2777 : 2021 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 1066 : 2018 Standard Practice for Sampling Steam
ASTM D 3370 : 2010 Standard Practices for Sampling Water from Closed Conduits
ASTM D 2777 : 2013 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 1066 : 2006 Standard Practice for Sampling Steam
ASTM D 5847 : 2002 : R2012 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 1066 : 2018 : EDT 1 Standard Practice for Sampling Steam
ASTM D 2777 : 1998 Standard Practice for Determination of Precision and Bias of Applicable Methods of Committee D-19 on Water
ASTM D 1129 : 2013 : R2020 : EDT 1 Standard Terminology Relating to Water
ASTM D 3370 : 2008 Standard Practices for Sampling Water from Closed Conduits
ASTM D 1129 : 1999 : REV A Standard Terminology Relating to Water
ASTM D 1129 : 2006 : REV A Standard Terminology Relating to Water
ASTM D 1193 : 2006 : R2011 Standard Specification for Reagent Water
ASTM D 5847 : 2002 : R2020 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 1129 : 2003 : REV A Standard Terminology Relating to Water
ASTM D 1129 : 2002 Standard Terminology Relating to Water
ASTM D 1066 : 1997 : R2001 Standard Practice for Sampling Steam
ASTM D 1293 : 1999 Standard Test Methods for pH of Water
ASTM D 596 : 1991 : R1995 Standard Guide for Reporting Results of Analysis of Water
ASTM E 200 : 2016 Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ASTM D 1193 : 1991 Standard Specification for Reagent Water
ASTM E 200 : 2023 Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ASTM D 1293 : 1999 : R2005 Standard Test Methods for pH of Water
ASTM D 1066 : 2011 Standard Practice for Sampling Steam
ASTM D 1129 : 2004 Standard Terminology Relating to Water
ASTM D 5847 : 2022 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 2777 : 2008 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 1293 : 2018 Standard Test Methods for pH of Water
ASTM D 2777 : 2006 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 3370 : 2018 Standard Practices for Sampling Water from Flowing Process Streams
ASTM D 1129 : 2002 : REV A Standard Terminology Relating to Water
ASTM D 5847 : 2002 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM D 3370 : 1976 Standard Practices for Sampling Water
ASTM D 1193 : 1970 Standard Specification For Reagent Water
ASTM D 1193 : 2006 Standard Specification for Reagent Water
ASTM D 3370 : 1995 : REV A : R1999 : EDT 1 Standard Practices for Sampling Water from Closed Conduits
ASTM D 1293 : 2012 Standard Test Methods for pH of Water
ASTM D 1193 : 1999 Standard Specification for Reagent Water
ASTM D 1129 : 2010 Standard Terminology Relating to Water
ASTM D 3370 : 2007 Standard Practices for Sampling Water from Closed Conduits
ASTM D 1129 : 2006 : REV A : EDT 1 Standard Terminology Relating to Water
ASTM D 1129 : 2001 Standard Terminology Relating to Water
ASTM D 1129 : 2004 : EDT 1 Standard Terminology Relating to Water
ASTM D 1193 : 2006 : R2018 Standard Specification for Reagent Water
ASTM D 2777 : 2008 : EDT 1 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 1293 : 1984 : R1990 Standard Test Methods for pH of Water

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