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1.1 These test methods cover the measurement of total or dissolved carbon dioxide present as carbon dioxide (CO2), carbonic acid, bicarbonate ion, and carbonate ion in water:
|Test Method A (Gas Sensing Electrode)||2 to 800 mg/L||8 to 15|
|Test Method B (CO2 Evolution, Coulometric Titration)||5 to 800 mg/L||16 to 24|
1.2 Carbon dioxide may also be detected from carbonates present in particulates in samples.
1.3 Test Method A is applicable to various natural waters and brines.
1.4 Test Method B is applicable to natural waters, brines, and various industrial waters as delineated in 16.4.
1.5 It is the user's responsibility to ensure the validity of these test methods on waters of untested matrices.
1.6 Several test methods were discontinued from this standard in 1988. Refer to Appendix X1 for historical information.
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1066 Practice for Sampling Steam
D1129 Terminology Relating to Water
D1193 Specification for Reagent Water
D1293 Test Methods for pH of Water
D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
D3370 Practices for Sampling Water from Closed Conduits
D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ICS Number Code 13.060.50 (Examination of water for chemical substances)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D513-11e1, Standard Test Methods for Total and Dissolved Carbon Dioxide in Water, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top