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ASTM D513-16
Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
Přeložit název
NORMA vydána dne 15.6.2016
Informace o normě:
Označení normy: ASTM D513-16
Poznámka: NEPLATNÁ
Datum vydání normy: 15.6.2016
Kód zboží: NS-641166
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D513-16 :
Keywords:
carbon dioxide (CO2), coulometry, gas-sensing electrode,, ICS Number Code 13.060.50 (Examination of water for chemical substances)
Doplňující informace
| Significance and Use | ||
|
4.1 Carbon dioxide is a respiration product of plants and animals and a decomposition product of organic matter and certain minerals. The atmosphere averages about 0.04 vol % of CO2. Surface waters generally contain less than 10 mg/L, except at local points of abnormal organic or mineral decomposition; however, underground water, particularly deep waters, may contain several hundred mg/L. 4.2 When dissolved in water, CO1.1 These test methods cover the measurement of total or dissolved carbon dioxide present as carbon dioxide (CO
|
Range |
Sections |
|
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.
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