ASTM D 6919 : 2017 : REDLINE
Current
The latest, up-to-date edition.
Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
English
21-06-2017
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 11.02, 2017 Specifies the simultaneous determination of the inorganic alkali and alkaline earth cations, lithium, sodium, potassium, magnesium, and calcium, as well as the ammonium cation in reagent water, drinking water, and wastewaters by suppressed and nonsuppressed ion chromatography.
| Committee |
D 19
|
| DevelopmentNote |
Supersedes ASTM UOP 959. (09/2013)
|
| DocumentType |
Redline
|
| Pages |
13
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1This test method is valid for the simultaneous determination of the inorganic alkali and alkaline earth cations, lithium, sodium, potassium, magnesium, and calcium, as well as the ammonium cation in reagent water, drinking water, and wastewaters by suppressed and nonsuppressed ion chromatography.
1.2The anticipated range of the test method is 0.05–200 mg/L. The specific concentration ranges tested for this test method for each cation were as follows (measured in mg/L):
| Lithium | 0.4–10.0 |
| Sodium | 4.0–40.0 |
| Ammonium | 0.4–10.0 |
| Potassium | 1.2–20.0 |
| Magnesium | 2.4–20.0 |
| Calcium | 4.0–40.0 |
1.2.1The upper limits may be extended by appropriate dilution or by the use of a smaller injection volume. In some cases, using a larger injection loop may extend the lower limits. It is the responsibility of the user to ensure the validity of this test method for concentrations if the range is extended.
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4It is the user’s responsibility to ensure the validity of these test methods for waters of untested matrices.
1.5This 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. For hazards statements specific to this test method, see 8.3.
1.6This 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.
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