ASTM D 1688 : 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard Test Methods for Copper in Water
Hardcopy , PDF
11-11-2014
English
01-09-2012
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
D 19
|
| DocumentType |
Test Method
|
| Pages |
10
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1These test methods cover the determination of copper in water by atomic absorption spectrophotometry. Three test methods are included as follows:
| Test Method | Concentration | |
| A—Atomic Absorption, Direct | 0.05 to 5 mg/L | |
| B—Atomic Absorption, Chelation-Extraction | 50 to 500 μg/L | |
| C—Atomic Absorption, Graphite Furnace | 5 to 100 μg/L |
1.2Either dissolved or total recoverable copper may be determined. Determination of dissolved copper requires filtration through a 0.45-μm (No. 325) membrane filter at the time of collection. In-line membrane filtration is preferable.
1.3The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are mathematical conversions and may not be exact equivalents; therefore, each system shall be used independently of the other.
1.4This 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 specific hazard statements, see Note 4, Note 6, Note 10, and Note 16.
1.5Three former photometric test methods were discontinued. Refer to Appendix X1 for historical information.
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