ASTM D 4841 : 1988 : R2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
Hardcopy , PDF
11-11-2014
English
10-08-2003
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 11.01, 2017 Defines the means of estimating the period of time during which a water sample can be stored after collection and preservation without significantly affecting the accuracy of analysis.
| Committee |
D 19
|
| DevelopmentNote |
Supersedes ASTM D 4515 (09/2006)
|
| DocumentType |
Standard Practice
|
| Pages |
6
|
| ProductNote |
Reconfirmed 2003
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1 This practice covers the means of estimating the period of time during which a water sample can be stored after collection and preservation without significantly affecting the accuracy of analysis.
1.2 The maximum holding time is dependent upon the matrix used and the specific analyte of interest. Therefore, water samples from a specific source must be tested to determine the period of time that sample integrity is maintained by standard preservation practices.
1.3 In the event that it is not possible to analyze the sample immediately at the time of collection, this practice does not provide information regarding degradation of the constituent of interest or changes in the matrix that may occur from the time of sample collection to the time of the initial analysis.
1.4 This standard does not purport to address all of the safety problems, 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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