ASTM-D4841 Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents

ASTM-D4841 - 1988 R13(E1) EDITION - CURRENT
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Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
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Scope

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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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.

Keywords

degredation; estimation; holding time; storage limit; water; ICS Number Code 13.060.30 (Sewage water)

To find similar documents by ASTM Volume:

11.01 (Water (I))

To find similar documents by classification:

13.060.30 (Sewage water Including sewage water disposal and treatment Liquid wastes, see 13.030.20 Drainage systems, see 91.140.80 Sewage systems, see 93.030)

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Document Number

ASTM-D4841-88(2013)e1

Revision Level

1988 R13(E1) EDITION

Status

Current

Modification Type

Editorially changed

Publication Date

Aug. 15, 2013

Document Type

Practice

Page Count

6 pages

Committee Number

D19.02