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ASTM
D4841-88(2018)
Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
2018
6
ASTM Vol.11.01 (2023)
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. 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...