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ASTM
D6071-14(2022)
Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
2022
5
ASTM Vol.11.01 (2023)
This test method covers the determination of trace sodium in high purity water. The method range of concentration is 1 to 40 μg/L sodium. The analyst may extend the range once its applicability has been ascertained. NOTE 1: It is necessary to perform replicate analysis and take an average to accurately determine values at the lower end of the stated range...