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ASTM
D4382-18
Standard Test Method for Barium in Water, Atomic Absorption Spectrophotometry, Graphite Furnace
2018
5
ASTM Vol.11.01 (2023)
This test method covers the determination of dissolved and total recoverable barium in most waters and wastewaters. This test method was evaluated in the range from 33.5 to 132 μg/L of barium. The range can be increased or decreased by varying the volume of sample injected or the instrumental settings. High concentrations may be diluted but preferably should be analyzed by direct aspiration atomic absorption spectrophotometry...