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Scope

1.1 This test method covers the determination of boron in water and wastewaters by the curcumin colorimetric-extraction method in concentrations between 0.1 and 1.0 mg/L. The range can be extended by dilution of the sample.

1.2 Only dissolved boron is determined. This test method requires that the water sample be filtered through a 0.45-[mu]m membrane filter before analysis.

1.3 This test method is a colorimetric method that is very sensitive to low concentrations of boron in water and requires a relatively small sample volume for analysis.

1.4 Precision and bias were obtained on natural and wastewaters. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.

1.5 This standard does not purpose 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.

Keywords

Boron content; Colorimetric analysis-water; Curcumin colorimetric-extraction method; Water-inorganic constituents; boron content-water/wastewaters, by curcumin colorimetric-extraction,; test

To find similar documents by ASTM Volume:

11.01 (Water (I))

To find similar documents by classification:

13.060.50 (Examination of water for chemical substances)

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