Turbidity is undesirable in drinking water, plant effluent waters, water for food and beverage processing, and for a large number of other water-dependent manufacturing processes. Removal is often accomplished by coagulation, settling, and filtration. Measurement of turbidity provides a rapid means of process control for when, how, and to what extent the water must be treated to meet specifications.
This test method is suitable to turbidity such as that found in drinking water, process water, and high purity industrial water.
1.1 This test method covers the static determination of turbidity in water (see 4.1).
1.2 This test method is applicable to the measurement of turbidities under 5.0 nephelometric turbidity units (NTU).
1.3 This test method was tested on municipal drinking water, ultra-pure water and low turbidity samples. It is the user''s responsibility to ensure the validity of this test method for waters of untested matrices.
1.4 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. Refer to the MSDSs for all chemicals used in this procedure.
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