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ASTM International - ASTM D6698-12

Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water

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Organization: ASTM International
Publication Date: 1 June 2012
Status: inactive
Page Count: 10
ICS Code (Examination of physical properties of water): 13.060.60
significance And Use:

5.1 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 of... View More

scope:

1.1 This test method is applicable to the on-line measurement of turbidity under 5 nephelometric turbidity units (NTU) in water.

1.2 It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.

1.3 In this test method calibration standards are defined in NTU values, but other assigned turbidity units are assumed to be equivalent.

1.4 This test method assigns traceable reporting units to the type of respective technology that was used to perform the measurement. Units are numerically equivalent with respect to the calibration standard. For example, a 1 NTU formazin standard is also equal to a 1 FNU (formazin nephelometric units) standard, a 1 FNRU (formazin nephelometric ratio units) standard, and so forth.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 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.

Document History

March 15, 2014
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
5.1 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 of...
ASTM D6698-12
June 1, 2012
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
5.1 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 of...
June 15, 2007
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
1.1 This test method is applicable to the on-line measurement of turbidity under 5 nephelometric turbidity units (NTU) in water. 1.2 It is the user's responsibility to ensure the validity of this...
July 10, 2001
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
1.1 This test method is applicable to the on-line measurement of turbidity under 5 nephelometric turbidity units (NTU) in water. 1.2 It is the user's responsibility to ensure the validity of this...
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