ASTM D 6698 : 2014 : REDLINE
Current
The latest, up-to-date edition.
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water (Withdrawn 2023)
English
05-01-2014
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 11.01, 2017 Pertains to the on-line measurement of turbidity under 5 nephelometric turbidity units (NTU) in water.
| Committee |
D 19
|
| DevelopmentNote |
Supersedes ASTM D 1889. (07/2007)
|
| DocumentType |
Redline
|
| Pages |
14
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
1.1This test method is applicable to the on-line measurement of turbidity under 5 nephelometric turbidity units (NTU) in water.
1.2It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.
1.3In this test method calibration standards are defined in NTU values, but other assigned turbidity units are assumed to be equivalent.
1.4This 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.
1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6This 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.
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