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ISO 7027 - Water Quality - Determination of Turbidity
December 15, 1999 - ISO

This International Standard specifies four methods for the determination of turbidity of water. Two semiquantitative methods, employed for example in field work, are specified: a) measurement of turbidity using the transparency testing tube (applicable to pure and lightly...

DS/EN ISO 7027-1 - Water quality – Determination of turbidity – Part 1: Quantitative methods
July 5, 2016 - DS

ISO 7027-1:2016 specifies two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water: a) nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example drinking...

ISO 7027-1 - Water quality - Determination of turbidity - Part 1: Quantitative methods
June 15, 2016 - ISO

This part of ISO 7027 specifies two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water: a) nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example...

ASTM D1889 - Standard Test Method for Turbidity of Water
July 10, 2000 - ASTM

1. Scope 1.1 This test method covers the determination of turbidity in water and wastewater. 1.2 This test method is applicable to the measurement of turbidities in the range from 1.0 to 40 nephelometric turbidity units (NTU). 1.3 Higher turbidities may be...

DIN EN ISO 7027-1 - Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016)
November 1, 2016 - DIN

This part of ISO 7027 specifies two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water: a) nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example...

ASTM D6855-03 - Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
January 10, 2003 - ASTM International

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...

ASTM D6855-17 - Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
November 1, 2017 - ASTM International

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 is often accomplished by coagulation, settling, and filtration....

ASTM D6855-10 - Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
June 15, 2010 - ASTM International

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...

ASTM D6698-14 - Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water (Withdrawn 2023)
March 15, 2014 - ASTM International

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 suspended matter is accomplished by coagulation, settling, and...

ASTM D6698-12 - Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
June 1, 2012 - ASTM International

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 suspended matter is accomplished by coagulation, settling, and...

ASTM D7725-12 - Standard Test Method for the Continuous Measurement of Turbidity Above 1 Turbidity Unit (TU)
January 1, 2012 - ASTM International

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 suspended matter is accomplished by coagulation, settling, and filtration...

ASTM D7725-17 - Standard Test Method for the Continuous Measurement of Turbidity Above 1 Turbidity Unit (TU)
December 15, 2017 - ASTM International

4.1 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 suspended matter is accomplished by coagulation, settling, and...

ASTM D6855 - Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
November 1, 2017 - ASTM

This test method covers the static determination of turbidity in water (see 4.1). This test method is applicable to the measurement of turbidities under 5.0 nephelometric turbidity units (NTU). This test method was tested on municipal drinking water,...

ASTM D6855-12 - Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
June 1, 2012 - ASTM International

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...

NSF 62 - Drinking Water Distillation Systems
April 30, 2020 - NSF

This Standard establishes minimum materials, design and construction, and performance requirements for point-of-use (POU) and point-of-entry (POE) drinking water distillation systems and the components used in these systems. Distillation systems covered by this Standard are designed...

ASTM D7726-11(2016)e1 - Standard Guide for The Use of Various Turbidimeter Technologies for Measurement of Turbidity in Water
November 1, 2016 - ASTM International

5.1 Turbidity is a measure of scattered light that results from the interaction between a beam of light and particulate material in a liquid sample. Particulate material is typically undesirable in water from a health perspective and its removal is often required when the water...

ASTM D7937-15(2023) - Standard Test Method for In-situ Determination of Turbidity Above 1 Turbidity Unit (TU) in Surface Water
July 1, 2023 - ASTM International

5.1 Turbidity is monitored to help control processes, monitor the health and biology of aquatic environments and to determine the impact of environmental events such as storms, floods, runoff, etc. Turbidity is undesirable in drinking water, plant-effluent waters,...

ASTM D7726-11 - Standard Guide for The Use of Various Turbidimeter Technologies for Measurement of Turbidity in Water
May 1, 2011 - ASTM International

Turbidity is a measure of scattered light that results from the interaction between a beam of light and particulate material in a liquid sample. Particulate material is typically undesirable in water from a health perspective and its removal is often required when the water is...

ASTM D7726 - Standard Guide for The Use of Various Turbidimeter Technologies for Measurement of Turbidity in Water
May 1, 2011 - ASTM

This guide covers the best practices for use of various turbidimeter designs for measurement of turbidity in waters including: drinking water, wastewater, industrial waters, and for regulatory and environmental monitoring. This guide covers both continuous and static...

ASTM D7937-15 - Standard Test Method for In-situ Determination of Turbidity Above 1 Turbidity Unit (TU) in Surface Water
January 1, 2015 - ASTM International

5.1 Turbidity is monitored to help control processes, monitor the health and biology of aquatic environments and to determine the impact of environmental events such as storms, floods, runoff, etc. Turbidity is undesirable in drinking water, plant-effluent waters,...

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