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BS EN ISO 7027-1:2016

Water quality. Determination of turbidity-Quantitative methods

standard by British Standard / European Standard / International Organization for Standardization , 02/26/2019

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Identical Versions Available

ISO 7027-1:2016

June 2016
Water quality - Determination of turbidity - Part 1: Quantitative methods
- This is the most recent version of this document.

Full Description

BS EN ISO 7027-1:2016 specifies two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water:

nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example drinking water);
turbidimetry, procedure for measurement of the attenuation of a radiant flux, more applicable to highly turbid waters (for example waste waters or other cloudy waters).

Turbidities measured according to the first method are presented as nephelometric turbidity units (NTU). The results typically range between <0,05 NTU and 400 NTU. Depending on the instrument design, it can also be applicable to waters of higher turbidity. There is numerical equivalence of the units NTU and formazin nephelometric unit (FNU).

Turbidity measured by the second method is expressed in formazin attenuation units (FAU), results typically range between 40 FAU and 4,000 FAU.

Cross References:
CIE Publication No. 17
ISO 5725-1
ISO 5725-2
ISO 3864-1

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:: 02/26/2019
ISBN(s):: 9780539037593, 9780580819612
Number of Pages:: 18
File Size:: 1 file , 790 KB
Same As:: ISO 7027-1:2016
Product Code(s):: 30390719, 30390719, 30278134
Note:: This product is unavailable in Ukraine, Russia, Belarus

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