BS EN ISO 7027-2:2019

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Water quality. Determination of turbidity – Semi-quantitative methods for the assessment of transparency of waters

Published By	Publication Date	Number of Pages
BSI	2019	20

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Categories: 13.060.60 - Examination of physical properties of water, BSI

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Description

This document specifies the following semi-quantitative methods for the assessment of transparency of waters:

measurement of visual range using the transparency testing tube (applicable to transparent and slightly cloudy water), see Clause 4;
measurement of visual range in the upper water layers using the transparency testing disc (especially applicable to surface, bathing water, waste water and often used in marine monitoring), see 5.1;
measurement of visibility by divers in a destined depth, see 5.2.

NOTE The quantitative methods using optical turbidimeters or nephelometers are described in ISO 7027‑1.

Additional information

Status	Confirmed
Pages	20
Publication Date	2019-02-26
ISBN	978 0 580 94570 0
Standard Number	BS EN ISO 7027-2:2019
Title	Water quality. Determination of turbidity – Semi-quantitative methods for the assessment of transparency of waters
Identical National Standard Of	ISO 7027-2:2019, EN ISO 7027-2:2019
Replaces	BS EN ISO 7027:2000
Descriptors	Turbidity, Potable water, Testing conditions, Water resources, Water supply, Water pollution, Optical measurement, Water, Dispersions (chemical), Surface water, Quality, Turbidimetry, Water testing, Photometry (chemical analysis), Chemical analysis and testing, Wastes, Sewage, Precision, Test equipment, Effluents (sewage)
Publisher	BSI
Committee	EH/3/2
ICS Codes	13.060.60 - Examination of physical properties of water

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BS EN ISO 7027-2:2019

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