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Norm
ÖNORM EN ISO 7027-2
Issue date: 2019 06 15
Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019)
This document specifies the following semi-quantitative methods for the assessment of transparency of waters:
a) measurement of visual range using the transparency testi...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 18 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This document specifies the following semi-quantitative methods for the assessment of transparency of waters:
a) measurement of visual range using the transparency testing tube (applicable to transparent and slightly cloudy water),
b) 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),
c) measurement of visibility by divers in a destined depth.
ÖNORM EN ISO 7027-2
2019 06 15
Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of...
Norm
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Norm
Issue date :
2019 01 18
Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters