ISO-7027-2 › Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters
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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), see Clause 4;
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), see 5.1;
c) 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.
To find similar documents by classification:
13.060.60 (Examination of physical properties of water)
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Document Number
ISO 7027-2:2019
Revision Level
1ST EDITION
Status
Current
Publication Date
Jan. 1, 2019
Committee Number
ISO/TC 147/SC 2