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ISO 7027-2:2019
Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
Translate name
STANDARD published on 18.1.2019
The information about the standard:
Designation standards: ISO 7027-2:2019
Publication date standards: 18.1.2019
SKU: NS-910983
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 7027-2:2019 :
Description / Abstract: 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.
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