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Full Description

SAME AS ISO 7027-2

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.

 

Document History

  1. DANSK DSF/FPREN ISO 7027-2


    Water quality – Determination of turbidity – Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/FDIS 7027-2:2018)

    • Historical Version
  2. DANSK DSF/PREN ISO 7027-2


    Water quality – Determination of turbidity – Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/DIS 7027-2:2017)

    • Historical Version
  3. DANSK DS/EN ISO 7027-2

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    Water quality – Determination of turbidity – Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019)

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