International Standard
ISO 7027-2:2019
Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
Reference number
ISO 7027-2:2019
Edición 1
2019-01
© ISO 2024
International Standard
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Publicado (Edición 1, 2019)

ISO 7027-2:2019

Formato
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CHF 63
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Resumen

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.

Informaciones generales

  • Estado
     : Publicado
    Fecha de publicación
     : 2019-01
    Etapa
    : Norma Internacional en proceso de revisión sistemática [90.20]
  • Edición
     : 1
    Número de páginas
     : 12
  • Comité Técnico :
    ISO/TC 147/SC 2
    ICS :
    13.060.60 
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