ISO 7027-2:2019
Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
- Standard No.
- ISO 7027-2:2019
- Release Date
- 2019
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 7027-2:2019
- Scope
- 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.
ISO 7027-2:2019 Referenced Document
- CIE S 017/E ILV: International Lighting Vocabulary, 2nd Edition*， 2020-12-01 Update
ISO 7027-2:2019 history
- 2019 ISO 7027-2:2019 Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
