NS EN ISO 7027 : 2ED 1999
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF TURBIDITY
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling and samples
5 Semiquantitative methods of turbidity measurement
5.1 Measurement using the transparency testing
tube
5.2 Measurement using the transparency testing
disk
6 Quantitative methods of turbidity measurement
using optical turbidimeters
6.1 General principles
6.2 Reagents
6.3 Measurement of diffuse radiation
6.4 Measurement of attenuated radiation
Annex A (informative) Results of an interlaboratory
collaborative trial to evaluate the suitability
of a synthetic polymer for use as a secondary
standard to formazine in turbidity measurements
Bibliography
Defines four procedures for determining water turbidity.
| DevelopmentNote |
Supersedes NS ISO 7027. (04/2008)
|
| DocumentType |
Standard
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS EN ISO 7027:2000 | Identical |
| EN ISO 7027:1999 | Identical |
| UNE-EN ISO 7027:2001 | Identical |
| I.S. EN ISO 7027:2000 | Identical |
| DIN EN ISO 7027:2000-04 | Identical |
| SN EN ISO 7027 : 2000 | Identical |
| UNI EN ISO 7027 : 2003 | Identical |
| ISO 7027:1999 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.