PREN 13946 : DRAFT 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER QUALITY - GUIDANCE FOR THE ROUTINE SAMPLING AND PRETREATMENT OF BENTHIC DIATOMS FROM RIVERS AND LAKES
01-03-2014
12-01-2013
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Principle
4 Equipment
5 Reagents
6 Procedure
Annex A (informative) - Methods for cleaning diatoms
for microscopic examination
Bibliography
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.