BS 6068-5.9(1990) : 1990 AMD 8456
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
15-03-1995
23-11-2012
National foreword
Committees responsible
Method
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Validity of results
10 Test report
Annexes
A Determination of the nitrifying activity of an
activated sludge
B Example for preparation of the test
C 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.