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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
03-15-1995
11-23-2012
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
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