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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
WATER QUALITY - BIOLOGICAL METHODS - METHOD FOR ASSESSING THE INHIBITION OF NITRIFICATION OF ACTIVATED SLUDGE MICRO-ORGANISMS BY CHEMICALS AND WASTE WATERS
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
Assessment method for the inhibitory effects, in the short-term, of test substances on nitrifying bacteria in activated sludge taken from domestic sewage. Applicable to waste waters and to non-volatile chemical substances soluble in water. Can be used with nitrifying activated sludge derived from domestic sewage. Coverage includes definitions, apparatus and procedure. Also includes detailed annexes. BS AMD 8456 RENUMBERS THIS STANDARD TO BS EN ISO 9509 KI
| Committee |
EPC/44
|
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 9509 Supersedes 88/52165 DC (09/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 9509:2006 | Identical |
| ISO 6107-3:1993 | Water quality Vocabulary Part 3: |
| ISO 6107-1:2004 | Water quality Vocabulary Part 1: |
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