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NBN EN 12176 : 1998

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

CHARACTERIZATION OF SLUDGE - DETERMINATION OF PH-VALUE

Withdrawn date

31-01-2014

Published date

12-01-2013

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Foreword
0 Introduction
1 Scope
2 Normative references
3 Definitions
    3.1 pH value
    3.2 Standard buffer solutions
4 Principle
5 Interferences
6 Hazards
7 Reagents
8 Apparatus
9 Preparation of samples
    9.1 Sample preservation
    9.2 Preparation of liquid sludge samples
    9.3 Preparation of paste-like and solid sludges
10 Measurement of pH-value
    10.1 pH meter set up and standardization
    10.2 Measurements
11 Expression of results
12 Test report
Annex A (normative) primary pH-standard reference solutions
(according to ISO 10523)
Annex B (informative) Bibliographical references

Covers the sludges, i.e. and sludges products from storm water handling, night soil, urban wastewater collecting systems, urban wastewater treatment plants, treating of industrial wastewater similar to urban waste water, water supply treatment plants, and water distribution systems. Does not include hazardous sludges from industry. Applies to determination of pH values of sludges, including liquid, paste-like or solid matter.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Withdrawn

Standards Relationship
EN 12880:2000 Identical
I.S. EN 12176:1998 Identical
BS EN 12176:1998 Identical
UNE-EN 12176:1998 Identical
DIN EN 12176:1998-06 Identical
UNI EN 12176 : 2000 Identical
EN 12176:1998 Identical

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