BS EN 12176:1998
Current
The latest, up-to-date edition.
Characterization of sludge. Determination of pH value
Hardcopy , PDF
English
15-06-1998
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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.
| Committee |
EH/5
|
| DevelopmentNote |
Supersedes 95/521791 DC. (08/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NEN EN 12176 : 1998 | Identical |
| UNI EN 12176 : 2000 | Identical |
| SN EN 12176 : 1998 | Identical |
| EN 12176:1998 | Identical |
| NF EN 12176 : 1998 | Identical |
| UNE-EN 12176:1998 | Identical |
| NBN EN 12176 : 1998 | Identical |
| I.S. EN 12176:1998 | Identical |
| NS EN 12176 : 1ED 1998 | Identical |
| DIN EN 12176:1998-06 | Identical |
| ISO 10390:2005 | Soil quality Determination of pH |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| DIN 19266:2015-05 | PH MEASUREMENT - REFERENCE BUFFER SOLUTIONS FOR THE CALIBRATION OF PH MEASURING EQUIPMENT |
| ISO 10523:2008 | Water quality — Determination of pH |
| BS 1647-2:1984 | pH measurement Specification for reference value standard solutions and operational reference standard solutions |
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