I.S. EN 12176:1998
Withdrawn
CHARACTERIZATION OF SLUDGE - DETERMINATION OF PH-VALUE
Hardcopy , PDF
English
07-24-1998
10-16-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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
Applies to the determination of pH values of sludges which include liquid, paste-like or solid matter.
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NEN EN 12176 : 1998 | Identical |
| BS EN 12176:1998 | Identical |
| EN 12176:1998 | Identical |
| NF EN 12176 : 1998 | Identical |
| NBN EN 12176 : 1998 | Identical |
| NS EN 12176 : 1ED 1998 | Identical |
| UNE-EN 12176:1998 | Identical |
| DIN EN 12176:1998-06 | Identical |
| DIN 19263:2007-05 | pH-measurement - pH measuring chains |
| 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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