I.S. EN 12176:1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
16-10-2013
English
24-07-1998
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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
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Withdrawn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 |
| UNI EN 12176 : 2000 | Identical |
| SN EN 12176 : 1998 | Identical |
| BS EN 12176:1998 | Identical |
| EN 12176:1998 | Identical |
| NF EN 12176 : 1998 | Identical |
| UNE-EN 12176:1998 | Identical |
| NBN EN 12176 : 1998 | Identical |
| NS EN 12176 : 1ED 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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