DIN 38402-45:2003-04
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GERMAN STANDARD METHODS FOR THE EXAMINATION OF WATER, WASTE WATER AND SLUDGE - GENERAL INFORMATION (GROUP A) - PART 45: LABORATORY PROFICIENCY TESTING BY INTERLABORATORY COMPARISONS (A 45)
Hardcopy , PDF
07-03-2021
English
01-01-2003
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Foreword
Introduction
1 Scope
2 Normative references
3 Concepts
4 Symbols
5 Designation
6 Requirements relating to proficiency testing scheme
6.1 Coordinating body
6.2 Testing laboratory
6.3 Coordinator
6.4 Other staff
6.5 Confidentiality
6.6 Equipment
6.7 Documentation of quality system
6.8 Advisory group
7 Requirements relating to test participants
8 Design of proficiency test
8.1 Test specification
8.2 Sample selection
8.3 Parameter selection
8.4 Spiking
8.5 Number of participants
8.6 Number of samples
8.7 Replicate measurements and sample size
9 Procedure
9.1 General
9.2 Sample preparation
9.3 Stability and homogeneity testing
9.4 Prevention of collusion between participants
9.5 Analytical methods
9.6 Specification of conventional true value
9.7 Sample distribution
9.8 Communication with participants
10 Evaluation of interlaboratory tests
10.1 General requirements
10.2 General statistical evaluation procedure
10.3 Robust analysis
10.4 Variance function
10.5 z-scores
11 Expression of results
12 Archiving and managing the results
Annex A Example elucidating the principle behind the
Q-method of estimation
Annex B Example of evaluation in accordance with clause 10
Annex C Example of calculating the variance function
Explanatory notes
Bibliography
Gives the criteria relating to proficiency testing by interlaboratory comparisons.
| DevelopmentNote |
Suspended until publication of a revised English text, due to a new German edition. (06/2014)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| DIN 38402-41:1984-05 | GERMAN STANDARD METHODS FOR THE EXAMINATION OF WATER, WASTE WATER AND SLUDGE; GENERAL INFORMATION (GROUP A): INTER-LABORATORY TESTS; PLANNING AND ORGANIZATION (A 41) |
| DIN V 55394-2:2000-09 | PROFICIENCY TESTING BY INTERLABORATORY COMPARISONS - PART 2: SELECTION AND USE OF PROFICIENCY TESTING SCHEMES BY LABORATORY ACCREDITATION BODIES |
| DIN 38402-42:1984-05 | GERMAN STANDARD METHODS FOR THE EXAMINATION OF WATER, WASTE WATER AND SLUDGE; GENERAL INFORMATION (GROUP A); EVALUATION OF INTER-LABORATORY TESTS (A 42) |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| DIN V 55394-1:2000-09 | PROFICIENCY TESTING BY INTERLABORATORY COMPARISONS - PART 1: DEVELOPMENT AND OPERATION OF PROFICIENCY TESTING SCHEMES |
| ISO 3534-1:2006 | Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability |
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