DIN 38402-45:2014-06
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 45: Interlaboratory comparisons for proficiency testing of laboratories (A 45)
Hardcopy , PDF
02-09-2024
German
01-06-2014
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 |
Supersedes DIN 38402 (07/2004)
|
DocumentType |
Standard
|
Pages |
31
|
PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
PREN 16087-2 : DRAFT 2010 | SOIL IMPROVERS AND GROWING MEDIA - DETERMINATION OF AEROBIC BIOLOGICAL ACTIVITY - PART 2: SELF HEATING TEST FOR COMPOST |
VDI 3405 Blatt 1.1:2017-08 (Draft) | Additive manufacturing processes - Laser sintering of polymer parts - Qualification of materials |
DIN EN ISO 23161:2011-10 | SOIL QUALITY - DETERMINATION OF SELECTED ORGANOTIN COMPOUNDS - GAS-CHROMATOGRAPHIC METHOD (ISO 23161:2009) |
10/30216669 DC : 0 | BS EN 16087-2 - SOIL IMPROVERS AND GROWING MEDIA - DETERMINATION OF AEROBIC BIOLOGICAL ACTIVITY - PART 2: SELF HEATING TEST FOR COMPOST |
ISO 23161:2009 | Soil quality Determination of selected organotin compounds Gas-chromatographic method |
BS EN 16695:2015 | Water quality. Guidance on the estimation of phytoplankton biovolume |
17/30333246 DC : 0 | BS EN ISO 23470 - SOIL QUALITY - DETERMINATION OF EFFECTIVE CATION EXCHANGE CAPACITY (CEC) AND EXCHANGEABLE CATIONS USING A HEXAMMINECOBALT TRICHLORIDE SOLUTION |
UNE-EN 16695:2016 | Water quality - Guidance on the estimation of phytoplankton biovolume |
I.S. EN 16695:2015 | WATER QUALITY - GUIDANCE ON THE ESTIMATION OF PHYTOPLANKTON BIOVOLUME |
UNI EN ISO 23161 : 2011 | SOIL QUALITY - DETERMINATION OF SELECTED ORGANOTIN COMPOUNDS - GAS-CHROMATOGRAPHIC METHOD |
I.S. EN ISO 23161:2011 | SOIL QUALITY - DETERMINATION OF SELECTED ORGANOTIN COMPOUNDS - GAS-CHROMATOGRAPHIC METHOD |
EN 16695:2015 | Water quality - Guidance on the estimation of phytoplankton biovolume |
17/30362321 DC : 0 | BS EN ISO 23161 - SOIL QUALITY - DETERMINATION OF SELECTED ORGANOTIN COMPOUNDS - GAS-CHROMATOGRAPHIC METHOD |
EN ISO 23161:2011 | Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2009) |
BS EN ISO 23161:2011 | Soil quality. Determination of selected organotin compounds. Gas-chromatographic method |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.