04/30098099 DC : DRAFT APR 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ISO 16232-7 - ROAD VEHICLES - CLEANLINESS OF COMPONENTS OF FLUID CIRCUITS - PART 7: PARTICLES SIZING AND COUNTING BY MICROSCOPIC ANALYSIS
29-06-2007
23-11-2012
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Equipment or apparatus
5.1 Equipment for the preparation of membrane filters
5.1.1 Membrane
5.1.2 Filter holder
5.1.3 Source of rinsing fluid
5.1.4 Sputtering equipment
5.2 Analysis equipment
5.2.1 General
5.2.2 Light microscopes
5.2.3 Scanning electron microscope
5.3 Image analysis
5.4 Motorised sample stage
5.5 Multiple image analysis
5.6 Environmental conditions
6 Calibration
7 Procedure
7.1 Conditioning of equipment
7.2 Preparation of the filter membrane
7.2.1 General
7.2.2 Sample preparation
7.2.3 Separation of particles by vacuum filtration
7.2.4 Validation
7.3 Particle sizing and counting procedure
7.3.7 Automated counting
8 Expression of results
Annex A (informative) Filtration
A.1 Filtration connected to the extraction equipment
A.2 Separate filtration
Annex B (informative) Field scanning
Annex C (informative) Particles counting an the margin
Annex D (informative) Multiple image analysis with a SEM
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