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13/30271019 DC : 0

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS ISO 27891 - AEROSOL PARTICLE NUMBER CONCENTRATION - CALIBRATION OF CONDENSATION PARTICLE NUMBER COUNTERS

Available format(s)

Hardcopy , PDF

Superseded date

03-31-2015

Language(s)

English

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Calibration using reference instruments - General
  principles
6 Calibration using an FCAE as reference instrument
7 Calibration using a CPC as reference instrument
8 Reporting of results
Annex A (informative) - CPC performance characteristics
Annex B (informative) - Effect of particle surface properties
        on the CPC detection efficiency
Annex C (informative) - Example calibration certificates
Annex D (normative) - Calculation of the CPC detection
        efficiency
Annex E (normative) - Procedures relating to multiply
        charged particles
Annex F (informative) - Traceability diagram
Annex G (informative) - Diluters
Annex H (normative) - Evaluation of the concentration bias
        correction factor between the inlets of the reference
        instrument and test CPC
Annex I (informative) - Extension of calibration range to
        lower concentrations
Annex J (informative) - Example of a detection efficiency
        measurement
Annex K (normative) - Volumetric flow rate calibration
Annex L (normative) - Testing the charge conditioner and
        the DEMC at maximum particle number concentration
Annex M (informative) - A recommended data recording
        method
Annex N (informative) - Uncertainty of detection efficiency
        due to particle size uncertainty
Annex O (informative) - Application of calibration results
Bibliography

BS ISO 27891

Committee
LBI/37
DocumentType
Draft
Pages
121
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

ISO 21501-1:2009 Determination of particle size distribution — Single particle light interaction methods — Part 1: Light scattering aerosol spectrometer
ISO 15900:2009 Determination of particle size distribution Differential electrical mobility analysis for aerosol particles

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