• 13/30271019 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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    Superseded date:  31-03-2015

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee LBI/37
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    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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