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  • BS 4400:1969

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Method for sodium chloride particulate test for respirator filters

    Available format(s):  Hardcopy, PDF

    Superseded date:  06-01-2003

    Language(s):  English

    Published date:  10-06-1969

    Publisher:  British Standards Institution

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

    Cooperating organizations
    Foreword
    Method
    1. Scope
    2. Description of apparatus
    3. Description of the method for respirator canister
        tests
    4. Assembly and adjustment
    5. The electronic apparatus
    6. Calibration
    7. Testing of air filters
    8. Notes on operation
    Appendix
    A. Ancillary apparatus
    Figures
    1. Flow diagram
    2. Stem
    3. Flange
    4. Nozzle
    5. Atomizer bottle
    6. Screwed ring
    7. Atomizer body assembly
    7a. Atomizer head assembly
    7b. Atomizer assembly
    7c. Evaporation tube
    8. Control cock
    9. Photo-multiplier, test tube and flame tube assembly
    10. Sodium chloride test apparatus, general arrangement
    11. Burner
    12. Flow restrictor
    13. Circuit diagram for E.H.T. unit
    14. Photo-electric sodium chloride apparatus circuit
        diagram
    15. Housing wiring details
    16. Dilution circuit for calibration
    17. Concentration v. deflection graph

    Abstract - (Show below) - (Hide below)

    Method of test for assessment of the protection afforded by respirator canisters against particulate clouds. An improvement over the test method in BS 2577 which is now obsolescent. The test method will also be used with modifications for testing face seal leakage of respirators as required by the revision of BS 2091.

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

    Committee PH/4
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 5243:1975 General principles for sampling airborne radioactive materials
    04/19981537 DC : DRAFT MARCH 2004 EN 14902 - AMBIENT AIR QUALITY - STANDARD METHOD FOR THE MEASUREMENT OF PB/CD/AS/NI IN AMBIENT AIR
    VDI 4207 Blatt 2:2016-07 Emission measurements at small firing installations - Measurements at installations for solid fuel
    BS 6410:1991 Methods of test for filter papers
    DEFSTAN 68-234/1(1994) : 1994 PAPER, GLASS FIBRE FOR PARTICULATE FILTRATION
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