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  • UNI EN ISO 648 : 2009

    Current The latest, up-to-date edition.

    LABORATORY GLASSWARE - SINGLE-VOLUME PIPETTES

    Available format(s): 

    Language(s): 

    Published date:  27-01-2009

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Basis of adjustment
       4.1 Unit of volume
       4.2 Delivery volume
       4.3 Reference temperature
    5 Types and classes of accuracy
       5.1 Classes of accuracy
       5.2 Types of single-volume pipette
    6 Maximum permissible errors
    7 Construction
       7.1 Material
       7.2 Shape
       7.3 Bulb
       7.4 Dimensions
       7.5 Top of pipette
       7.6 Delivery jet
       7.7 Delivery time
       7.8 Waiting time
    8 Graduation line(s)
    9 Setting of the meniscus
    10 Marking
    11 Visibility of graduation lines, figures
       and inscriptions
    12 Colour coding
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes metrological and constructional requirements for volumetric pipettes with one mark (total delivery) and for volumetric pipettes with two marks, both of which are adequate for general laboratory purposes.

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

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current

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

    ISO 4794:1982 Laboratory glassware Methods for assessing the chemical resistance of enamels used for colour coding and colour marking
    ISO 835:2007 Laboratory glassware — Graduated pipettes
    ISO 384:2015 Laboratory glass and plastics ware Principles of design and construction of volumetric instruments
    ISO 1769:1975 Laboratory glassware Pipettes Colour coding
    ISO 8655-2:2002 Piston-operated volumetric apparatus Part 2: Piston pipettes
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    ISO 719:1985 Glass Hydrolytic resistance of glass grains at 98 degrees C Method of test and classification
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