ASTM E694 - 99(2010)

    Standard Specification for Laboratory Glass Volumetric Apparatus

    Active Standard ASTM E694 | Developed by Subcommittee: E41.01

    Book of Standards Volume: 14.04


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    Abstract

    This specification covers general requirements for laboratory glass volumetric apparatus of Class A and B. The volumetric apparatus shall be manufactured from glass of suitable chemical and thermal properties, and shall be as free as possible from visible defects. Glasswares with a flat base shall stand firmly without rocking when placed on a level surface. For those requiring stoppers and stopcocks, glass stoppers shall be interchangeable while plastic stoppers used as alternative to glass ones shall be of inert plastic material. Stopcocks, on the other hand, shall permit smooth and precise control of outflow. Glasswares shall have clean, permanent graduation lines of uniform thickness confined to the cylindrical portions of their cross section, with the graduations lines being of Pattern I, II, or III and the unit of volume being cubic centimetre. Units of cubic decimeter or cubic millimetre may be used in special cases; however, only one unit of volume shall be used on the same piece of apparatus. Aside from graduation lines, the glassware shall bear inscriptions of the capacity, the temperature at which it is to be used, the method of use (whether to contain or to deliver), and for those that deliver though an outflow nozzle, the time required to empty the total nominal capacity with unrestricted outflow. Per service requirement, additional provisions may be specified as well.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers general requirements common to glass volumetric apparatus. Specific dimensions and tolerances for applicable instruments are given in other specifications as cited throughout this specification. Glass must conform to Specifications E438 and be calibrated in accordance with Practice E542.

    1.1.1 Class AEach instrument shall be marked with the letter A to signify compliance with applicable construction and accuracy requirements. Instruments may be marked with an identification marker (serial number) at the option of the manufacturer.

    1.1.2 Class BGeneral purpose instruments are of the same basic design as Class A. However, volumetric tolerances for Class B instruments shall be within twice the specified range allowed for Class A unless otherwise specified.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C188 Test Method for Density of Hydraulic Cement

    E237 Specification for Laboratory Glass Microvolumetric Vessels (Volumetric Flasks and Centrifuge Tubes)

    E287 Specification for Laboratory Glass Graduated Burets

    E288 Specification for Laboratory Glass Volumetric Flasks

    E438 Specification for Glasses in Laboratory Apparatus

    E542 Practice for Calibration of Laboratory Volumetric Apparatus

    E671 Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus

    E675 Specification for Interchangeable Taper-Ground Stopcocks And Stoppers

    E676 Specification for Interchangeable Taper-Ground Joints

    E788 Specification for Pipet, Blood Diluting

    E911 Specification for Glass Stopcocks with Polytetrafluoroethylene (PTFE) Plugs

    E969 Specification for Glass Volumetric (Transfer) Pipets

    E1045 Specification for Pipet, Sahli Hemoglobin

    E1272 Specification for Laboratory Glass Graduated Cylinders

    E1878 Specification for Laboratory Glass Volumetric Flasks, Special Use


    UNSPSC Code

    UNSPSC Code 41121510(Volumetric pipettes)


    DOI: 10.1520/E0694-99R10

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