ASTM E1860 - 13(2018)

    Standard Test Method for Elapsed Time Calibration of Thermal Analyzers

    Active Standard ASTM E1860 | Developed by Subcommittee: E37.10

    Book of Standards Volume: 14.05

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    Significance and Use

    5.1 Most thermal analysis experiments are carried out under increasing temperature conditions where temperature is the independent parameter. Some experiments, however, are carried out under isothermal temperature conditions where the elapsed time to an event is measured as the independent parameter. Isothermal Kinetics (Test Methods E2070), Thermal Stability (Test Method E487), Oxidative Induction Time (OIT) (Test Methods D3895, D4565, D5483, E1858, and Specification D3350) and Loss-on-Drying (Test Methods E1868) are common examples of these kinds of experiments.

    5.2 Modern scientific instruments, including thermal analyzers, usually measure elapsed time with excellent precision and accuracy. In such cases, it may only be necessary to confirm the performance of the instrument by comparison to a suitable reference. Only rarely will it may be required to correct the calibration of an instrument's elapsed time signal through the use of a calibration factor.

    5.3 It is necessary to obtain elapsed time signal conformity only to 0.1 times the repeatability relative standard deviation (standard deviation divided by the mean value) expressed as a percent for the test method in which the thermal analyzer is to be used. For those test methods listed in Section 2 this conformity is 0.1 %.

    1. Scope

    1.1 This test method describes the calibration or performance confirmation of the elapsed-time signal from thermal analyzers.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.3 There is no ISO standard equivalent to this test method.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    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

    D3350 Specification for Polyethylene Plastics Pipe and Fittings Materials

    D3895 Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning Calorimetry

    D4565 Test Methods for Physical and Environmental Performance Properties of Insulations and Jackets for Telecommunications Wire and Cable

    D5483 Test Method for Oxidation Induction Time of Lubricating Greases by Pressure Differential Scanning Calorimetry

    E473 Terminology Relating to Thermal Analysis and Rheology

    E487 Test Method for Constant-Temperature Stability of Chemical Materials

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E1142 Terminology Relating to Thermophysical Properties

    E1858 Test Methods for Determining Oxidation Induction Time of Hydrocarbons by Differential Scanning Calorimetry

    E1868 Test Methods for Loss-On-Drying by Thermogravimetry

    E2070 Test Methods for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods

    E2161 Terminology Relating to Performance Validation in Thermal Analysis and Rheology

    ICS Code

    ICS Number Code 17.200.20 (Temperature-measuring instruments)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E1860-13R18

    Citation Format

    ASTM E1860-13(2018), Standard Test Method for Elapsed Time Calibration of Thermal Analyzers, ASTM International, West Conshohocken, PA, 2018,

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