Last updated 1st May 2024

ASTM E793 Standard Test Method for Enthalpies of Fusion and Crystallization by DSC

ASTM E793 describes how to compute the enthalpy of fusion and crystallization using differential scanning calorimetry (DSC). It can be used for synthetic shapes, liquid samples, or solid samples. Results, however, may vary depending on additional experimental parameters, including mass and form. The instrumentation decides if the usual temperature range of -120 to 600°C can be extended. Materials that are thermally stable and have well-defined endothermic or exothermic properties can be tested using ASTM E793.

Read More

GET STARTED

    Share your requirements *

    Provide your contact information *

    Introduction to ASTM E793

    The quick approach for determining the enthalpic changes that accompany first-order transitions in materials is differential scanning calorimetry. Research, specification acceptance, and quality control can all benefit from this test methodology. MaTestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM E793 tests for our clients.

    ASTM E793 Test Method

    Weighing the specimenWeighing 1 to 15 mg of specimen into a dry, clean specimen capsule yields an accuracy of 60.1%.
    Sealing the specimenIn ambient settings, the specimen capsule is sealed or crimped with a lid to minimize the amount of open space between the specimen and the lid. Hermetic sealing in an inert atmosphere might be preferred for specimens that are oxidation-sensitive.
    Loading the specimenThe specimen is inserted into the instrument’s chamber. Dry nitrogen, or any other inert gas, is pumped into the chamber at a rate of 10 to 50 mL/min during the experiment.
    Heating and Re-weighing the specimenThe specimen is heated to 50°C below melting point, stabilized, and cooled at 10°C per minute. After scanning, it’s reweighed, and discarded if there’s a reaction or mass loss.

    ASTM E793 Test Specimens

    Sample DetailMaterials that are granular or powdered should be thoroughly mixed before sampling, and portions should be taken from different areas of the container. In turn, these parts need to be well mixed and blended to provide a representative specimen for the determination. Samples of liquid may be taken immediately following mixing.
    Sample SizeSample homogeneity is crucial since milligram quantities of specimens are used.

    ASTM E793 Test Result

    ASTM E793 effectively explains how to use differential scanning calorimetry (DSC) to calculate the enthalpy (heat) of fusion, or melting, and crystallization.

    ASTM E793 Related Tests

    ASTM E793 is related to tests including ASTM E473 for thermal analysis-related terms, ASTM E968 for calibration of heat flow, and ASTM E1142 for thermophysical properties-related terms.

    FAQ's

    Where can I get the astm e793 tested?

    You can share your astm e793 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e793 test to various testing techniques.

    How much do I need to pay for the astm e793 test?

    Please contact us for a detailed quote for your astm e793 testing needs. Cost incurred to carry out different astm e793 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

    How many samples are required for astm e793?

    The required number of samples or specimens should comply with the procedure given in the astm e793 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

    How much discount can I get on the astm e793 test?

    MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.

    How many days will it take to complete the astm e793 test?

    The turnaround time for astm e793 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

    Where can I get the astm e793 tested?

    You can share your astm e793 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e793 test to various testing techniques.

    POPULAR TESTS
    ONE-STOP FOR ALL
    MATERIAL TESTING NEEDS
    MaTestLab Inc. offers accessible, quick, and affordable material testing, product testing, and failure analysis services. We support your on-demand testing and expert consultation needs with the help of our extensive network of material testing laboratories situated in the US and other parts of the world.
    MATERIAL TESTING
    We offer destructive and non-destructive tests over a range of mechanical, electrical, chemical, thermal, optical, corrosion, radiation, and biological testing methodologies defined by ASTM, ISO and other organizations.
    PRODUCT TESTING
    We help you evaluate and ensure your product quality and performance with standard and custom-made testing solutions. All the tests are done at well-equipped testing laboratories using standard testing methods for best output and satisfaction.
    FAILURE ANALYSIS
    Failure analysis ensures high levels of quality in every manufacturing process. We help you with getting the best failure or root cause analysis to determine the cause of the failure. The results help you identify means to prevent failure recurrences.
    Process for testing
    • STEP 01

      You share your testing requirements

    • STEP 02

      You share your sample(s)

    • STEP 03

      We deliver your test reports

    Get your testing done

    Let us known your testing requirements and we will be right back with a solution.

      Let us root for each other. Collaborate to grow, expand, and accelerate our businesses.

      Partner with us

        close

        Please share your requirement with us

          ×

          Contact Us

          Discover more from MaTestLab

          Subscribe now to keep reading and get access to the full archive.

          Continue reading