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ASTM E537-24
Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry- 발행일 : 2024-05-01
- 발행기관 : ASTM
상세정보
| 분야 | 14.01 : 보건정보학 |
|---|---|
| 적용범위 | 1.1?This test method describes the ascertainment of the presence of enthalpic changes in a test specimen, using minimum quantities of material, approximates the temperature at which these enthalpic changes occur and determines their enthalpies (heats) using differential scanning calorimetry or pressure differential scanning calorimetry. Note 1:?Caution should be used if trying to use pressure differential scanning calorimetry to understand the thermal stability of a liquid or a solid (if it melts during the test or produces gas or liquid products), because the headspace volume to sample size is relatively large, so that the vaporization effect could significantly skew the results. Typically, the pressure differential scanning calorimeter would be limited to situations where a pressurized reactive headspace is required (that is, reactivity of a liquid or solid sample with a gas, more detail in Appendix X1). Sealed high-pressure sample containers are still recommended for the evaluation of intrinsic thermal stability of liquid or solid samples, even within a pressure DSC instrument. 1.2?This test method may be performed on solids, liquids, or slurries. 1.3?This test method may be performed in a sealed high-pressure sample container with an inert or a reactive headspace atmosphere with an absolute pressure range from 100 Pa through 30 MPa and over a temperature range from 273 K to 800 K (0 째C to 527 째C). 1.4?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4.1?Exceptions?Inch-pound units are provided as a courtesy to the user in X1.3.3, X1.4.1, and X1.4.2. 1.5?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. Specific safety precautions are given in Section 8. 1.6?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. |
| 국제분류(ICS)코드 | 07.030 : 물리학. 화학 |
| 페이지수 | 9 |
| Edition | 24 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ASTM E537-24상세보기 | Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2024-05-01 | 표준 |
| 2 | ASTM E537-24 REDLINE상세보기 | Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2024-05-01 | 표준 |
| 3 | ASTM E537-20상세보기 | Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2020-02-01 | 구판 |
| 4 | ASTM E537-20 REDLINE상세보기 | Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2020-02-01 | 구판 |
| 5 | ASTM E537-12 REDLINE상세보기 | Standard Test Method for The Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2012-12-01 | 구판 |
| 6 | ASTM E537-12상세보기 | Standard Test Method for The Thermal Stability of Chemicals by Differential Scanning Calorimetry | 2012-12-01 | 구판 |
| 7 | ASTM E537-07상세보기 | Standard Test Method for The Thermal Stability Of Chemicals By Differential Scanning Calorimetry | 2007-10-01 | 구판 |
| 8 | ASTM E537-02상세보기 | Standard Test Method for The Thermal Stability Of Chemicals By Differential Scanning Calorimetry | 2002-04-10 | 구판 |
| 9 | ASTM E537-98상세보기 | Standard Test Method for Assessing the Thermal Stability of Chemicals By Methods of Thermal Analysis | 1998-07-10 | 구판 |
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