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ASTM E1582-17
Standard Test Method for Temperature Calibration of Thermogravimetric Analyzers- 발행일 : 2017-10-01
- 발행기관 : ASTM
상세정보
| 분야 | 14.05 : 통계 방법; 화학 물질의 잠재적 위험성; 열측정; 약품 제조 |
|---|---|
| 적용범위 | 1.1 This test method describe the temperature calibration of thermogravimetric analyzers over the temperature range from 25 to 1500 °C and is applicable to commercial and custom-built apparatus. This calibration may be accomplished by the use of either melting point standards or magnetic transition standards. 1.2 The weight change curve in thermogravimetry results from a number of influences, some of which are characteristic of the specimen holder assembly and atmosphere rather than the specimen. The variations from instrument to instrument occur in the point of measurement of the temperature, the nature of the material, its size and packing, the geometry and composition of the specimen container, the geometry and design of the furnace, and the accuracy and sensitivity of the temperature sensor and displaying scales. These all contribute to differences in measured temperatures, which may exceed 20 °C. In addition, some sample holder assemblies will show variations of measured temperature with sample size or heating/cooling rate, or both. Since it is neither practical nor advisable to standardize sample holders or thermobalance geometries, instruments may be calibrated by measurement of the deviation of a melting or magnetic (Curie Point) transition temperature from the standard reference temperature. This deviation can be applied as a correction term to subsequent measurements. 1.3 This test method assumes that the indicated temperature of the instrument is linear over the range defined by a two-point calibration and that this linearity has been verified. These two calibration temperatures should be as close to the experimental measurements to be made as possible. 1.4 This test method describes two procedures for temperature calibration of thermogravimetric analyzers using any type balance. Procedure A uses melting point standards for calibration. Procedure B uses magnetic transition standards for calibration. 1.5 The data generated by these procedures can be used to correct the temperature scale of the instrument by either a positive or negative amount using either a one- or two-point temperature calibration procedure. 1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.7 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. 1.8 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 | 17.200.20 : 온도 측정 기구 |
| 페이지수 | 6 |
| Edition | 17 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ASTM E1582-21상세보기 | Standard Test Method for Temperature Calibration of Thermogravimetric Analyzers | 2021-07-01 | 표준 |
| 2 | ASTM E1582-21 REDLINE상세보기 | Standard Test Method for Temperature Calibration of Thermogravimetric Analyzers | 2021-07-01 | 표준 |
| 3 | ASTM E1582-17상세보기 | Standard Test Method for Temperature Calibration of Thermogravimetric Analyzers | 2017-10-01 | 구판 |
| 4 | ASTM E1582-17 REDLINE상세보기 | Standard Test Method for Temperature Calibration of Thermogravimetric Analyzers | 2017-10-01 | 구판 |
| 5 | ASTM E1582-14상세보기 | Standard Practice for Calibration of Temperature Scale for Thermogravimetry | 2014-05-01 | 구판 |
| 6 | ASTM E1582-10상세보기 | Standard Practice for Calibration of Temperature Scale for Thermogravimetry | 2010-04-01 | 구판 |
| 7 | ASTM E1582-04상세보기 | Standard Practice for Calibration of Temperature Scale for Thermogravimetry | 2004-05-01 | 구판 |
| 8 | ASTM E1582-93상세보기 | Standard Practice for Calibration of Temperature Scale for Thermogravimetry | 2000-05-10 | 구판 |
| 9 | ASTM E1582-00상세보기 | Standard Practice for Calibration of Temperature Scale for Thermogravimetry | 2000-05-10 | 구판 |
관련상품
- 관련상품이 존재하지 않습니다.
다른 사람이 함께 구입한 상품
- ASTM E968-02(2014) - Standard Practice for Heat Flow Calibration of Differential Scanning Calorimeters (Withdrawn 2023)
- ASTM E2040-08(2014) - Standard Test Method for Mass Scale Calibration of Thermogravimetric Analyzers
- ASTM E967-18 - Standard Test Method for Temperature Calibration of Differential Scanning Calorimeters and Differential Thermal Analyzers
- ASTM D3418-15 - Standard Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry
- ASTM E1131-08(2014) - Standard Test Method for Compositional Analysis by Thermogravimetry
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