1.1 This test method provides procedures for validating temperature and length change measurements of thermomechanical analyzers (TMA) and analytical methods based upon the measurement of temperature and length change. Performance parameters include temperature repeatability, linearity, and bias; and dimension change repeatability, detection limit, quantitation limit, linearity, and bias.
1.2 Validation of apparatus performance and analytical methods is a necessary requirement for quality initiatives. Results may also be used for legal purposes.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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.
ASTM E2918-18a Referenced Document
ASTM E1142 Standard Terminology Relating to Thermophysical Properties
ASTM E1363 Standard Test Method for Temperature Calibration of Thermomechanical Analyzers
ASTM E1970 Standard Practice for Statistical Treatment of Thermoanalytical Data*, 2023-01-01 Update
ASTM E2113 Standard Test Method for Length Change Calibration of Thermomechanical Analyzers*, 2023-08-01 Update
ASTM E2161 Standard Terminology Relating to Performance Validation in Thermal Analysis and Rheology*, 2023-08-01 Update
ASTM E473 Standard Terminology Relating to Thermal Analysis
ASTM E2918-18a history
2023ASTM E2918-23 Standard Test Method for Performance Validation of Thermomechanical Analyzers
2018ASTM E2918-18a Standard Test Method for Performance Validation of Thermomechanical Analyzers
2018ASTM E2918-18 Standard Test Method for Performance Validation of Thermomechanical Analyzers
2013ASTM E2918-13 Standard Test Method for Performance Validation of Thermomechanical Analyzers