Norme ASTM E2040-99
1.1 This test method covers the calibration or performance confirmation of the mass (or weigh
t) scale of thermogravimetric analyzers and is applicable to commercial and custom-built apparatus.
1.2 Electronic instrumentation or automated data analysis and reduction systems or treatments equivalent to this test method may be used.
1.3 The values stated in SI units are to be regarded as the standard.
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 and health practices and to determine the applicability of regulatory limitations prior to use.