GB/T 27761-2011Standard test method of mass loss and residue measurement validation of thermogravimetric analyzers (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

This standard and ASTME2402-2005 "TGA weight loss and the remaining amount of test methods" (in English) Basic technical content Consistent.

This standard ASTME2402-2005 comparison, the main modifications are as follows.

--- Redefined the remaining amount of the term;

--- The original text symbols M0 12.6 is amended as Xmax, and the maximum weight loss is interpreted as a standard substance known volatiles weightlessness Value, quality fraction representation;

--- The Chapter 12 12.9 Example of calculation portion from the body moved to Appendix A (informative);

--- Annex B (informative) lists the number of the standard clauses and clauses ASTME2402-2005 a control number Lanbiao.

This standard was proposed by the Chinese Academy of Sciences.

This standard by the National Standardization Technical Committee of nano technology (SAC/TC279) centralized.

1 Scope

This standard specifies the weightlessness and to confirm the remaining amount of the program by thermal gravimetric analysis (TGA), and established based on the weight loss and the remaining amount of test Analysis of the test.

This standard applies to confirm TGA performance parameters, including weight loss and the remaining amount of the repeatability (precision), detection limit, quantification limit, line Sexual deviations, technical specifications and regulatory compliance.

This standard does not include associated with its use of all the security issues. Before using this standard method, users are responsible for establishing appropriate Safety and health standards, specifications and confirm applicability.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 6425 Thermal Analysis term ASTME177 use (Standardpracticeforuseofthe term precision and bias in the ASTM test method termsprecisionandbiasinASTMtestmethods) ASTME473 Thermal Analysis Standard Terminology (Standardterminologyrelatingtothermalanalysisandrhe-ology) ASTME1142 Standard Terms and thermo-physical properties related (Standardterminologyrelatingtothermophysical properties) Standard Specification ASTME1582 thermogravimetric analysis temperature calibration (Standardpracticeforcalibrationoftemperature scaleforthermogravimetry) ASTME1970 thermal analysis standards (Standardpracticeforstatisticaltreatmentof statistical data processing thermoanalyticaldata) Standard Test Method for ASTME2040 TGA mass calibration (Standardtestmethodformassscalecali-brationofthermogravimetricanalyzers) ASTME2161 thermal analysis verification standard terminology related (Standardterminologyrelatingtoperform- and performance ancevalidationinthermalanalysis)

3 Terms and Definitions

GB/T 6425, ASTME473, ASTME177, ASTME1142 and ASTME2161 defined in the following terms and definitions apply to this document. For ease of use, repeat the following list of some of the terms and definitions.

TGA thermogravimetricanalysis (TGA) Under the program temperature and a certain atmosphere, measuring the technical quality and temperature or the time of the sample.