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GB/T 27762-2011 (GBT 27762-2011)

GB/T 27762-2011_English: PDF (GBT27762-2011)
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GB/T 27762-2011English279 Add to Cart 3 days Standard test method for mass scale calibration of thermogravimetric analyzers GB/T 27762-2011 Valid GB/T 27762-2011

BASIC DATA
Standard ID GB/T 27762-2011 (GB/T27762-2011)
Description (Translated English) Standard test method for mass scale calibration of thermogravimetric analyzers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N04
Classification of International Standard 19.020
Word Count Estimation 13,192
Date of Issue 2011-12-30
Date of Implementation 2012-05-01
Quoted Standard GB/T 6425; ASTM E473; ASTM E691; ASEM E1142
Drafting Organization National Center for Nanoscience
Administrative Organization National Nanotechnology Standardization Technical Committee
Regulation (derived from) Announcement of Newly Approved National Standards No. 22 of 2011
Proposing organization Chinese Academy of Science
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the quality of thermal gravimetric analyzer calibration test methods indicated value. This standard applies to the TGA mass/weight calibration or performance verification, and applies to commercial and custom equipment. This standard does not include all of the safety associated with its use issues. Before using this standard method, the user has the responsibility to establish appropriate safety and health practices and to confirm the applicability of norms.

GB/T 27762-2011
Standard test method for mass scale calibration of thermogravimetric analyzers
ICS 19.020
N04
National Standards of People's Republic of China
Standard Test Method for Thermal mass analyzer calibration indication
Issued on. 2011-12-30
2012-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Summary of Test Method 2
5 Apparatus 2
6 Reagents and materials 2
7 Calibration Procedure 2
8 3 Calculation
9 3 Report
Appendix A (informative) Precision and Bias 4
Annex B (informative) The standard numbering ASTME2040-2008 reg reg control number 5
References 8
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard and ASTME2040-2008 "Standard Test Method for Thermal mass analyzer calibration Indication" (in English) Basic technical content
Consistent.
This standard compared with ASTME2040-2008, the main modifications are as follows.
Chapter 12 --- The precision and bias section from the body moved to Appendix A (informative);
--- Annex B (informative) lists the number of the standard clauses and clauses ASTME2040-2008 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.
This standard was drafted. National Center for Nanoscience, NETZSCH Scientific Instruments Trading (Shanghai) Co., Ltd.
The main drafters of this standard. Pu Ling Yu, Chang Huai autumn, once Zhiqiang, noble, Mao Lijuan.
Standard Test Method for Thermal mass analyzer calibration indication
1 Scope
This standard specifies the test methods TGA quality indication of the calibration.
This standard applies to the TGA mass/weight calibration or performance verification, and is suitable for commercial and custom equipment.
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
ASTME473 Thermal Analysis Standard Terminology (Standardterminologyrelatingtothermalanalysisandrhe-
ology)
Room ASTME691 laboratory studies Test Method for precision guidance with Practice (Standardpracticeforcon-
ductinganinterlaboratorystudytodeterminetheprecisionofatestmethod)
ASTME1142 Standard Terms and thermo-physical properties related (Standardterminologyrelatingtothermophysical
properties)
3 Terms and Definitions
GB/T 6425, and ASTME1142 ASTME473 terms and definitions apply as defined in this document. For ease of use,
The following lists some of which duplicate terms and definitions.
3.1
TGA thermogravimetricanalysis (TGA)
Under the program temperature and a certain atmosphere, measuring the technical quality and temperature or the time of the sample.
3.2
Dynamic mass change measurement dynamicmass-changedetermination
L program, under cooling and a certain atmosphere, measuring the quality of the sample temperature T M with changing technology.
3.3
Isothermal mass change measurement isothermalmass-changedetermination
At a constant temperature T and a certain atmosphere, measuring the sample mass M over time t change technology.
3.4
TG curve (TG curve) thermogravimetriccurve (TGcurve)
Curve to the quality (or mass fraction) with temperature or time-varying form represented by thermogravimetry measured data. The ordinate of the graph is
Mass m (or mass fraction), showing up to increase quality, reduce down represents quality; the abscissa is time or