Plastics — Differential Scanning Calorimetry (DSC) — Part 4: Determination of Specific Heat Capacity
1 Scope
This part of GB/T 19466 specifies methods for determining the specific heat capacity of plastics by differential scanning calorimetry.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2035 Terms and Definitions for Plastics (GB/T 2035-2008, ISO 472:1999, IDT)
GB/T 6379.2-2004 Accuracy (Trueness and Precision) of Measurement Methods and Results — Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method (ISO 5725-2:1994, IDT)
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgement of Limiting Values
GB/T 19466.1-2004 Plastics — Differential Scanning Calorimetry (DSC) — Part 1: General Principles (idt ISO 11357-1:1997)
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 2035 and GB/T 19466.1-2004 and the following apply.
3.1
calibration material material of known specific heat capacity
Note: Usually, α-alumina (such as synthetic sapphire) of 99,9% or higher purity is used as the calibration material.
3.2
specific heat capacity (at constant pressure)
Cp quantity of heat necessary to raise the temperature of unit mass of material by 1 K at constant pressure
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Apparatus
7 Test Conditions and Specimen Conditioning
8 Test Procedure
9 Determination of Specific Heat Capacities
10 Precision and Bias
11 Test Report
Annex A (Informative) An Approximate Expression of the Specific Heat Capacity of Pure α-Al2O3 [3] to [5]
Bibliography
Plastics — Differential Scanning Calorimetry (DSC) — Part 4: Determination of Specific Heat Capacity
1 Scope
This part of GB/T 19466 specifies methods for determining the specific heat capacity of plastics by differential scanning calorimetry.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2035 Terms and Definitions for Plastics (GB/T 2035-2008, ISO 472:1999, IDT)
GB/T 6379.2-2004 Accuracy (Trueness and Precision) of Measurement Methods and Results — Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method (ISO 5725-2:1994, IDT)
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgement of Limiting Values
GB/T 19466.1-2004 Plastics — Differential Scanning Calorimetry (DSC) — Part 1: General Principles (idt ISO 11357-1:1997)
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 2035 and GB/T 19466.1-2004 and the following apply.
3.1
calibration material material of known specific heat capacity
Note: Usually, α-alumina (such as synthetic sapphire) of 99,9% or higher purity is used as the calibration material.
3.2
specific heat capacity (at constant pressure)
Cp quantity of heat necessary to raise the temperature of unit mass of material by 1 K at constant pressure
Contents of GB/T 19466.4-2016
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Apparatus
7 Test Conditions and Specimen Conditioning
8 Test Procedure
9 Determination of Specific Heat Capacities
10 Precision and Bias
11 Test Report
Annex A (Informative) An Approximate Expression of the Specific Heat Capacity of Pure α-Al2O3 [3] to [5]
Bibliography