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Natural gas -- Validation for gaseous reference materials -- Direct measurement of calorific value and density
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GB/T 31253-2014
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PDF similar to GB/T 31253-2014
Basic data
| Standard ID | GB/T 31253-2014 (GB/T31253-2014) |
| Description (Translated English) | Natural gas -- Validation for gaseous reference materials -- Direct measurement of calorific value and density |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | E24 |
| Classification of International Standard | 75.060 |
| Word Count Estimation | 17,153 |
| Date of Issue | 12/5/2014 |
| Date of Implementation | 5/1/2015 |
| Quoted Standard | GB/T 11062; GB/T 12206; GB/T 19205; JJF 1033-2008; JJF 1059.1 |
| Regulation (derived from) | Announcement of Newly Approved National Standards 2014 No. 27 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies a method of natural gas by the gas analysis using standard materials heat and direct measurement of density verification. This standard applies to verify gas standard material prepared by weighing. |
GB/T 31253-2014: Natural gas -- Validation for gaseous reference materials -- Direct measurement of calorific value and density
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Natural gas - Validation for gaseous reference materials - Direct measurement of calorific value and density
ICS 75.060
E24
National Standards of People's Republic of China
Verify natural gas standard material
Direct heat and density measurement
Issued on. 2014-12-05
2015-05-01 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 gas standard material verification method 2
Use calorimeter measuring natural gas calorific reference material method in Annex A (informative) 4
Methods Appendix B (informative) Measurement Standards calorific natural gas in accordance with GB/T 12206 8
Annex C (informative) using standard gas density balance measuring the density of matter Method 10
Methods Appendix D (informative) using GB/T 11062 standard material indirect measurement of natural gas calorific value and density of 11
Annex E (informative) using methods to verify calorific gas standard substance in Example 12
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China National Petroleum Corporation.
This standard by the National Standardization Technical Committee on Gas (SAC/TC244) centralized.
This standard was drafted. Chinese company PetroChina Southwest Oil and Gas Field Natural Gas Research Institute, China Institute of Metrology, China Testing Technology Research
Study hospital.
The main drafters of this standard. Qin Luo, Cai Li, Han bridge, Chen Geng Liang, founder, Chen Yong.
Verify natural gas standard material
Direct heat and density measurement
1 Scope
This standard specifies a method of natural gas by the gas analysis using standard materials heat and direct measurement of density verification.
This standard applies to verify gas standard material prepared by weighing.
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 11062 natural gas calorific value, density, relative density and Wobbe index calculation method
GB/T 12206 Town gas calorific value and relative density determination
GB/T 19205 standard gas reference conditions
JJF1033-2008 appraisal measurement standard specification
JJF1059.1 measurement uncertainties evaluation and expression
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Indirect measurement indirectmeasurement
Use of existing natural gas or gas standard material composition data, according to GB/T 11062 calculation, GB/T 19205 regulations state
Natural gas, or gas standard calorific substance or method for determining the density.
3.2
Direct measurement directmeasurement
Directly calorimeter and density balance measurements obtained in GB/T 19205 Determination of natural gas, or gas standard regulations issued under the state of matter
Heat or density method.
3.3
Calorimeter calorificmeter
Direct determination of calorific gas detection equipment.
3.4
Density balance densitybalance
Weighing using direct means to detect gas density measurement.
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