GB/T 31253-2014 in English

VALID

Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density

Issued on:2014-12-05
Implemented on:2015-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $250.00
$243.00

Standard No:	GB/T 31253-2014
Document status:	VALID
Title in English:	Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density
Title in Chinese:	天然气气体标准物质的验证发热量和密度直接测量法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2014-12-05
Implemented on:	2015-05-01
ICS Classification:	75.060-Natural gas
Chinese Classification:	E24-Natural gas
Professional Classification:	GB-National Standard
Related Keywords:	gas reference materials natural gas analysis natural gas ― validation gaseous reference materials gas standard substances
Related Topics:	gas reference material standard material heat Calorific value Standard measuring gas standard material Standard substance verification natural gas ?Gas??? Standard substance verification natural gas gas reference material standard air density Gas Density Measurement standard air density Standard substance measurement Standard Uncertainty of Standard Material Substance verification Method Validation Reference Materials Certified Reference Material Measurements Gas direct measurement method direct measurement measure the density of a gas Verified reference material Verification of reference materials Gas instrument measurement direct measurement Standard Uncertainty of Standard Material Secondary standard substance verification How to verify the reference material gaseous substance Density Test Quality Density Test Quality Gas Density Measurement standard verification How to measure the density of a gas Gas certificate reference material How to measure gas density How is the density of a gas measured? How to measure gas density Gas calorimeter Verified reference material Gas Density Measurement How to measure gas density Gas calorimeter how to measure the density of a gas How to measure the density of a gas How to measure the density of a gas How to verify alignment Measure gas density Heat+quantity+ Standard substance verification GBT31253 GB/T 31253-2014 Gas molecular mass of Vo CS Measure pore density Gas production test astm e1559 e+h mass density measurement wiring Natural gas standard system Cylinder straightness measurement method gas cargo quality Object Density Measurement Method Quality standard requirements for natural gas for vehicles Natural Gas Quality Standard Mercury Natural gas standard volatile matter Standard density of natural gas Mass spectrometry method development validation metrics Standard measurement method for gas ion density

《GB/T 31253-2014天然气气体标准物质的验证发热量和密度直接测量法》由TC244（全国天然气标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了采用发热量和密度直接测量验证天然气分析用气体标准物质的方法。
本标准适用于称量法制备的气体标准物质的验证。

Scope

This standard specifies the method for verifying gas reference materials for natural gas analysis by direct measurement of calorific value and density. This standard applies to the verification of gas standard substances prepared by weighing methods.

More samples: GB 50021-2001(2009) DL/T 5154-2012 JJG 21-2008

Sample only — not a preview of GB/T 31253-2014

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