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GB/T 38523-2020: Preparation of gas mixtures - Manometric method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38523-2020 | English | 259 |
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Preparation of gas mixtures - Manometric method
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GB/T 38523-2020
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Basic data | Standard ID | GB/T 38523-2020 (GB/T38523-2020) | | Description (Translated English) | Preparation of gas mixtures - Manometric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G86 | | Classification of International Standard | 71.100.20 | | Word Count Estimation | 14,128 | | Date of Issue | 2020-03-06 | | Date of Implementation | 2021-02-01 | | Quoted Standard | GB 190; GB/T 5099.1; GB/T 7144; GB/T 11640; GB/T 14070-1993; GB/T 14850; GB 15258; GB 15383; GB 16804; GB/T 34525; GB/T 34526; GB/T 34528; GB/T 38527 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the terms and definitions, principles, planning, preparation, inspection, certification, packaging, filling, storage and transportation and safety requirements for preparing mixed gas by pressure method. This standard applies to the batch preparation of bottled mixed gas and the preparation of bundled mixed gas. | GB/T 38523-2020: Preparation of gas mixtures - Manometric method---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.
(Preparation of mixed gas pressure method)
ICS 71.100.20
G86
National Standards of People's Republic of China
Mixed gas preparation pressure method
Released on 2020-03-06
2021-02-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Gas Standardization Technical Committee (SAC/TC206).
This standard was drafted by. Dalian Date Gas Co., Ltd., Southwest Chemical Research and Design Institute Co., Ltd., Hangzhou New Century Mixed Gas
Limited company, Beijing Hepubei Gas Industry Co., Ltd., Shanghai Pujiang Special Gas Co., Ltd., Guangdong Huate Gas Co., Ltd., Fu
Jianjiu Ce Gas Group Co., Ltd.
The main drafters of this standard. Qu Qing, Zhou Pengyun, Zhang Jinbo, Zhao Junxiu, Cai Tijie, Liao Hengyi, Li Fufen, Cao Suying.
Mixed gas preparation pressure method
1 Scope
The terms and definitions defined in GB/T 14850 and the following apply to this document.
3.1
Preparation system preparationsysterm
A gas filling system constructed from gas control valves, transmission lines, seals, pressure measurement equipment, and vacuum pumps.
3.2
Preparation of relative deviation of relative deviationofpreparation
The difference between the certified value of a certain component in the mixed gas and its target value accounts for the percentage of the target value.
Note. The formula for calculating the relative deviation of the preparation is given in 7.2.
3.3
Preparation tolerance
The maximum preparation relative deviation allowed by the target component content.
Note. The preparation tolerance is usually negotiated by both parties.
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