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Chinese National Standard Category: Natural gas

English Title: Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density
Chinese Title: 天然气 气体标准物质的验证 发热量和密度直接测量法
Standard No.: GB/T 31253-2014
Category No.: E24
Issued by: AQSIQ, SAC
Issued on: 2014-12-05
Implemented on: 2015-5-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:8500 words
Similar Standards: GB/T 43130.1-2023   GB/T 42864-2023   GB/T 11060.2-2023   GB/T 35212.4-2023   GB/T 11060.13-2023   GB/T 11060.1-2023   GB/T 11060.12-2023   GB/T 27894.3-2023   GB/T 41611-2022   GB/T 22724-2022   GB/T 35212.3-2021   GB/T 26978-2021   GB/T 33440-2021   GB/T 40704-2021   GB/T 20368-2021   GB/T 39540-2020   GB/T 13610-2020   GB/T 19206-2020   GB/T 11060.8-2020   GB/T 11062-2020  
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