GB/T 4844-2011 Translated English of Chinese Standard (GBT 4844-2011, GB/T4844-2011, GBT4844-2011): Pure Helium, High Pure Helium and Ultra Pure Helium [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 14 oct 2017 - 17 páginas This Standard specifies the specifications, inspection rules, test methods, and product packaging, marking, storage and transportation and safety warnings of gaseous helium and liquid helium. |
Índice
| 3 | |
Application Scope | 5 |
Specifications | 6 |
Test Methods | 7 |
Packaging Marking Storage and Transportation and Safety Warnings | 8 |
Annex A Normative Determination of the Content of Neon Hydrogen Oxygen + Argon Nitrogen Carbon Monoxide Carbon Dioxide and Methane in... | 10 |
Annex B Normative Calculation of Helium Volume | 13 |
Términos y frases comunes
accordance with Formula Annex argon bottled helium calculated in accordance carbon dioxide carrier gas component contents conditions of 20°C Conditions of Different content of neon content volume fraction content volume fraction)/10-6 Conversion Coefficient Kunder cryogenic cylinders shall conform Determination of Moisture Determination of water Different Pressures dioxide and methane fails to meet GB/T helium and high helium and liquid helium and ultra helium are added high pure helium hydrogen inspected and accepted inspection results fails Kunder the Conditions liquid helium magnitude lower meet the technical methane in helium modified see Article nitrogen operating parameters oxygen Pressures and Temperatures product is decided purity of helium Regulation on Safety safety warnings seamless steel gas specified in GB specified in Table standard specimen steel gas cylinders storage and transportation Supervision Regulation Table B.3 technical requirements Temperature C Table Temperatures Pressure/MPa Temperature ultra pure helium Values of Volume Volume Conversion Coefficient water content