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| Product name | Hydrogen in helium gas standard material |
| Other names | Hydrogen in helium standard gas, hydrogen in helium standard material, hydrogen in helium, hydrogen in helium standard gas, hydrogen in helium standard gas, hydrogen in helium calibration gas, helium gas calibration gas, gas standard gas |
| Calculation formula | Xi=ni/n |
| Xi: molar ratio of components (mol/mol) | |
| Ni: amount of component (mol) | |
| N: amount of all components in the mixed gas (mol) | |
| Confidence factor | Confidence level 95% |
| Uncertainty | Subject to the standard certificate |
| Concentration range | Prepared according to customer requirements at the corresponding saturated vapor pressure |
| Preparation standard | GBT5274.1-2018 “Preparation of mixed gases for gas analysis calibration Part 1 Preparation of primary mixed gases by weighing method” |
| Filling pressure | Filling pressure is 9.5 MPa, and the lower limit of the use pressure is 0.5 MPa |
| Included information | Certificate of conformity + fixed value certificate |
| Packaging specifications | 8L/4L/2L/1L |
| Gas cylinder standard | Implementation standard “Technical Regulations for Gas Cylinder Safety (TSG 23-2021)” |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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