Add：No.34, Ganbei Road, Ganjingzi, Dalian, China
Post Code：116031
Tel：0411—85961069
E-mail：gmy@gmgas.com
Fax：0411—86672406
website:www.gmgas.com
二、Standard gas, mixed gases
e will provide a standard gas, mixed gas used Weighing pressure or preparation method, have to undergo a rigorous testing, in line with standard gas, Mixed gas technical specifications, data accurate and reliable. After handling of gas cylinders, gas quality can be fully guaranteed.
1、Standard Gas
Standard gas and mixed gas Specifications
| Category | Thickness scope | Allowable preparation tolerance | Analysis accuracy |
| Standard mixed gas | 10PPM—50% | ±5% of constituent | thickness of each constituent Relative uncertainty ＜1% |
| Industrial standard mixed gas | 10—99PPM 100—999PPM 0.1—50% |
±10% ±5% ±5% |
±3% ±2% ±2% |
| First class industrial mixed gas | 10—99PPM 100—999PPM 0.1—50% |
±20% ±10% ±5% |
±5% ±2% ±2% |
| Second class industrial mixed gas | 10—99PPM 100—999PPM 0.1—50% |
±20% ±10% ±5% |
Analysis instrument calibration standard gas
Electron captured gas
Laser mixed gas
Leak detection and welding gas
Medical research gas
Environment protection gas
Disinfection gas
Standard gas above can be widely applied in ethylene, petrochemical industry, environment protection, safety, alarm, medical care, air separation and fuel gas, power, coal mine, metallurgy, machinery, fertilizer, cement, well logging and prospecting, national defense research, auto waste gas, bulb, laser, welding and firefighting.
Mixed gas
Our institute is able to provide mixed gas for electronic industry according to customer need, such as N2-SiH4, N2-PH3, N2-B2H6, C2H4O, CO2, etc.
