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- 07 2022.06 Standard gas distribution method There are three methods ofstandard gas distribution:1. Syringe gas distribution methodWhen only a small amount of standard gas is required, a 100ML syringe can be used to prepare the standard gas; the required low-concen...
- 07 2022.06 Static distribution and characteristics of standard gas In air and waste gas monitoring in environmental monitoring,standard gasesare as important as standard solutions and standard substances, and are the basis for testing and testing methods, evaluating sampling efficiency,...
- 07 2022.06 Standard gas for calibration The modern production process, from the inspection of raw materials, the control of the production process, to the inspection and evaluation of the final product quality, is inseparable from various instruments and meter...
- 07 2022.06 Preparation of standard gases with special properties 1. Preparation of standard gas with lively propertiesSome gases are very active and easily react with oxygen and water packaging container materials to change the concentration. These gases were previously prepared in sm...
- 07 2022.06 Analysis of Uncertainty of Standard Gas Component Value Gas standard samples and gas standard substances (hereinafter referred to as standard gases), as a physical standard and measurement benchmark, are widely used in scientific research, environmental testing, medical and h...
- 07 2022.06 Performance Evaluation of Mixed Gas Standards 1. Inspection of the uniformity of the mixed gas standard sampleThe degree of uniform mixing of the standard gaswill directly affect the accuracy of its component content. For this reason, the prepared standard gas must ...
