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- 07 2022.06 Analytical Accuracy of Standard Gases Standard gases and mixed gases are widely used in basic science, air pollution, medical diagnosis, petrochemical, metallurgical geology, atomic energy, microelectronics, optoelectronics and many other fields. The standa...
- 07 2022.06 Matters needing attention in the selection of standard gas packaging container materials In order to keep the content of the components in the standard gas and mixed gas basically unchanged for a long time, the selection of packaging container materials and the processing technology of the inner wall of the ...
- 07 2022.06 Precautions for Standard Gas in Sampling Notes on standard gas injection:The particularity of the standard gas has special requirements for sampling. Many users have large data deviations due to the irregular sampling. Here I provide several aspects that should...
- 07 2022.06 Application and preparation technology of standard gas Standard gas is an industrial term for gas, and standard gas belongs to standard substances.Reference materials are highly homogeneous, well-stabilized and quantitatively accurate determination standards. They have the b...
- 07 2022.06 Analytical Accuracy of Standard Gases 1. General rules for standard gas preparationThe development process of the standard gas can be divided into four parts: the purity analysis of the raw material gas; the preparation of the component pressure by weighing ...
- 07 2022.06 An introduction to helium 3 isotopes Helium 3- Helium was first observed in 1868 by French astronomer Pierre-Jules-César Janssen during a solar eclipse in Gontur, India.Later that year, the United KingdomAstronomer Norman Lockyer observed a similar yellow l...
