Ultra-pure gas refers to a gas with a purity higher than 99.99%, and it is a high-purity reagent. Prepared to meet the special needs of some scientific research and cutting-edge technology. Some departments that require particularly pure gas need ultra-pure gas with a purity of more than 99.9999%, and the number of dust particles with a particle size greater than 0.5 μm in each liter of gas should be less than three.


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