In order to optimize the living environment, improve air quality, and protect people's health, the country conducts VOC testing and management work. At present, the VOCs gas standard substances produced in China are far from meeting the demand of the domestic testing market, with over 95% relying on imports.

Today, the editor of Zhongxin Ruiyuan will introduce the preparation of Hubei standard gas for TO-14VOCs43 component.

Firstly, the preparation of VOCs Hubei standard gases is particularly important for the treatment and screening of steel cylinders. Special treatment must be carried out on the inner wall of aluminum alloy gas cylinders, and the processed gas cylinders must be strictly screened to eliminate those that do not meet the requirements.

Secondly, it is the testing of raw materials. Firstly, it is necessary to detect the impurity content in the nitrogen gas of the dilution gas, and the purity of the dilution gas must be greater than 99.999%. Secondly, the component feed gas should be tested for impurities, including organic and inorganic impurities. For liquefied gases, water is a common organic impurity, while for liquids and solids, as well as acids, bases, inorganic salts, and evaporation residues, they should be tested.

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