Recently, the formulation of the national standard "Determination of Chloride Ion Content in Liquid Organosilicons - Ion Chromatography Method" (Plan No. 20243187-T-606) was officially initiated, with a 18-month project cycle. This standard aims to establish a highly sensitive and accurate chloride ion detection method, standardize industry quality indicators, and help the organosilicon industry meet the stringent requirements of emerging fields. As a key material with resistance to high and low temperatures and electrical insulation, liquid organosilicons are widely used in traditional fields such as textiles, electronics, and construction. In recent years, demand has surged in emerging industries including new energy, 5G, and UHV. Due to their synthesis using chlorosilane as raw material, chloride ions are prone to remaining in the products, which may affect the entire production and processing process. Especially in high-end applications such as semiconductor chip protection, the chloride ion content of vinyl silicone oil is required to be below 0.1ppm, and the industry urgently needs a unified detection standard. The national standard to be formulated adopts the ion chromatography method, which has the advantages of simple operation and accurate testing, and has been widely used and recognized by upstream and downstream organosilicon enterprises. After its implementation, it will effectively standardize the quality of liquid polysiloxane products, promote the upgrading of production processes, and lead the high-quality development of the industry. To enhance the practicality and impartiality of the standard, drafting units are publicly solicited from key production enterprises and scientific research institutions. Meanwhile, 11 other related group standards for organosilicons, such as low-viscosity methyl silicone oil and thermal conductive silicone gel for electronic equipment, are under formulation. 
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