近几年来，由于受到太阳能光伏电池行业的强力推动，我国多晶硅产业发展迅速，现已建成数十家，产能超过10万吨/年。多晶硅产业目前的主流生产工艺均为改良西门子法，该工艺副产大量的低沸点、腐蚀性强、易造成环境污染的四氯化硅。因而，对四氯化硅进行科学合理的高效利用，已成为多晶硅行业亟待解决的问题。利用四氯化硅生产二氧化硅，是实现四氯化硅有效转化的途径之一。二氧化硅简称白炭黑，无毒无味，是优良的补强填充材料，能广泛地应用于化工、材料、医药、电子通讯等领域。具有特殊形貌以及经过疏水改性的二氧化硅，由于表面结构和外形的特殊性，使其在药物控释缓释、催化剂载体、高聚物溶混填充、传感器、分离工程等方面不断获得新的应用。
浩瀚色谱（山东）应用技术开发有限公司采用DC-550填充柱测定多晶硅产业副产物四氯化硅的含量，面积归一法定量。
名称：DC-550填充柱
规格：3m*1/8
*高使用温度：240°C
货号：20230504001
应用：YST11952017多晶硅副产品四氯化硅
In recent years, due to the strong promotion of the solar photovoltaic cell industry, China's polycrystalline silicon industry has developed rapidly. Dozens of companies have been built, with a production capacity of over 100000 tons/year. The current mainstream production process in the polycrystalline silicon industry is the improved Siemens method, which produces a large amount of low boiling point, highly corrosive, and easily polluting tetrachloride. Therefore, the scientific and efficient utilization of silicon tetrachloride has become an urgent problem to be solved in the polycrystalline silicon industry. One of the ways to achieve effective conversion of silicon tetrachloride is to produce silicon dioxide using silicon tetrachloride. Silica, abbreviated as white carbon black, is non-toxic and odorless. It is an excellent reinforcement filling material and can be widely used in fields such as chemical engineering, materials, medicine, electronic communication, etc. Due to its unique surface structure and appearance, silica with special morphology and hydrophobic modification has continuously gained new applications in drug controlled release, catalyst carriers, polymer miscible filling, sensors, separation engineering, and other fields.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. uses a DC-550 packed column to determine the content of silicon tetrachloride, a byproduct of the polycrystalline silicon industry, and quantifies it using the area normalization method.
Name: DC-550 filled column
Specification: 3m * 1/8
*High operating temperature: 240 ° C
Article number: 20230504001
Application: YST11952017 Polycrystalline silicon by-product silicon tetrachloride
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