
[無化] ************
A method for determination of 9 metal impurities in high purity silicon tetrachloride was developed.
本文對钛廠回收副産物高純************中的9種金屬雜質進行了測定。
In the paper, the silicon tetrachloride is prepared from diatomite by a new process and the basic theory of the active silicon in diatomite is discussed.
論述了矽藻土制取************的研制新過程及活性機理分析。
It is difficult to recycle a large amount of by product, silicon tetrachloride, which is the technical bottleneck existing in preparation of polycrystalline silicon by improved Siemens process.
改良西門子法制備多晶矽存在的技術瓶頸是大量副産物************難以回收利用。
By using the seal syringe to get the sample and overcoming the silicon tetrachloride hydrolisis, the determination scope was 5%~85%.
采用密封針管取樣克服了************水解困難,測定範圍為5%~85%。
The invention relates to a method for recycling silicon tetrachloride as a by-product of polysilicon, belonging to the technical field of polysilicon production.
本發明涉及多晶矽副産物************的回收利用方法,屬于多晶矽生産技術領域。
With the component change of the chlorosilane solution, the method prevents the reduction of the purities of the trichlorosilane and the silicon tetrachloride.
伴隨着氯矽烷液的組成變動,防止************,四氯化矽純度的降低。
Fumed silica from silicon tetrachloride vapor in an oxyhydrogen flame hydrolysis, compared with natural silica, silica of high purity silica, inert, resistance to ultraviolet light.
氣相法白炭黑是由************蒸氣在氫氧焰中水解制得,與天然二氧化矽相比,白炭黑的二氧化矽純度高、惰性大、耐紫外光。
四氯化矽(Silicon Tetrachloride,化學式SiCl₄)是一種無機化合物,由矽和氯元素組成。它在常溫下為無色透明液體,具有刺激性氣味,易揮發且遇水迅速水解,生成氯化氫(HCl)和矽酸(H₄SiO₄)。其分子結構呈正四面體,矽原子位于中心,四個氯原子對稱分布。
主要性質與應用:
安全與健康風險:
四氯化矽蒸氣對眼睛、皮膚和呼吸道有強腐蝕性,接觸後需立即用大量清水沖洗并就醫(來源:中國《危險化學品安全技術說明書》)。其運輸和操作需符合《國際化學品管理戰略方針》(SAICM)規範。
權威參考資料可通過美國國家生物技術信息中心(PubChem)鍊接或中國化學品安全網查詢完整數據。
四氯化矽(Silicon Tetrachloride)是一種無機化合物,化學式為SiCl₄,CAS號為10026-04-7。以下是其詳細解釋:
如需更詳細的技術參數或安全操作指南,可參考化學數據庫(如NIST)或專業MSDS文件。
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