The silica xerogels were synthesized by ambient pressure drying method with hydrofluoric acid (HF) as catalyzer.The influence of catalyzer and drying method on the xerogels were analyzed.

• 摘要以氢氟酸(HF)为催化剂，采用常压乾燥法制备了二氧化矽乾凝胶，分析了催化剂和乾燥条件对干凝胶的影响。