原文由 雾非雾(mcds) 发表:谢谢老师。
应该是硅胶柱,下面是网上查的:
Silasorb 600 (Chemapol, Czech. Republic)
Silasorb 600 silica gel (5 μm, specific surface area. 500 m2 /g) were from Chemapol (Prague, Czechoslovakia) --捷克斯洛伐克化学品进出口公司(布拉格,捷克)
Silica gel "Silasorb 600" with specific surface area of about 600 m(2)/g and average particle size of $ 10 mum was used as the sorbent.