用各種稀的無(wú)機(jī)酸來(lái)萃取陰離子.A variety of dilute mineral acids are used to extract the anions.它對(duì)氟離子的選擇性比其它普通陰離子高幾千倍.It'shows a thousandfold selectivity for fluoride over other common anions.通常, 鈣素過(guò)量是與該元素相聯(lián)系的陰離子伴隨產(chǎn)生的.In general, e...