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2018
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氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)化(hua)(hua)(hua)(hua)(hua)學式(shi)YCl3。分(fen)(fen)子(zi)量(liang)(liang) 195.26。有(you)(you)(you)(you)光澤的(de)(de)(de)(de)(de)白色葉狀晶體(ti)。其一(yi)水(shui)合(he)物(wu)為(wei)無(wu)色晶體(ti),160℃失(shi)去1分(fen)(fen)子(zi)水(shui)。其六水(shui)合(he)物(wu)為(wei)無(wu)色或略帶紅色 晶體(ti),相對密度(du)(du)(du)2.1818,100℃失(shi)去5分(fen)(fen)子(zi)水(shui)。溶(rong)(rong)于(yu)水(shui)、乙醇、吡啶。以(yi)往(wang)報(bao)道(dao)顯示一(yi)定濃度(du)(du)(du)的(de)(de)(de)(de)(de)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)可(ke)引起人淋巴細胞(bao)DNA分(fen)(fen)子(zi)損(sun)傷(shang)和(he)對成纖維細胞(bao)生(sheng)長有(you)(you)(you)(you)抑制作用(yong),但也有(you)(you)(you)(you)報(bao)道(dao)認為(wei)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)對紅細胞(bao)膜(mo)無(wu)損(sun)傷(shang)作用(yong),表明氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)對不同(tong)細胞(bao)作用(yong)有(you)(you)(you)(you)差異。人皮(pi)膚的(de)(de)(de)(de)(de)表皮(pi)細胞(bao)最易與環境中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)直(zhi)接(jie)接(jie)觸,但氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)對表皮(pi)細胞(bao)的(de)(de)(de)(de)(de)影(ying)(ying)響(xiang)報(bao)道(dao)較少。 氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)的(de)(de)(de)(de)(de)用(yong)途是什(shen)么? 1. 氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)可(ke)用(yong)于(yu)制備樹脂(zhi)表面復(fu)(fu)合(he)涂(tu)層。如 一(yi)種從(cong)廢棄(qi)熒(ying)光粉中(zhong)(zhong)(zhong)(zhong)回收稀(xi)(xi)(xi)土(tu)(tu)元(yuan)(yuan)(yuan)素(su) 釔(yi)并(bing)制備樹脂(zhi)表面復(fu)(fu)合(he)鍍(du)層的(de)(de)(de)(de)(de)方法(fa),包(bao)括以(yi)下(xia)步(bu)驟: a、利用(yong)篩(shai)(shai)(shai)(shai)分(fen)(fen)法(fa)將(jiang)破(po)碎后的(de)(de)(de)(de)(de)熒(ying)光粉與雜質分(fen)(fen)離(li)開,通過(guo)20目、60目、100目、200目網篩(shai)(shai)(shai)(shai)逐(zhu)步(bu)篩(shai)(shai)(shai)(shai)分(fen)(fen)后,收集(ji)200目篩(shai)(shai)(shai)(shai)下(xia)物(wu),篩(shai)(shai)(shai)(shai)下(xia)物(wu)占未篩(shai)(shai)(shai)(shai)前粉體(ti)重量(liang)(liang)的(de)(de)(de)(de)(de)99.9%以(yi)上; b、將(jiang)步(bu)驟a得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)下(xia)物(wu)加(jia)(jia)(jia)入(ru)(ru)到(dao)(dao)(dao)(dao)酸和(he)雙氧水(shui)混合(he)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong),反(fan)應一(yi)段(duan)時間,然后進(jin)行(xing)過(guo)濾,濾液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)含(han)有(you)(you)(you)(you)稀(xi)(xi)(xi)土(tu)(tu)元(yuan)(yuan)(yuan)素(su); c、將(jiang)步(bu)驟b得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)濾液(ye)(ye)(ye)(ye)(ye)采用(yong)磷(lin)系萃(cui)取(qu)劑進(jin)行(xing)萃(cui)取(qu),分(fen)(fen)三級(ji)萃(cui)取(qu)后,萃(cui)取(qu)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)只含(han)有(you)(you)(you)(you)稀(xi)(xi)(xi)土(tu)(tu)元(yuan)(yuan)(yuan)素(su); d、將(jiang)步(bu)驟c得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)含(han)有(you)(you)(you)(you)稀(xi)(xi)(xi)土(tu)(tu)元(yuan)(yuan)(yuan)素(su)的(de)(de)(de)(de)(de)萃(cui)取(qu)液(ye)(ye)(ye)(ye)(ye)用(yong)鹽酸進(jin)行(xing)反(fan)萃(cui),反(fan)萃(cui)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)為(wei)稀(xi)(xi)(xi)土(tu)(tu)元(yuan)(yuan)(yuan)素(su)釔(yi),如果萃(cui)取(qu)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)還含(han)有(you)(you)(you)(you)稀(xi)(xi)(xi)土(tu)(tu)銪,則稀(xi)(xi)(xi)土(tu)(tu)銪在萃(cui)余液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong); e、將(jiang)步(bu)驟d得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)反(fan)萃(cui)液(ye)(ye)(ye)(ye)(ye)加(jia)(jia)(jia)入(ru)(ru)氨水(shui)進(jin)行(xing)中(zhong)(zhong)(zhong)(zhong)和(he)至溶(rong)(rong)液(ye)(ye)(ye)(ye)(ye)剛(gang)有(you)(you)(you)(you)少量(liang)(liang)白色沉(chen)淀產生(sheng),溶(rong)(rong)液(ye)(ye)(ye)(ye)(ye)主(zhu)要(yao)成份為(wei)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi),將(jiang)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)溶(rong)(rong)液(ye)(ye)(ye)(ye)(ye)蒸發濃縮或蒸干再配(pei)制成一(yi)定濃度(du)(du)(du)后,逐(zhu)滴加(jia)(jia)(jia)入(ru)(ru)到(dao)(dao)(dao)(dao)配(pei)有(you)(you)(you)(you)分(fen)(fen)散劑的(de)(de)(de)(de)(de)碳酸氫銨溶(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong),生(sheng)成前驅體(ti); f、將(jiang)步(bu)驟e得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)前驅體(ti)過(guo)濾、烘干后,進(jin)行(xing)煅(duan)燒,研磨后得(de)(de)到(dao)(dao)(dao)(dao)納米氧化(hua)(hua)(hua)(hua)(hua)釔(yi)粉末; g、將(jiang)步(bu)驟f得(de)(de)到(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)納米氧化(hua)(hua)(hua)(hua)(hua)釔(yi)粉末加(jia)(jia)(jia)入(ru)(ru)至配(pei)有(you)(you)(you)(you)分(fen)(fen)散劑的(de)(de)(de)(de)(de)電鍍(du)液(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)制成復(fu)(fu)合(he)電鍍(du) 液(ye)(ye)(ye)(ye)(ye),電鍍(du)至樹脂(zhi)表面。 2. 氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)對人表皮(pi)細胞(bao)作用(yong):釔(yi)為(wei)稀(xi)(xi)(xi)有(you)(you)(you)(you)元(yuan)(yuan)(yuan)素(su),在低濃度(du)(du)(du)對表皮(pi)細胞(bao)體(ti)外(wai)增殖無(wu)影(ying)(ying)響(xiang)。氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi)對紫外(wai)線誘導表皮(pi)細胞(bao)凋(diao)亡有(you)(you)(you)(you)一(yi)定影(ying)(ying)響(xiang),研究(jiu)結果顯示加(jia)(jia)(jia)入(ru)(ru)低濃度(du)(du)(du)氯(lv)(lv)化(hua)(hua)(hua)(hua)(hua)釔(yi) 0....