瀏覽次數(shu)：
112
發布時間(jian)：
2018
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09
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07
氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)化(hua)(hua)(hua)學(xue)式YCl3。分(fen)子(zi)量(liang) 195.26。有(you)(you)(you)光(guang)澤的(de)(de)白色(se)(se)葉(xie)狀晶體(ti)(ti)。其(qi)(qi)一水(shui)合物(wu)為(wei)(wei)無(wu)色(se)(se)晶體(ti)(ti)，160℃失(shi)去1分(fen)子(zi)水(shui)。其(qi)(qi)六水(shui)合物(wu)為(wei)(wei)無(wu)色(se)(se)或(huo)略(lve)帶紅(hong)色(se)(se) 晶體(ti)(ti)，相對(dui)密度(du)(du)2.1818，100℃失(shi)去5分(fen)子(zi)水(shui)。溶(rong)于水(shui)、乙醇(chun)、吡(bi)啶。以(yi)往(wang)報(bao)道(dao)顯示一定濃(nong)(nong)度(du)(du)的(de)(de)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)可引起人(ren)淋巴(ba)細(xi)(xi)胞(bao)(bao)DNA分(fen)子(zi)損傷(shang)和(he)(he)對(dui)成(cheng)(cheng)纖(xian)維(wei)細(xi)(xi)胞(bao)(bao)生長有(you)(you)(you)抑制(zhi)(zhi)(zhi)作(zuo)用(yong)(yong)(yong)(yong)(yong)，但(dan)也有(you)(you)(you)報(bao)道(dao)認為(wei)(wei)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)對(dui)紅(hong)細(xi)(xi)胞(bao)(bao)膜無(wu)損傷(shang)作(zuo)用(yong)(yong)(yong)(yong)(yong)，表(biao)(biao)明氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)對(dui)不同細(xi)(xi)胞(bao)(bao)作(zuo)用(yong)(yong)(yong)(yong)(yong)有(you)(you)(you)差異。人(ren)皮(pi)膚(fu)的(de)(de)表(biao)(biao)皮(pi)細(xi)(xi)胞(bao)(bao)最(zui)易與環境(jing)中(zhong)(zhong)的(de)(de)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)直接接觸，但(dan)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)對(dui)表(biao)(biao)皮(pi)細(xi)(xi)胞(bao)(bao)的(de)(de)影(ying)響(xiang)(xiang)報(bao)道(dao)較少(shao)。 氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)的(de)(de)用(yong)(yong)(yong)(yong)(yong)途是什(shen)么？ 1. 氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)可用(yong)(yong)(yong)(yong)(yong)于制(zhi)(zhi)(zhi)備樹(shu)脂(zhi)表(biao)(biao)面(mian)復合涂(tu)層。如(ru) 一種從廢(fei)棄熒光(guang)粉(fen)(fen)中(zhong)(zhong)回收(shou)稀(xi)土(tu)元(yuan)(yuan)(yuan)素(su) 釔(yi)(yi)(yi)并制(zhi)(zhi)(zhi)備樹(shu)脂(zhi)表(biao)(biao)面(mian)復合鍍(du)層的(de)(de)方法，包括以(yi)下(xia)(xia)(xia)步(bu)(bu)(bu)驟(zou)(zou)： a、利用(yong)(yong)(yong)(yong)(yong)篩分(fen)法將破碎后(hou)(hou)的(de)(de)熒光(guang)粉(fen)(fen)與雜質(zhi)分(fen)離開(kai)，通(tong)過20目、60目、100目、200目網(wang)篩逐步(bu)(bu)(bu)篩分(fen)后(hou)(hou)，收(shou)集(ji)200目篩下(xia)(xia)(xia)物(wu)，篩下(xia)(xia)(xia)物(wu)占未篩前(qian)粉(fen)(fen)體(ti)(ti)重量(liang)的(de)(de)99.9％以(yi)上； b、將步(bu)(bu)(bu)驟(zou)(zou)a得(de)到(dao)(dao)的(de)(de)篩下(xia)(xia)(xia)物(wu)加入(ru)到(dao)(dao)酸和(he)(he)雙氧水(shui)混合液(ye)(ye)中(zhong)(zhong)，反(fan)應(ying)一段時(shi)間，然(ran)后(hou)(hou)進(jin)(jin)(jin)行(xing)過濾(lv)，濾(lv)液(ye)(ye)中(zhong)(zhong)含(han)有(you)(you)(you)稀(xi)土(tu)元(yuan)(yuan)(yuan)素(su)； c、將步(bu)(bu)(bu)驟(zou)(zou)b得(de)到(dao)(dao)的(de)(de)濾(lv)液(ye)(ye)采(cai)用(yong)(yong)(yong)(yong)(yong)磷系萃(cui)取(qu)劑進(jin)(jin)(jin)行(xing)萃(cui)取(qu)，分(fen)三級萃(cui)取(qu)后(hou)(hou)，萃(cui)取(qu)液(ye)(ye)中(zhong)(zhong)只(zhi)含(han)有(you)(you)(you)稀(xi)土(tu)元(yuan)(yuan)(yuan)素(su)； d、將步(bu)(bu)(bu)驟(zou)(zou)c得(de)到(dao)(dao)的(de)(de)含(han)有(you)(you)(you)稀(xi)土(tu)元(yuan)(yuan)(yuan)素(su)的(de)(de)萃(cui)取(qu)液(ye)(ye)用(yong)(yong)(yong)(yong)(yong)鹽酸進(jin)(jin)(jin)行(xing)反(fan)萃(cui)，反(fan)萃(cui)液(ye)(ye)中(zhong)(zhong)為(wei)(wei)稀(xi)土(tu)元(yuan)(yuan)(yuan)素(su)釔(yi)(yi)(yi)，如(ru)果萃(cui)取(qu)液(ye)(ye)中(zhong)(zhong)還含(han)有(you)(you)(you)稀(xi)土(tu)銪(you)，則稀(xi)土(tu)銪(you)在萃(cui)余(yu)液(ye)(ye)中(zhong)(zhong)； e、將步(bu)(bu)(bu)驟(zou)(zou)d得(de)到(dao)(dao)的(de)(de)反(fan)萃(cui)液(ye)(ye)加入(ru)氨水(shui)進(jin)(jin)(jin)行(xing)中(zhong)(zhong)和(he)(he)至溶(rong)液(ye)(ye)剛有(you)(you)(you)少(shao)量(liang)白色(se)(se)沉淀(dian)產生，溶(rong)液(ye)(ye)主要成(cheng)(cheng)份為(wei)(wei)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)，將氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)溶(rong)液(ye)(ye)蒸(zheng)發濃(nong)(nong)縮(suo)或(huo)蒸(zheng)干再配制(zhi)(zhi)(zhi)成(cheng)(cheng)一定濃(nong)(nong)度(du)(du)后(hou)(hou)，逐滴加入(ru)到(dao)(dao)配有(you)(you)(you)分(fen)散(san)劑的(de)(de)碳酸氫銨溶(rong)液(ye)(ye)中(zhong)(zhong)，生成(cheng)(cheng)前(qian)驅體(ti)(ti)； f、將步(bu)(bu)(bu)驟(zou)(zou)e得(de)到(dao)(dao)的(de)(de)前(qian)驅體(ti)(ti)過濾(lv)、烘(hong)干后(hou)(hou)，進(jin)(jin)(jin)行(xing)煅燒，研(yan)磨后(hou)(hou)得(de)到(dao)(dao)納米氧化(hua)(hua)(hua)釔(yi)(yi)(yi)粉(fen)(fen)末(mo)； g、將步(bu)(bu)(bu)驟(zou)(zou)f得(de)到(dao)(dao)的(de)(de)納米氧化(hua)(hua)(hua)釔(yi)(yi)(yi)粉(fen)(fen)末(mo)加入(ru)至配有(you)(you)(you)分(fen)散(san)劑的(de)(de)電(dian)鍍(du)液(ye)(ye)中(zhong)(zhong)制(zhi)(zhi)(zhi)成(cheng)(cheng)復合電(dian)鍍(du) 液(ye)(ye)，電(dian)鍍(du)至樹(shu)脂(zhi)表(biao)(biao)面(mian)。 2. 氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)對(dui)人(ren)表(biao)(biao)皮(pi)細(xi)(xi)胞(bao)(bao)作(zuo)用(yong)(yong)(yong)(yong)(yong)：釔(yi)(yi)(yi)為(wei)(wei)稀(xi)有(you)(you)(you)元(yuan)(yuan)(yuan)素(su)，在低(di)濃(nong)(nong)度(du)(du)對(dui)表(biao)(biao)皮(pi)細(xi)(xi)胞(bao)(bao)體(ti)(ti)外增殖無(wu)影(ying)響(xiang)(xiang)。氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi)對(dui)紫外線誘導(dao)表(biao)(biao)皮(pi)細(xi)(xi)胞(bao)(bao)凋亡有(you)(you)(you)一定影(ying)響(xiang)(xiang)，研(yan)究結果顯示加入(ru)低(di)濃(nong)(nong)度(du)(du)氯(lv)(lv)(lv)(lv)化(hua)(hua)(hua)釔(yi)(yi)(yi) 0....