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电感耦合等离子体质谱法测定手机壳套中 14 种可迁移元素
浏览次数:106发布日期:2020-08-12

懂球帝SHOUJIQIAOTAOSHIDUISHOUJIWAIGUANJINXINGBAOHUHUOZHUANGSHIDEZHUANGSHIPIN,JUYOUFANGHUA、FANGZHEN、FANGGUA、FANGSHUAI、NAIMO、MEIGUANDENGTEDIAN。YOUYUSHOUJIPINPAIHEGONGNENGBUTONG,SHOUJIQIAOTAODEZHONGLEIDUOZHONGDUOYANG,ANQICAIZHIKEFENWEIJUTANSUANZHIQIAO、JULVYIXIQIAO、TPU SUJIAOQIAO、ABS QIAO、JUBINGXIQIAO、PIGEQIAO、GUIJIAOQIAO、BULIAOQIAO、JINSHUGANGHUABOLIQIAO、RONGZHIQIAO、CHOUZHIQIAODENG。

JUGUOWAIMEITIBAODAO,2018 NIANQUANQIUZHINENGSHOUJIGONGXIAOSHOU14.98 YIBU,SHOUJITAODEYONGLIANGYEYURIJUZENG。SHOUJIQIAOTAOZHONGDEKEQIANYIYOUHAIYUANSUZHUYAOYOUQIAN、GE、GE、GONG、TI、SHEN、XI、BEI、XI、XIN、GU、TONG、MENG、NIE、SI、FANDENG,ZHEIXIEKERONGXINGYUANSUJINGRENTISHOUSHANGDEHANYE、LIANBUYOUZHIHUOZHEYINGYOUERKENYAOSHIDETUOYEQIANYIZHIRENTINEI,DUIRENTIZAOCHENGWEIHAI。LIRUQIANKEDUIRENTIMIANYIXITONG、SHENJINGXITONG、SHENGZHIXITONG、XIAOHUAXITONGDENGZAOCHENGWEIHAI,DUICHUYUSHENGZHANGFAYUSHIQIDEERTONG,KEYINQIDUOXITONGSUNSHANG。BUFENFANHUAHEWUDUIYANJINGHEPIFUJUYOUCIJIZUOYONG,DUIHUXIDAO、XIAOHUADAO、XUEYE、SHENJINGDENGJUYOUDUXING。GUOLIANGDEXINBUJINHUIYIZHIJITIDEZHENGCHANGSHENGZHANGFAYU,JIANGDIJITIMIANYIGONGNENG,HAIHUIYINQIXIONGXINGDONGWUDEBUYU。MENGKEYIZHIJIEJINRURENTIDANAOCHANSHENGSHENJINGDUXING,HAIHUIFUJIYUGANZANG,ZAOCHENGGANSUNSHANG。GUOLIANGHANGEHUAHEWUKEYINQISHENZANGSUNSHANG,ZAOCHENGSHENGONGNENGJINIAOZHONGMEIHEDANBAIHANLIANGDEGAIBIAN,YANZHONGSHIKENENGDAOZHISHENZANGHUAISI。YINCIJIANLISHOUJIQIAOTAOZHONGDUOZHONGKEQIANYIYOUHAIYUANSUHANLIANGDECEDINGFANGFAJUYOUZHONGYAOYIYI。

懂球帝DIANGANOUHEDENGLIZITIZHIPU (ICP–MS) FAJUYOULINGMINDUGAO、XIANXINGFANWEIGUANG、DINGLIANGZHUNQUE、DUOYUANSUTONGSHICEDINGDENGTEDIAN,YIGUANGFANYINGYONGYUSHIPIN、HUANJING、DIZHIDENGLINGYUZHONGHENLIANGJICHAOHENLIANGYUANSUDEJIANCE。MUQIANSHANGWUSHOUJIQIAOTAOZHONGDUOZHONGKEQIANYIYOUHAIYUANSUTONGSHIJIANCEDEGUOJIAHUOXINGYEBIAOZHUN,YEZANWUXIANGGUANWENXIANBAODAO。BIZHETONGGUORENGONGMONIHANYESHIYANFANGFA,JIANLILEDIANGANOUHEDENGLIZITIZHIPUFACEDINGSHOUJIQIAOTAOZHONG14 ZHONGKEQIANYIYUANSUHANLIANGDEFANGFA,WEITIGAOHEKONGZHISHOUJIQIAOTAOCHANPINZHILIANGTIGONGYIDINGDEJISHUZHICHI。

1 实验部分

1.1 主要仪器与试剂

DIANGANOUHEDENGLIZITIZHIPUYI:NEXION 300 XING;

WEIBOXIAOJIEYI:ETHOS UP XING;

GANSUANYI:YKM–36 XING

懂球帝CHAOCHUNSHUIJI:Milli-Q Reference XING;

懂球帝DIANZITIANPING:AL204XING,GANLIANGWEI0.000 1 g;

懂球帝HENGWENSHUIYUGUO:HH.S21–8 XING;

JINGMI pH JI:PHS–3C XING;

FAN、SHEN、QIAN、GONG、GE、GE、NIE、MENG、SI、BEI、TONG、XINDANYUANSUBIAOZHUNRONGYE:ZHILIANGNONGDUJUNWEI 1 000 μg/mL,BIANHAOFEN BIE WEI GSB G 62016–90,GSB G 62028–90,GSB G62071–90,GSB G 62069–90,GSB G 62017–90,GSB G 62040–90,GSB G 62022–90,GSB G 62019–90,GSB G 62031–90,GSB G 62046–90,GSB G 62024–90 HE GSB G 62025–90;

XI、TIDANYUANSUBIAOZHUNRONGYE:ZHILIANGNONGDUJUNWEI 500 μg/mL,BIANHAOFENBIEWEI GSB G 62042–90 HE GSB G 62043–90;

ZHE、YIN、LAI、LAODANYUANSUNEIBIAOBIAOZHUNRONGYE:ZHILIANGNONGDUJUNWEI 1 000 μg/mL,BIANHAOFENBIEWEI GSB G 62073–90,GSB G 62041–90,GSB G 62064–90,GSB G 62037–90;

ZHIPUYIDIAOXIERONGYE:HANPI、SHI、TIE、YIN、LI、MEI、QIAN、YOUYUANSU,ZHILIANGNONGDUJUNWEI 1 μg/mL;

NIAOSU:FENXICHUN;

LVHUANA、ANSHUI:FENXICHUN;

懂球帝DL– RUSUAN:FENXICHUN;

XIAOSUAN:YOUJICHUN;

懂球帝YAQI、HAIQI:CHUNDUJUNWEI 99.999%;

懂球帝SHOUJIQIAOTAOYANGPIN:GONG 12 PICI,GOUZIWANGSHANGSHANGCHENG、CHAOSHIHEDITAN,CAIZHIFENBIEWEIGUIJIAO、JUTANSUANZHI、JULVYIXI、BULIAO、PIGE、GANGHUABOLIJINGMIAN;

SHIYANYONGSHUIWEICHAOCHUNSHUI。

1.2 溶液配制

XIAOSUANRONGYE:TIJIFENSHUWEI 2%,ZHUNQUEYIQU 20 mL XIAOSUANYU 1 000 mL RONGLIANGPINGZHONG,YONGCHAOCHUNSHUIDINGRONGZHIBIAOXIAN,YAOYUN,BEIYONG。

ANSHUIRONGYE:TIJIFENSHUWEI 2.5%,LIANGQU 103 mL ANSHUIYU 1 000 mL RONGLIANGPINGZHONG,YONGCHAOCHUNSHUIDINGRONGZHIBIAOXIAN,YAOYUN,BEIYONG。

MENG、TONG、XIN、SI、BEIHUNHEBIAOZHUNCHUBEIRONGYE:5 μg/mL,FENBIEYIQU 0.5 mL MENG、TONG、XIN、SI、BEIDANYUANSUBIAOZHUNRONGYEYU 100 mL RONGLIANGPINGZHONG,YONG 2% XIAOSUANRONGYEDINGRONGZHIBIAOXIAN,YAOYUN。

FAN、GE、NIE、SHEN、XI、GE、QIANHUNHEBIAOZHUNCHUBEIRONGYE:500 ng/mL,FENBIEYIQU 0.05 mL FAN、GE、NIE、SHEN、GE、QIANHE 0.1 mL XIDANYUANSUBIAOZHUNRONGYEYU 100 mL RONGLIANGPINGZHONG,YONG 2% XIAOSUANRONGYEDINGRONGZHIBIAOXIAN,YAOYUN。

GONG、TIHUNHEBIAOZHUNCHUBEIRONGYE:5 μg/mL,FENBIEYIQU 0.5 mL GONGHE 1 mL TIDANYUANSUBIAOZHUNRONGYEYU 100 mLRONGLIANGPINGZHONG,YONG 2% XIAOSUANRONGYEDINGRONGZHIBIAOXIAN,YAOYUN。

GONG、TIHUNHEBIAOZHUNZHONGJIANYE:50 ng/mL,YIQU 1 mLGONG、TIHUNHEBIAOZHUNCHUBEIRONGYEYU 100 mL RONGLIANGPINGZHONG,YONG 2%XIAOSUANRONGYEDINGRONGZHIBIAOXIAN,YAOYUN。

14 ZHONGYUANSUHUNHEBIAOZHUNGONGZUORONGYE:FENBIEYIQU 0,0.2, 1,2,5,10 mL MENG、TONG、XIN、SI、BEIHUNHEBIAOZHUNCHUBEIRONGYEHEFAN、GE、NIE、SHEN、XI、GE、QIANHUNHEBIAOZHUNCHUBEIRONGYEYIJIGONG、TIHUNHEBIAOZHUNZHONGJIANYEYU 6 ZHI 100 mL RONGLIANGPINGZHONG,YONG 2%XIAOSUANRONGYEXISHIBINGDINGRONGZHIBIAOXIAN,YAOYUN,PEIZHICHENGMENG、TONG、XIN、SI、BEIDEZHILIANGNONGDUJUNFENBIEWEI 0,10,50,100,250,500 μg/L,FAN、GE、NIE、SHEN、XI、GE、QIANDEZHILIANGNONGDUJUNFENBIE 0,1,5,10,25,50 μg/L,GONG、TIDEZHILIANGNONGDUJUNFENBIEWEI 0,0.1,0.5,1,2.5,5 μg/L XILIEHUNHEBIAOZHUNGONGZUORONGYE。

ZHE、YIN、LAI、LAOHUNHENEIBIAOGONGZUORONGYE:FENBIEYIQU 0.25 mL ZHE、YIN、LAI、LAO 4 ZHONGDANYUANSUNEIBIAOBIAOZHUNRONGYEYU 500 mL RONGLIANGPINGZHONG,YONG 2% XIAOSUANRONGYEDINGRONGZHIBIAOXIAN,YAOYUN,PEIZHICHENGZHE、YIN、LAI、LAOZHILIANGNONGDUJUNWEI 500 μg/L DEHUNHENEIBIAOGONGZUORONGYE。

MONIHANYERONGYE:YIQU 900 mL SHUIYU 1 000 mL SHAOBEIZHONG,JIARU 5 g NIAOSU、1 g LVHUANAHE 1 g DL– RUSUAN,JIAOBANZHISUOYOUSHIJIWANQUANRONGJIE,ZAIQINGQINGJIAOBANXIAZHUDIJIARU2.5% ANSHUIRONGYE,DIAOJIERONGYE pH ZHIZHI (4.4±0.1)。JIANGRONGYEZHUANYIZHI 1 000 mL RONGLIANGPINGZHONG,JIARUSHUIDINGRONGZHIBIAOXIAN,YAOYUN。

1.3 仪器工作条件

DENGLIZITISHEPINGONGLV:1 300 W ;LENGQUEQI:YAQI,LIULIANGWEI 15 L/min ;FUZHUQI:YAQI,LIULIANGWEI 1.2 L/min ;WUHUAQI:YAQI,LIULIANGWEI 1.0 L/min ;CEDINGMOSHI:HAIMOSHI;SIJIGANZHENKONGDU:8.9×10–6 Pa ;WUHUASHIWENDU:3℃;RUDONGBENGZHUANSU:24 r/min ;JINYANGSHIJIAN:30 s ;FENGXINGXUANZE:3 DIAN;JIANCEZHONGFUCISHU:3 CI;SHUJUCAIJIFANGSHI:TIAOFENG。

1.4 样品处理

JIANGYANGPINJIANSUI,CHENGQUYUE 1.0 g YANGPINZHIYUZHUIXINGPINGZHONG,JIARU 50 mL MONIHANYERONGYE,ZAI (37±2)℃HENGWENSHUIYUZHENDANGYAOCHUANGZHONGYI 60 CI/min DEPINLVZHENDANG 1 h,GUOLV,ZHIDEYANGPINJINPAOYE。LIANGQU 10 mL YANGPINJINPAOYEYUXIAOJIEGUANZHONG,JIARU 5 mL NONGXIAOSUAN,ZHIYUWEIBOXIAOJIEYIZHONGXIAOJIE,XIAOJIEYEYONGGANSUANYIJIARENONGSUOZHIYUE 1 mL,LENGQUEHOUZHUANYIZHI25 mL RONGLIANGPINGZHONG,YONGSHUIDINGRONGZHIBIAOXIAN,YAOYUN,JIWEIYANGPINXIAOJIEYE。ANXIANGTONGFANGFATONGSHIZUOKONGBAISHIYANG。

2 结果与讨论

2.1 样品前处理方法选择

懂球帝FENBIEKAOCHAZHIJIECEDINGJINPAOYEHEJINPAOYEJINGWEIBOXIAOJIEHOUCEDINGLIANGZHONGYANGPINCHULIFANGFADUICEDINGJIEGUODEYINGXIANG。JIEGUOFAXIAN,ZHIJIECEDINGJINPAOYESHI,CEDINGJIEGUODEXIANGDUIBIAOZHUNPIANCHADAYU 10%,YUANYINKENENGSHISHOUJIQIAOTAOBIAOMIANZHANYOUTUOMOJIHUOQINGXIJI,ZHEIXIEWUZHIDUOWEIYOUJIJUHEWU,ZAIJINPAOGUOCHENGZHONGZHUANYIZHIJINPAOYEZHONG,DUIJIANCEJIEGUOCHANSHENGJITIGANRAO,ERTONGGUOWEIBOXIAOJIEKEYIJIAOHAODIJIEJUESHANGSHUWENTI,JINPAOYEJINGWEIBOXIAOJIEHOUCEDINGJIEGUODEXIANGDUIBIAOZHUNPIANCHAXIAOYU 10%。

2.2 干扰及消除

DIANGANOUHEDENGLIZITIZHIPUFACEDINGSHIDEGANRAOZHUYAOYOUZHIPUGANRAOHEFEIZHIPUGANRAOLIANGLEI。ZHIPUGANRAOZHUYAOBAOKUOTONGLIANGYIWEISUGANRAO、DUOYUANZILIZIGANRAO、YANGHUAWUHESHUANGDIANHEGANRAODENG,BIAOXIANWEIZHIPUFENGZHONGDIE。FEIZHIPUGANRAOZHUYAOBAOKUOJITIYIZHIGANRAO、KONGJIANDIANHEXIAOYINGGANRAO、WULIXIAOYINGGANRAODENG。

懂球帝TONGGUOXUANZEBUSHOUTONGLIANGYIWEISUGANRAODEDAICEYUANSUTONGWEISUCEDINGLAIXIAOCHUTONGLIANGYIWEISUGANRAO。14 ZHONGKEQIANYIYUANSUZHONG,55Mn HE 75As MEIYOUTONGWEISU,QITAYUANSUFENBIEXUANZE 51V,52Cr,60Ni,63Cu,66Zn,88Sr,118Sn,111Cd,137Ba,123Sb,200Hg,208Pb TONGWEISUJINXINGCEDING。

懂球帝JIANGDAICEGEYUANSUFENBIEZAI He MOSHIHEPUTONGMOSHILIANGZHONGFENXIMOSHIXIAJINXINGKAOCHA,FAXIANDABUFENDAICEYUANSUZAI HeMOSHIXIADEBEIJINGDENGXIAONONGDUDAFUJIANGDI,YOUXIAOXIAOCHULEBEIJINGGANRAO,GUXUANZE He MOSHIXIAOCHUDUOYUANZILIZIGANRAO。

CAIYONGZHIPUYIDIAOXIERONGYEDUIYIQIJINXINGYOUHUADIAOXIEXIAOCHUYANGHUAWUHESHUANGDIANHEGANRAO。

懂球帝CAIYONGNEIBIAOXIAOZHENGFAXIAOCHUFEIZHIPUXINGGANRAO。ANZHAONEIBIAOYUANSUTONGWEISUZHILIANGSHUYUDAICEYUANSUZHILIANGSHUXIANGJINDEYUANZEXUANZENEIBIAOYUANSU。51V,52Cr,55Mn,60Ni,63Cu,66Zn XUAN ZE 72Ge ZUONEIBIAO;75As,88Sr,111Cd XUANZE 103Rh ZUONEIBIAO;118Sn,123Sb,137Ba XUANZE 115In ZUONEIBIAO;200Hg,208Pb XUANZE185Re ZUONEIBIAO。

2.3 线性方程和检出限

ZAI 1.3 YIQIGONGZUOTIAOJIANXIA,DUIXILIEHUNHEBIAOZHUNGONGZUORONGYEJINXINGCEDING,YIDAICEYUANSUDEZHILIANGNONGDU (x) WEIHENGZUOBIAO,YIDAICEYUANSUYUNEIBIAOYUANSUXIANGYINGXINHAOZHIDEBIZHI (y)WEIZONGZUOBIAO,HUIZHIBIAOZHUNQUXIAN,JISUANXIANXINGFANGCHENGHEXIANGGUANXISHU。ZAI 1.3 YIQIGONGZUOTIAOJIANXIA,DUIKONGBAIRONGYEPINGXINGCEDING11 CI,YI 3 BEIBIAOZHUNPIANCHAZUOWEIFANGFAJIANCHUXIAN。GEYUANSUDEXIANXINGFANWEI、XIANXINGFANGCHENG、XIANGGUANXISHUJIJIANCHUXIANJIANBIAO 1。

懂球帝YOUBIAO 1KE ZHI,14ZHONGYUANSUZAIGEZIDEZHILIANGNONGDUFANWEINEIJUYOULIANGHAODEXIANXINGGUANXI,XIANGGUANXISHUWEI0.999 2~0.999 9,FANGFAJIANCHUXIANWEI 0.004~0.400 μg/L。BIAOMINGGAIFANGFAMANZUCEDINGYAOQIU。

2.4 加标回收与精却度试验

ANRENGONGMONIHANYESHIYANFANGFA,XUANZEBENDIZHIJIAODIDEYANGPINJINPAOYE,FENBIETIANJIA 5,10,25 μg/L 3 GENONGDUSHUIPINGDEBIAOZHUNRONGYEJINXINGJIABIAOHUISHOUSHIYAN,JIEGUOJIANBIAO 2。

YOUBIAO 2 KEZHI,YANGPINJIABIAOHUISHOULVWEI 88.2%~99.5%,CEDINGJIEGUODEXIANGDUIBIAOZHUNPIANCHAWEI 2.5%~9.3%,BIAOMINGGAIFANGFAJUYOUJIAOHAODEZHUNQUEDUHEJINGMIDU。

2.5 实际样品测定

ANSUOJIANFANGFAFENBIEDUIGUIJIAO、JUTANSUANZHI、JULVYIXI、BULIAO、PIGE、JINSHUGANGHUABOLIJINGMIAN 6 ZHONGCAIZHIGELIANGGEPICI,GONGJI 12 PICIDESHOUJIQIAOTAOSHIJIYANGPINJINXINGCEDING,JIEGUOJIANBIAO 3。YOUBIAO 3 KEZHI,1 HAOSHOUJIQIAOTAOYANGPIN ( BOLIJINGMIANCAIZHI,YOUCAISETUAN ) ZHONGYOUFANJIANCHU,SHIYINWEIFANDEYANLEICHENGGEZHONGYANSE,FANHUAHEWUZUOWEIYANLIAOJIARUDAOYANGPINZHONG,ZHICHENGLECAISEYANGPIN;ER 2 HAOSHOUJIQIAOTAOYANGPIN ( BOLIJINGMIANCAIZHI,WUSE ) ZEMEIYOUJIANCHUFANYUANSU;GUIJIAOCAIZHIDESHOUJIQIAOTAOYANGPINZHONGXINHANLIANGPIANGAODEYUANYINKENENGSHIGUIJIAOZHIPINGAOWENCHENGXINGSHITIANJIALEYANGHUAXINZUOWEILIUHUAJI;MENGJIQIHUAHEWUCHANGYONGZUORANLIAO、YANLIAO、SULIAO、RENZAOSUJIAODENGDEYUANLIAO,YINCIYANSEXIANYANDESHOUJIQIAOTAOZHONGDEMENGHANLIANGHUISHAOWEIGAOXIE;JULVYIXICAIZHIDESHOUJIQIAOTAOZHONGXIHANLIANGPIANGAO,SHIYINWEISHENGCHANJULVYIXISHIJIARULELIUCHUNJIAJIXIZUOWEIREWENDINGJI;PIGECAIZHISHOUJIQIAOTAOZHONGDEGEHANLIANGBIQITACAIZHIDEHANLIANGGAO,SHIYINWEIZHONGGESUANYANTONGCHANGYONGZUOPIGEDEROULIAO。

3 结语

懂球帝CAIYONGRENGONGMONIHANYERONGYEQIANYIDEMOSHICHULIYANGPIN,JIANLILEDIANGANOUHEDENGLIZITIZHIPUFACEDINGSHOUJIQIAOTAOZHONG14 ZHONGKEQIANYIYUANSUHANLIANGDEFENXIFANGFA。GAIFANGFACAOZUOJIANBIAN,GANRAOXIAO,LINGMINDUGAO,DINGLIANGZHUNQUE,SHIYONGYUSHOUJIQIAOTAOZHONG14 ZHONGKEQIANYIYUANSUHANLIANGDECEDING。

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