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                      1. 2020年04月04日 星期六
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                        您所在的位置:首页 > 解决方案 > 微波消解-电感耦合等离子体质谱法测定乳制品中总碘
                         

                        微波消解-电感耦合等离子体质谱法测定乳制品中总碘

                        http://patricianagy.com JIANCETONG SHIJIAN:2015-03-16

                        【摘要】

                        DIANSHIRENTIBIXUDEWEILIANGYUANSUZHIYI,DIANQUEFAHUIDAOZHI JIAZHUANGXIANGONGNENGJIANDI,YINGXIANGZHILIJISHENGZHANGFAYU,DANGUOLIANGBUDIAN HUIDAOZHIJIAZHUANGXIANSUHECHENGGUODUO,XINGCHENGDIANJIAKANG。DIANZAIZIRAN JIEYIYOULITAIDEDIAN、DIANHUAWU、DIANSUANYANYIJIJIAJIDIANDENGDUOZHONG XINGTAICUNZAI,ZAIRENTIHEDONGWUTINEIYUJIAZHUANGXIANDANBAIJIEHE。

                        方案优势

                        佰德利棋牌RUZHIPINZHONGDIANFENXIDEQIANCHULIFANGFAYOUSHUITIFA、JIANTI QUFAHEWEIBOXIAOJIEFA。QUANZHIHEGAOZHINAIFENZHONGDIANYUJIAZHUANGXIAN DANBAIJIEHE,SHUITIQUFAHEJIANTIFAWUFAJIANGQIDUANLIE。XIAOSUAN WEIBOXIAOJIEFANGFASHIHESUOYOURUZHIPINJIZHIZHONGDIANFENXIDEYANGPIN CHULI。

                        采用标准

                        XIANGGUANBIAOZHUN

                        方法/原理/步骤

                          实验室试剂

                          DIANBIAOZHUNCHUBEIRONGYE:1.00 g·L-1,JIANGDIANHUAJIAJIZHUNSHIJIZAI105℃XIAGANZAO2 h,LENGQUEHOUCHENGQU131 mgYU100 mLZONGSERONGLIANGPINGZHONG,YONGSHUIRONGJIEBINGXISHIZHIKEDU,LENGZANGBAOCUN,YOUXIAOQIWEI6GEYUE。SHIYONGQIANYIANSHUI(10+90)RONGYEWEIJIEZHI,PEIZHICHENG10.0mg·L-1,100ug·L-1DIANBIAOZHUNRONGYE。

                          NEIBIAORONGYE:5.0mg·L-1DIRONGYE,ANSHUI(2+98)RONGYEWEIJIEZHI。

                        佰德利棋牌  DIAOXIERONGYE:10.0ug·L-1DEMEI、QIAN、LAOHUNHERONGYE,ANSHUI(2+98)RONGYEWEIJIEZHI。

                          QULATONGX-100(Triton X-100)RONGYE:JIASHUI700 mLYU2000mLSHAOBEIZHONG,ZAICILIJIAOBANQISHANGYUNSUJIAOBAN,MANMANJIARUTriton X-100 50 mL,JIASHUIDINGRONGZHI1 L,YOUXIAOQIWEI6GEYUE。

                          LINXIYE:ANSHUI5 mLHETriton X_100RONGYE50 mL,JIASHUIDINGRONGZHI1 L。

                        佰德利棋牌  ANSHUIHEXIAOSUANWEIFENXICHUN,SHIYANYONGSHUIWEICHAOCHUNSHUI。

                          试验方法

                          样品前处理

                          CHENGQUNAIFENSHIYANG15.0gYUSANJIAOSHAOPINGZHONG,JIARU(60±5)℃SHUI85.0 gRONGJIE,YAOYUNDENAIFENSHIYE。

                          CHENGQUNAIFENSHIYE1.3g(XIANGDANGYU0.2 gNAIFENYANGPIN,YETINAIZHIJIECHENGQU1.0g)YUXIAOJIEGUANZHONG,JIARU5.0mg· L-1DINEIBIAORONGYE1.0 mLHEXIAOSUAN2.5mL,XUANJINGUANGAI,ZHUANGSHANGHUTAOHEGUANKUANGJIA,FANGRUWEIBOXIAOJIEYIZHONG,ANWEIBOXIAOJIECHENGXUJINXINGXIAOJIE,XIAOJIEJIESHUHOU,LENGQUEZHISHIWEN,ZAITONGFENGCHUZHONGXUANSONGXUANNIU,PAIQI。ZAIXIAOJIEGUANZHONGJIARUSHUI10.o mLHOU,JIANGYANGPINRONGYEZHUANYIZHI50 mLLIXINGUANZHONG,JIARUANSHUI10.0 mLHETriton X_100RONGYE2.5 mL,YONGSHUIDINGRONGZHI50.0 mLBINGHUNYUN。TONGSHIZUOKONGBAISHIYAN。

                          样品测定

                        佰德利棋牌  YIQIDIANHUOHOU,YONG10.0ug·L.1DIAOXIERONGYEYOUHUAYIQICANSHU,YONGLINXIYECHONGLINGUANLU,SHIXITONGCHENGJIANXINGHUANJING。DIANWEIDANYITONGWEISUYUANSU,TIANRANFENGDUKERENWEI100%,CELIANGTONGWEISUWEI126.9,XUANZEDIZHILIANGSHUWEI129.9,SHOUDONGJIARUNEIBIAO,CAIYONGBIAOZHUNMOSHIJIANCE,TONGGUONEIBIAORONGYEDIAOJIANCEQIMAICHONG/MONISHUJUZHUANHUANYINZI(P/A),FUHEYIQIYAOQIUHOU,ZAIYIQIGONGZUOTIAOJIANXIA,YICICEDINGSHIJIKONGBAI、BIAOZHUNRONGYEXILIE、YANGPINRONGYE。

                          结果与讨论

                          样品前处理方法的选择

                          YINDIANYIHUIFA,ZAIFENXISHIPINZHONGDIANSHI,TONGCHANGRENWEIWEIBOXIAOJIECHULIYANGPINDIANHUIYOUSUNSHI。SHIYANJIEGUOBIAOMING:WEIBOXIAOJIEFANGFACHULIYANGPINSHI,YINGXUANZEMIBIDEWEIBOXIAOJIEZHUANGZHI,BUNENGXUANZEZIDONGXIEYAWEIBOXIAOJIEZHUANGZHI,QIEXIAOJIEJIESHUHOUCHONGFENLENGQUEZHISHIWEN,KEYISHIDIANFENXIDEDAOJIAOGAODEHUISHOULVHEJINGMIDU。SHIYANXUANZEDEYANGPINLIANGXIANGDANGYU0.2 gNAIFENYANGPIN,XIAOJIEWENDUWEI190℃。

                          分析条件的选择

                          DIANYIDIANLIZIXINGSHIZAIXIAOSUANJIEZHIZHONGCEDINGSHI,FENXIWUCHAJIAODA,YINWEIDIANLIZI、DIAN、DIANSUANGENHEGAODIANSUANGENDENGBUTONGXINGTAIZAIICP.MSLIZIJISHULVBUYIZHI,ZAIXIAOSUANJIEZHIZHONGDIANHUAQINGYIHUIFA,DIANLIZIRONGYIBEIYANGHUACHENGDIAN、DIANSUANGENHEGAODIANSUANGEN,XINHAOBODONGDAQIEWUGUILVXING。ICP_MSFENXIDIAN,ZAIRUOJIANXINGHUANJINGXIAXINHAOBIJIAOWENDING。

                          JUSIFUYIXI(PTFE)HEFUHUAYIBINGXI(FEP)DENGSULIAORONGQIDUIYOULIDIANYOUXIFUZUOYONG,ZHEISHIDEICP—MSJINYANGXITONGCUNZAIJIYIXIAOYING。YONGANSHUIHETriton X_100RONGYEPEIZHIDELINXIYEJINXINGCHONGLIN,SHIXITONGCHENGJIANXINGHUANJING,ZAIRUOJIANXINGHUANJINGXIADIANYIIYIXINGSHICUNZAI,ICP-MSDIANHUOHOUXIANZHUJIANGDILEDIANDEJIYIXIAOYING。SHIYANXUANZEYONGANSHUIHETriton x-100RONGYECHONGLINXITONG30 min,QIEZAIYANGPINRONGYEZHONGJIARUANSHUIHETriton x-100RONGYE。

                        仪器设备

                           实验仪器

                        佰德利棋牌  Elan DRC-eXINGDIANGANOUHEDENGLIZITIZHIPUYI;EX—CELQUANGONGNENGXINGWEIBOXIAOJIEXITONG,DAIDAKUANGJIAMIBIXIAOJIEGUAN,JUYOUFANGQIKONGHEMIFENGWANSHUANGZHONGXIEYABAOHUXIAOJIEGUAN,RONGJI100 mL。

                          

                         

                        仪器工作条件

                          

                        1)IcP_Ms条件射频功率1 100 w;等离子
                        体气流量16.o L·min~,雾化气流量o.9 L·
                        min~;雾化室温度2℃;扫描30次;重复5次;数据
                        采集为跳峰方式;内标加入方式为手动加入。


                        2)微波消解程序功率1 600 W,斜坡升温
                        15 min,保持15 min,升温至190℃,冷却20 min。

                        更多关于 乳制品  微波消解  电感耦合  的新闻

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                        佰德利棋牌http://gdgyjc.patricianagy.com/

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