懂球帝

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標準溶液配制和使用注意事項
瀏覽次數:94發布日期:2019-11-25

懂球帝【LAIYUAN/ZUOZHE】BEINACHUANGLIAN 

標準溶液配制

<BIAOZHUNRONGYEPEIZHI>

BIAOZHUNRONGYEDEQUDEYOULIANGZHONGFANGFA,YIZHONGSHIYONGJIZHUNWUZHIZHIJIEPEIZHI,YIZHONGSHIYONGJIZHUNWUZHIHUOYIZHIZHUNQUENONGDUDEBIAOZHUNRONGYEJINXINGBIAODINGLAIQUDE。

用于配制或標定標準溶液濃度的高純度化學試劑稱為基準試劑或基準物質,用基準試劑或基準物質配制成已知準確濃度的溶液稱為標準溶液。

標準溶液的取得有兩種方法,一種是用基準物質直接配制,一種是用基準物質或已知準確濃度的標準溶液進行標定來取得。標準溶液的濃度準確與否直接關系檢測結果的精密度、準確度。因此配制和使用應注意以下事項:

懂球帝1、YONGYUPEIZHIHUOBIAODINGDEBIAOZHUNRONGYENONGDUDEJIZHUNWUZHIBIXUFUHEYIXIATIAOJIAN:

懂球帝(1)CHUNDUGAO、ZAZHIHANLIANGYIBANBUDECHAOGUO0.001%,DADAOYOUJICHUN。

(2)HUAXUEXINGZHIWENDING,BUYIXISHI,BUBEIKONGQIYANGHUA,GANZAOSHIBUFENJIE。

(3)FENZILIANGDA,SHIYONGSHIYIRONGYUSHUI、XISUAN、XIJIANHEYOUJIRONGJI,NENGCHENGLIANG。

(4)SHIYONGZHONGFUHEHUAXUEFANYINGDEYAOQIU,ZUCHENGHENGDING,BIAODINGSHINENGANHUAXUEFANYINGSHIDINGLIANGWANCHENG,MEIYOUFUFANYINGHUONIFANYING,BIANYUJISUAN。

2、JIZHUNSHIJIBIXUJINGCHONGFENGANZAOHOUCHENGQU,DANGZHIDINGSHIYONGHANYOUJIEJINGSHUIDESHIJISHI,ZHINENGJIANGQIFANGZAISHIYIDEGANZAOQINEIJINXINGGANZAOERBUDEJIARE。

3、配制標準溶液用的溶劑懂球帝需用GB6682----86規定的二級以上純水或優級試劑(不得低于分析純)。

懂球帝4、PEIZHIHUOBIAODINGBIAOZHUNRONGYESUOYONGSHIJIBIXUSHIJIZHUNSHIJIHUOYOUJICHUNSHIJI。

5、SHIYONGDEFENXITIANPING、SHANGDINGGUAN、RONGLIANGPING、YIYEGUANZHUOXUJIANDINGHUOXIAOZHENG。

6、YONGZHIJIEFAPEIZHIBIAOZHUNRONGYESHI,ZHUNQUECHENGQUYIDINGLIANGDEJIZHUNSHIJIRONGJIEHOUYIRURONGLIANGPINGZHONG,YONGRONGJIXISHIDAOBIAOXIAN。GENJUSUOQUDEJIZHUNSHIJIDELIANGHERONGLIANGPINGDERONGLIANGZHIJIEJISUANRONGYEDEZHUNQUENONGDU。

懂球帝7、YONGJIANJIEFAPEIZHIBIAOZHUNRONGYESHI,XIANPEICHENGSHAOGAOYUSUOXUNONGDUDERONGYE,YONGJIZHUNSHIJIHUOYIZHINONGDUDEBIAOZHUNRONGYEZHUNQUEBIAODINGQINONGDU。BIYAOSHIYONGXISHIFADIAOZHENGQINONGDUZHISUOXUZHI。

懂球帝8、PEIZHIHAODEBIAOZHUNRONGYEYINGZHUMINGMINGCHENG、NONGDU、PEIZHIRIQI、YOUXIAOQI、PEIZHIREN,QINONGDU:YONGmol/L、mg/L、ng/LBIAOSHI。

9、BIAODINGBIAOZHUNRONGYEBIXUFENBIE2RENCHENGQUGE4FENJIZHUNSHIJIJINXINGPINGXINGCEDING,PINGXINGBIAODINGJIEGUOXIANGDUIWUCHAYINGXIAOYU0.2%,FOUZEXUYAOZHONGXINBIAODING。

10、MEIFENJIZHUNSHIJIDEYONGLIANGBUYINGGUOXIAO,SHIYONG25mlSHANGDINGGUANSHI,YINENGXIAOHAO20mlDIDINGYEWEIYI;SHIYONG50mlDIDINGGUANSHI,YINENGXIAOHAO45mlSHANGDINGYEWEIYI。

懂球帝11、DUINONGDUBUWENDINGDEBIAOZHUNRONGYE,YINGZHUOQINGDINGQIZHONGXINBIAODING。YAOZAIMEICISHIYONGQIANJINXINGBIAODING。

懂球帝12、GEZHONGBIAOZHUNRONGYEBIXUANQIHUAXUEXINGZHIJINXINGPEIZHIHECHUCUN,DUIYUZAIXIRONGYEZHONGBUWENDINGDEWUZHI,YINGXIANPEIZHINONGDUJIAOGAODECHUBEIYE,SHIYONGQIAN ANFENXIFANGFADEYAOQIUPEIZHICHENGXISHIYE。

13、PEIZHIHAODEBIAOZHUNRONGYEYINGSHIYONGNENGMISAIDEYINGZHIBOLIPINGCHUCUNHUOSULIAOPINGCHUCUN,BUDECHANGQICHUCUNZAIRONGLIANGPINGZHONG。

懂球帝14、CHUBEIBIAOZHUNYEYINGZAIDIWENBAOCUN,YONGQIANCHONGFENYAOYUN,GESHIWENXIAPINGHENGWENDUHOUSHIYONG,PEIZHIHESHIYONGBIAOZHUNRONGYESHIDESHIWENYAOKONGZHIZAI20℃WEIYI。

懂球帝15、GAONONGDUJUDUHUOYOUDUWUZHIDECHUBEIYEYINGANYOUDUSHIJIDESHIYONGHEGUANLIBANFAZHIXING,TUOSHANBAOGUAN,BUDESUIYIFANGGE。

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