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ph计电极保护液是什么?
上传时间:2020/6/1  点击:

ph计电极保护液是什么?

BAOHUPHJIDIANJIDEYIZHONGYETI,ZHUYAOYOULV HUAJIA、FANGFUJIDENGZUCHENG。

SHIYANSHISHIYONGDEDIANJIDOUSHIFUHEDIANJI,QIYOUDIANSHISHIYONGFANGBIAN,BUSHOUYANGHUAXINGHUOHAIYUANXINGWUZHIDEYINGXIANG,QIEPINGHENGSUDUJIAOKUAI。SHIYONGSHI,JIANGDIANJIJIAYEKOUSHANGSUOTAODEXIANGJIAOTAOHEXIADUANDEXIANGPITAOQUANQUXIA,YIBAOCHIDIANJINEILVHUAJIARONGYEDEYEYACHA。

DIANJIDESHIYONGYUWEIHUJIANDANJIESHAO:

1、FUHEDIANJIBUYONGSHI,KECHONGFENJINPAO3MLVHUAJIARONGYEZHONG。QIEJIYONGXIDIYEHUOQITAXISHUIXINGSHIJIJINXI。

2、SHIYONGQIAN,JIANCHABOLIDIANJIQIANDUANDEQIUPAO。ZHENGCHANGQINGKUANGXIA,DIANJIYINGGAITOUMINGERWULIEWEN;QIUPAONEIYAOCHONGMANRONGYE,BUNENGYOUQIPAOCUNZAI。

3、CELIANGNONGDUJIAODADERONGYESHI,JINLIANGSUODUANCELIANGSHIJIAN,YONGHOUZIXIQINGXI,FANGZHIBEICEYEZHANFUZAIDIANJISHANGERWURANDIANJI。

4、清洗电极后,不要用滤纸擦拭玻璃膜,而应用滤纸吸干, 避免损坏玻璃薄膜、防止交叉污染,影响测量精度。
5、测量中注意电极的银—氯化银内参比电极应浸入到球泡内氯化物缓冲溶液中,避免电计显示部分出现数字乱跳现象。使用时,注意将电极轻轻甩几下。

6、DIANJIBUNENGYONGYUQIANGSUAN、QIANGJIANHUOQITAFUSHIXINGRONGYE。

7、YANJINZAITUOSHUIXINGJIEZHIRUWUSHUIYICHUN、ZHONGGESUANJIADENGZHONGSHIYONG。


ph计电极保护液怎么配酸度计电极保护液配置

PHDIANJIBAOHUYELVHUAJIADEHUAXUEMINGCHENG—KCL,TADEFENZILIANG=74.551BAISEJIEJINGHUOJIEJINGXINGFENMO。YOUKUXIANWEI。YOUXISHIXING,MIFENGGANZAOBAOCUN。YISHENG=1000HAOSHENG(1000ML)3mol/LLVHUAJIARONGYE—JIUSHISHUOMEIYISHENGGAIRONGYEHANYOU3 MOER DELVHUAJIA,mol(MOER)WEIHUAXUEJILIANGDANWEI,MEImolWUZHIDEZHILIANGSHUZHISHANGDENGYUGAIWUZHIDEXIANGDUIFENZIZHILIANG,3mol/L KClDAYUEWEI223.5g KClMEISHENG。

KUAISUDEPEIZHIPHJI|SUANDUJIBAOHUYE——3mol/LDEKClRONGYE

BUZHOUSHUOMING:

1、JISUAN:KClMOERZHILIANG74.5g/mol, ZEKClZHILIANG=3mol&TImes;74.5g/mol=223.5g;

2、CHENGLIANG:YONGFENXITIANPINGCHENGLIANGKCl 223.5g,ZHUYIFENXITIANPINGDESHIYONG;

3、RONGJIE:ZAISHAOBEIZHONGYONG100mlZHENGLIUSHUISHIZHIWANQUANRONGJIE,BINGYONGBOLIBANGJIAOBAN;

4、ZHUANYI,XIDI:BARONGJIEHAODERONGYEYIRU1000mlRONGLIANGPING,YONGRONGLIANGPINGPINGKOUJIAOXIDE;

ZHUYI:WEILEBIMIANRONGYESACHU,TONGSHIBUYAORANGRONGYEZAIKEDUXIANSHANGMIANYANPINGBILIUXIA,YONGBOLIBANGYINLIU。WEIBAOZHENGRONGZHIJINKENENGQUANBUZHUANYIDAORONGLIANGPINGZHONG,YINGGAIYONGZHENGLIUSHUIXIDISHAOBEIHEBOLIBANGER、SANCI,BINGJIANGMEICIXIDIHOUDERONGYEDOUZHURUDAORONGLIANGPINGZHONG。QINGQINGZHENDANGRONGLIANGPING,SHIRONGYECHONGFENHUNHE;(YONGBOLIBANGYINLIU)

5、DINGRONG:JIASHUIDAOJIEJINKEDU2-3LIMISHI,GAIYONGJIAOTOUDIGUANJIAZHENGLIUSHUIDAOKEDU,ZHEIGECAOZUOJIAODINGRONG。DINGRONGSHIYAOZHUYIRONGYEAOYEMIANDEZUIDICHUHEKEDUXIANXIANGQIE,YANJINGSHIXIANYUKEDUXIANCHENGSHUIPING,BUNENGFUSHIHUOYANGSHI,FOUZEDOUHUIZAOCHENGWUCHA;

6、YAOYUN:DINGRONGHOUDERONGYENONGDUBUJUNYUN,YAOBARONGLIANGPINGPINGSAISAIJIN,YONGSHIZHIDINGZHUPINGSAI,YONGLINGYIZHISHOUDESHOUZHITUOZHUPINGDI,BARONGLIANGPINGDAOZHUANHEYAODONGDUOCI,SHIRONGYEHUNHEJUNYUN。ZHEIGECAOZUOJIAOZUOYAOYUN;

7、BADINGRONGHOUDEKClRONGYEYAOYUN。BAPEIZHIHAODERONGYEDAORUSHIJIPINGZHONG,GAISHANGPINGSAI,TIESHANGBIAOQIAN。ZHEIYANGPEICHULAIDEJIUSHI3mol/LDEKClRONGYELE。

YONGLAIJINPAODIANJIDELVHUAJIAJIUYONGBAOHERONGYEJIUXINGLE,ZUIJIANDANDEYIGEFANGFAJIUSHI,ZAISHAOBEILIJIAYIXIEZHENGLIUSHUI,(BIRU100g/HUOSHI100ml),ZAIBIANJIALVHUAJIABIANJIAOBAN,ZHIDAOBUNENGZAIRONGJIELVHUAJIAWEIZHI,JIUSUANBAOHELE。YONGLAIPAODIANJIDELVHUAJIANONGDUSHI3mol/L.,GENJUHUANSUANJIUSHI1000HAOKERONGYEZHONGYOU223.5KELVHUAJIA。