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电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)系(Xi)统(Tong)根(Gen)据(Ju)不(Bu)同(Tong)的(De)分(Fen)类(Lei)条(Tiao)件(Jian),(?)电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)法(Fa)有(You)不(Bu)同(Tong)的(De)分(Fen)类(Lei)
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苏(Su)州(Zhou)理(Li)则(Ze)环(Huan)保(Bao)科(Ke)技(Ji)有(You)限(Xian)公(Gong)司(Si) —(?)—(?) 电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)系(Xi)统(Tong)根(Gen)据(Ju)不(Bu)同(Tong)的(De)分(Fen)类(Lei)条(Tiao)件(Jian),(?)电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)法(Fa)有(You)不(Bu)同(Tong)的(De)分(Fen)类(Lei),(?)下(Xia)面(Mian)是(Shi)几(Ji)种(Zhong)常(Chang)见(Jian)的(De)分(Fen)类(Lei):
1、(?)根(Gen)据(Ju)guo际(Ji)纯(Chun)粹(Cui)与(Yu)应(Ying)用(Yong)化(Hua)学(Xue)联(Lian)合(He)会(Hui)倡(Chang)仪(Yi),(?)电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)法(Fa)分(Fen)为(Wei)三(San)大(Da)类(Lei):
①(?)既(Ji)不(Bu)涉(She)及(Ji)双(Shuang)电(Dian)层(Ceng),(?)也(Ye)不(Bu)涉(She)及(Ji)电(Dian)极(Ji)反(Fan)应(Ying),(?)包(Bao)括(Kuo)电(Dian)导(Dao)分(Fen)析(Xi)法(Fa)、(?)高(Gao)频(Pin)滴(Di)定(Ding)法(Fa)等(Deng);
②(?)涉(She)及(Ji)双(Shuang)电(Dian)层(Ceng),(?)但(Dan)不(Bu)涉(She)及(Ji)电(Dian)极(Ji)反(Fan)应(Ying),(?)例(Li)如(Ru)通(Tong)过(Guo)测(Ce)量(Liang)表(Biao)面(Mian)张(Zhang)力(Li)或(Huo)非(Fei)法(Fa)拉(La)第(Di)阻(Zu)抗(Kang)而(?)测(Ce)定(Ding)浓(Nong)度(Du)的(De)分(Fen)析(Xi)方(Fang)法(Fa);
③(?)涉(She)及(Ji)电(Dian)极(Ji)反(Fan)应(Ying),(?)包(Bao)括(Kuo)电(Dian)位(Wei)分(Fen)析(Xi)法(Fa)、(?)电(Dian)解(Jie)分(Fen)析(Xi)法(Fa)、(?)库(Ku)仑(Lun)分(Fen)析(Xi)法(Fa)、(?)极(Ji)谱(Pu)法(Fa)和(He)伏(Fu)安(An)法(Fa)等(Deng)。(?)
2、(?)电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)法(Fa)概(Gai)括(Kuo)起(Qi)来(Lai)一(Yi)般(Ban)可(Ke)以(Yi)分(Fen)为(Wei)三(San)大(Da)类(Lei):
第(Di)1类(Lei)是(Shi)通(Tong)过(Guo)试(Shi)液(Ye)的(De)浓(Nong)度(Du)在(Zai)特(Te)定(Ding)实(Shi)验(Yan)条(Tiao)件(Jian)下(Xia)与(Yu)化(Hua)学(Xue)电(Dian)池(Chi)某(Mou)一(Yi)电(Dian)参(Can)数(Shu)之(Zhi)间(Jian)的(De)关(Guan)系(Xi)求(Qiu)得(De)分(Fen)析(Xi)结(Jie)果(Guo)的(De)方(Fang)法(Fa).这(Zhe)是(Shi)电(Dian)化(Hua)学(Xue)分(Fen)析(Xi)法(Fa)的(De)主(Zhu)要(Yao)类(Lei)型(Xing).电(Dian)导(Dao)分(Fen)析(Xi)法(Fa)(conductance analysis),库(Ku)仑(Lun)分(Fen)析(Xi)法(Fa)(coulometry),电(Dian)位(Wei)法(Fa)(potentiometry) ,伏(Fu)安(An)法(Fa)(voltammetry)和(He)极(Ji)谱(Pu)分(Fen)析(Xi)法(Fa)(polarographic analysis)等(Deng),均(Jun)属(Shu)于(Yu)这(Zhe)种(Zhong)类(Lei)型(Xing)。(?)
第(Di)2类(Lei)是(Shi)利(Li)用(Yong)电(Dian)参(Can)数(Shu)的(De)变(Bian)化(Hua)来(Lai)指(Zhi)示(Shi)容(Rong)量(Liang)分(Fen)析(Xi)终(Zhong)点(Dian)的(De)方(Fang)法(Fa).这(Zhe)类(Lei)方(Fang)法(Fa)仍(Reng)然(Ran)以(Yi)容(Rong)量(Liang)分(Fen)析(Xi)为(Wei)基(Ji)础(Chu),根(Gen)据(Ju)所(Suo)用(Yong)标(Biao)准(Zhun)溶(Rong)液(Ye)的(De)浓(Nong)度(Du)和(He)消(Xiao)耗(Hao)的(De)体(Ti)积(Ji)求(Qiu)出(Chu)分(Fen)析(Xi)结(Jie)果(Guo).这(Zhe)类(Lei)方(Fang)法(Fa)根(Gen)据(Ju)所(Suo)测(Ce)定(Ding)的(De)电(Dian)参(Can)数(Shu)不(Bu)同(Tong)而(?)分(Fen)为(Wei)电(Dian)导(Dao)滴(Di)定(Ding)(conductance titration),电(Dian)位(Wei)滴(Di)定(Ding)(potentiometric titration)和(He)电(Dian)流(Liu)滴(Di)定(Ding)法(Fa)(amperometric titration)。(?)
第(Di)3类(Lei)是(Shi)电(Dian)重(Zhong)量(Liang)法(Fa)(electrogravimetric analysis),或(Huo)称(Cheng)电(Dian)解(Jie)分(Fen)析(Xi)法(Fa)(electro-analysis).这(Zhe)类(Lei)方(Fang)法(Fa)将(Jiang)直(Zhi)流(Liu)电(Dian)流(Liu)通(Tong)过(Guo)试(Shi)液(Ye),使(Shi)被(Bei)测(Ce)组(Zu)分(Fen)在(Zai)电(Dian)极(Ji)上(Shang)还(Huan)原(Yuan)沉(Chen)积(Ji)析(Xi)出(Chu)与(Yu)共(Gong)存(Cun)组(Zu)分(Fen)分(Fen)离(Li),然(Ran)后(Hou)再(Zai)对(Dui)电(Dian)极(Ji)上(Shang)的(De)析(Xi)出(Chu)物(Wu)进(Jin)行(Xing)重(Zhong)量(Liang)分(Fen)析(Xi)以(Yi)求(Qiu)出(Chu)被(Bei)测(Ce)组(Zu)分(Fen)的(De)含(Han)量(Liang)。(?)
3、(?)直(Zhi)接(Jie)根(Gen)据(Ju)不(Bu)同(Tong)的(De)测(Ce)量(Liang)方(Fang)法(Fa)进(Jin)行(Xing)分(Fen)类(Lei):电(Dian)导(Dao)分(Fen)析(Xi)法(Fa)、(?)电(Dian)位(Wei)分(Fen)析(Xi)法(Fa)、(?)电(Dian)解(Jie)分(Fen)析(Xi)法(Fa)、(?)库(Ku)仑(Lun)分(Fen)析(Xi)法(Fa)、(?)极(Ji)谱(Pu)法(Fa)和(He)伏(Fu)安(An)法(Fa)。(?)