婧惰В姘ч浕鎳�(y墨ng)鐢ㄨ瓬寮忓師鐞�锛屼互閴戦噾锛圥t锛変綔闄�锛孉g/AgCl浣滈櫧(y谩ng)锛岄浕瑙ｆ恫鐐�0.1M姘寲閴�锛圞CL锛�锛岀敤缇庡湅(gu贸)锛圔J锛夐��(j矛n)鍙ｇ姗¤啝婊查�忚啘浣滈�忔埃鑶滐紝鍏跺叿鏈夌姗¤啝鍙婇嫾绱楃恫(w菐ng)锛岃�愮鎾�锛岃�愯厫铦曪紝鑰愰珮婧�锛屼笉璁婂舰鐨勬�ц兘銆�
娓�(c猫)閲忔檪(sh铆)锛屽湪闄�(y谩ng)鍜岄櫚闁撳姞涓�0.68V鐨勫寲闆诲锛屾哀閫氶亷(gu貌)婊查�忚啘鍦ㄩ櫚娑堣��锛屽悓鏅�(sh铆)绛夐噺鐨勬哀姘ｅ湪闄�(y谩ng)鐢�(ch菐n)鐢燂紝閫欏��(g猫)鍕�(d貌ng)鎱�(t脿i)閬�(gu貌)绋嬮��(j矛n)琛屽埌鍏╅倞鐨勬哀鍒嗗鐩稿悓鏅�(sh铆)閬�(d谩)鍒板钩琛�銆傛鏅�(sh铆)闆婚枔鐨勯浕娴佽垏姘у垎澹撴垚姝ｆ瘮锛岃〃瑷�(j矛)妾㈡脯(c猫)姝ら浕娴佸苟缍�(j墨ng)閬�(y霉n)绠楄畩鎻涙垚姘ф績搴�銆傚悓鏅�(sh铆)鐔辨晱闆婚樆妾㈡脯(c猫)婧舵恫鐨勬韩搴�锛屽苟灏�(du矛)姘ф績搴﹂��(j矛n)琛屾韩搴﹁(b菙)鍎�銆�
婧惰В姘ч浕閲囩敤瑷�(sh猫)瑷�(j矛)鐨勫绶婃彃鎷斿紡绲�(ji茅)妲�(g貌u)锛屽畨瑁�銆佺董璀�(h霉)鏂逛究銆傛祦閫氭睜閫�(j矛n)銆佸嚭姘寸鍙伕鐢ㄤ笉閵归嫾绠�锛屽寰戞湁Φ6銆�Φ8銆�Φ10銆�Φ12鍜�Φ14銆傜董璀�(h霉)锛氫竴鑸彌娴侀�氭睜鍜岄浕鑺瓙锛屽彧闇�鎻涢�忔埃鑶�銆�
宸ヤ綔鍘熺悊锛�
婧惰В姘ч浕浠ラ墤閲戯紙Pt锛変綔闄�锛孉g/AgCl浣滈櫧(y谩ng)锛岄浕瑙ｆ恫鐐�0.1M姘寲閴�锛圞Cl锛�锛岀敤纭呮鑶犳徊閫忚啘浣滈�忔埃鑶�銆傛脯(c猫)閲忔檪(sh铆)锛屽湪闄�(y谩ng)鍜岄櫚闁撳姞涓�0.68V鐨勫寲闆诲锛屾哀閫氶亷(gu貌)婊查�忚啘鍦ㄩ櫚娑堣�楋紝閫忛亷(gu貌)鑶滅殑姘ч噺鑸囨按涓憾瑙ｆ哀婵冨害鎴愭姣�锛屽洜鑰岄浕闁撶殑闄愭摯(ku貌)鏁ｉ浕娴佽垏姘撮浕婧惰В姘ф績搴︽垚姝ｆ瘮锛岃〃瑷�(j矛)妾㈡脯(c猫)姝ら浕骞剁稉(j墨ng)閬�(y霉n)绠楄畩鎻涙垚姘ф績搴�銆傚悓鏅�(sh铆)鐔辨晱闆婚樆妾㈡脯(c猫)婧舵恫鐨勬韩搴�锛屽苟灏�(du矛)姘ф績搴﹂��(j矛n)琛屾韩搴﹁(b菙)鍎�銆�
绌烘埃妯�(bi膩o)瀹氭檪(sh铆)鐨勯浕娴佷竴鑸偤锛�50~200锛塶A
闆讳笂鐨勯浕鍙嶆噳(y墨ng)鐐猴細
闄帮紙Pt锛� O2+2H2O+4e=4OH-
闄帮紙Ag锛� 4Ag+4Cl-=4AgCl+4e
闆诲師鐞�:
婧惰В姘у剙琛ㄩ噰鐢ㄨ瓬寮忔哀闆�銆傚垎鍦ㄧ窔寮忓強瀵�(sh铆)椹�(y脿n)瀹ゅ紡锛屽張鍒嗙磾姘村強鏅按寮忋��
姘ч浕鏄敱閲戦櫚鍜岄妧闄�(y谩ng)妲�(g貌u)鎴�锛屽叾涓櫚鏄墤閲戯紙Pt锛�锛岄櫧(y谩ng)鐐篈g/Agd銆傞浕娴告矑(m茅i)鍦ㄩ浕瑙ｆ恫涓�锛屽叾涓浕瑙ｆ恫鐐�0.1m姘寲閴�锛圞CL锛夛紝鐢卞彲浠ラ�忛亷(gu貌)鎵�娓�(c猫)姘ｉ珨鐨勮杽鑶滃垎闁�(k膩i)銆傚叾涓�忔埃鑶滅偤缇庡湅(gu贸)锛圔S锛夐��(j矛n)鍙ｇ姗¤啝婊查�忚啘锛岃閶肩爞缍�(w菐ng)淇濊(h霉)锛岃�愮鎾�锛岃�愯厫铦曪紝鑰愰珮婧紝涓嶈畩褰�銆備竴鍊�(g猫)杓斿姪鐠�(hu谩n)褰㈤妧闃茶(h霉)闆荤挵(hu谩n)绻炶憲閲戦櫚锛屽湴娑堥櫎浜嗕綆姘ф脯(c猫)閲忎腑闆昏В娑查噷姘х殑骞叉摼銆傜暥(d膩ng)姘ч�氶亷(gu貌)鑶滄摯(ku貌)鏁ｅ埌闆昏В璩�(zh矛)婧舵恫涓檪(sh铆)锛屽畠鍦ㄩ櫚铏曡閭勫師鎴愭矮姘ф牴闆㈠瓙锛岄櫧(y谩ng)铏曢妧姘у寲鎴愭隘鍖栭妧锛屾鏅�(sh铆)鍦ㄩ櫧(y谩ng)鍙婇櫚鍔犲叆0.68闆诲锛岀敘(ch菐n)鐢熺殑闆绘祦澶у皬鍦ㄦ韩搴︿笅鐩存帴鑸囦粙璩�(zh矛)姘у垎澹撴垚姝ｆ瘮銆�
绌烘埃妯�(bi膩o)瀹氭檪(sh铆)鐨勬哀闆绘祦锛屼竴鑸偤6000nA~13000nA锛屽叾闆讳笂鐨勫弽鎳�(y墨ng)寮忕偤锛�
闄帮紙Pt锛� O2+2H2O+4e=4OH+
闄�(y谩ng)锛圓g锛� 4Ag+4Cl=4AgCl+4e
浣跨敤鍓嶇殑婧�(zh菙n)鍌�:
姘ч浕鍦ㄥ嚭寤犲墠閮界稉(j墨ng)閬�(gu貌)鍤�(y谩n)鏍兼脯(c猫)瑭�锛岄亱(y霉n)杓搁亷(gu貌)绋嬩腑鍙兘鏈�(hu矛)灏�(du矛)姘ч浕鐢�(ch菐n)鐢熶笉鑹殑褰遍熆锛屾姇鍏ヤ娇鐢ㄥ墠锛岃珛(q菒ng)浠旂窗(x矛)妾㈡煡闆诲墠绔�銆�
鑶滈爤鏄穵璨煎湪閲戦櫚鍜岄妧鐠�(hu谩n)鍨嬮浕琛ㄩ潰銆�
鑶滆〃闈㈡噳(y墨ng)瑭叉槸寰堝钩鏁�锛岀劇(w煤)鐨鸿ざ鍜岀牬鎼嶃��
閲戦櫚鍜岄妧鐠�(hu谩n)褰㈤浕鍛堢従(xi脿n)娓呮櫚銆佸共鍑堝拰鍏変寒銆�
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