59
绗竷绔?/p>
姘у寲杩樺師婊村畾
1.
鏉′欢鐢典綅鍜屾爣鍑嗙數浣嶆湁浠�涔堜笉鍚岋紵褰卞搷鐢典綅鐨勫鐣屽洜绱犳湁鍝簺锛?/p>
绛旓細鏍囧噯鐢垫瀬鐢典綅
E
鈥叉槸鎸囧湪涓�瀹氭俯搴︽潯浠朵笅锛堥�氬父涓?/p>
25
鈩冿級鍗婂弽搴斾腑鍚勭墿璐ㄩ兘澶勪簬鏍囧噯鐘?/p>
鎬侊紝鍗崇瀛愩�佸垎瀛愮殑娴撳害锛堜弗鏍艰搴旇鏄椿搴︼級閮芥槸
1mol/l
锛堟垨鍏舵瘮鍊间负
1
锛?/p>
锛堝鍙嶅簲涓湁姘斾綋鐗?/p>
璐紝鍒欏叾鍒嗗帇绛変簬
1.013
脳
10
5
Pa
锛屽浐浣撶墿璐ㄧ殑娲诲害涓?/p>
1
锛夋椂鐩稿浜庢爣鍑嗘阿鐢垫瀬鐨勭數鏋佺數浣嶃�?/p>
鐢靛鐨勬潯浠剁數鏋佺數浣嶏紙
E
0f
锛夋槸褰撳崐鍙嶅簲涓哀鍖栧瀷鍜岃繕鍘熷瀷鐨勬祿搴﹂兘涓?/p>
1
鎴栨祿搴︽瘮涓猴紝骞朵笖婧?/p>
娑蹭腑鍏跺畠缁勫垎鐨勬祿搴﹂兘宸茬‘鐭ユ椂锛岃鐢靛鐩稿浜庢爣鍑嗘阿鐢垫瀬鐢典綅锛堜笖鏍℃浜嗗悇绉嶅鐣屽洜绱犲奖鍝嶅悗
鐨勫疄闄呯數鏋佺數浣嶏紝瀹冨湪鏉′欢涓嶅彉鏃朵负涓�甯告暟锛?/p>
銆傜敱涓婂彲鐭ワ紝鏄剧劧鏉′欢鐢典綅鏄�冭檻浜嗗鐣岀殑鍚勭褰?/p>
鍝嶏紝杩涜浜嗘牎姝ｃ�傝�屾爣鍑嗙數鏋佺數浣嶅垯娌℃湁鏍℃澶栫晫鐨勫悇绉嶅鐣岀殑鍚勭鍥犵礌銆?/p>
褰卞搷鏉′欢鐢典綅鐨勫鐣屽洜绱犳湁浠ヤ笅
3
涓柟闈紱
锛?/p>
1
锛?/p>
閰嶄綅鏁堝簲锛?/p>
锛?/p>
2
锛?/p>
娌夋穩鏁堝簲锛?/p>
锛?/p>
3
锛?/p>
閰告祿搴︺�?/p>
2
锛庢槸鍚﹀钩琛″父鏁板ぇ鐨勬哀鍖栬繕鍘熷弽搴斿氨鑳藉簲鐢ㄤ簬姘у寲杩樺師涓紵涓轰粈涔堬紵
绛旓細涓�鑸锛屼袱鐢靛鐨勬爣鍑嗙數浣嶅ぇ浜?/p>
0.4V
锛?/p>
K>10
6
锛?/p>
锛岃繖鏍风殑姘у寲杩樺師鍙嶅簲锛屽彲浠ョ敤浜庢淮瀹氬垎
鏋愩�?/p>
瀹為檯涓婏紝褰撳鐣屾潯浠讹紙渚嬪浠嬭川娴撳害鍙樺寲銆侀吀搴︾瓑锛夋敼鍙樻椂锛岀數瀵圭殑鏍囧噯鐢典綅鏄鏀瑰彉鐨勶紝
鍥犳锛屽彧瑕佽兘鍒涢�犱竴涓�傚綋鐨勫鐣屾潯浠讹紝浣夸袱鐢靛鐨勭數鏋佺數浣嶈秴杩?/p>
0.4V
锛岄偅涔堣繖鏍风殑姘у寲杩樺師
鍙嶅簲涔熻兘搴旂敤浜庢淮瀹氬垎鏋愩�備絾鏄苟涓嶆槸骞宠 甯告暟澶х殑姘у寲杩樺師鍙嶅簲閮借兘搴旂敤浜庢哀鍖栬繕鍘熸淮瀹氫腑銆?/p>
鍥犱负鏈夌殑鍙嶅簲
K
铏界劧寰堝ぇ锛屼絾鍙嶅簲閫熷害澶參锛屼害涓嶇鍚堟淮瀹氬垎鏋愮殑瑕佹眰銆?/p>
3.
褰卞搷姘у寲杩樺師鍙嶅簲閫熺巼鐨勪富瑕佸洜绱犳湁鍝簺锛?/p>
绛旓細褰卞搷姘у寲杩樺師鍙嶅簲閫熷害鐨勪富瑕佸洜绱犳湁浠ヤ笅鍑犱釜鏂归潰锛?/p>
1
锛夊弽搴旂墿鐨勬祿搴︼紱
2
锛夋俯搴︼紱
3
锛夊偓
鍖栧弽搴斿拰璇卞鍙嶅簲銆?/p>
4.
甯哥敤姘у寲杩樺師婊村畾娉曟湁鍝嚑绫伙紵杩欎簺鏂规硶鐨勫熀鏈弽搴旀槸浠�涔堬紵
绛旓細
1
锛夐珮閿伴吀閽炬硶锛?/p>
2MnO
4
+5H
2
O
2
+6H
+
==2Mn
2+
+5O
2
鈫?/p>
+8H
2
O.
MnO
2
+H
2
C
2
O
4
+2H
+
==Mn
2+
+2CO
2
+2H
2
O
2)
閲嶉摤閰哥敳娉?/p>
.
Cr
2
O
7
2-
+14H
+
+Fe
2+
===2Cr
3+
+Fe
3+
+7H
2
O
CH
3
OH+Cr
2
O
7
2-
+8H
+
===CO
2
鈫?/p>
+2Cr
3+
+6H
2
O
3)
纰橀噺娉?/p>
3I
2
+6HO
-
===IO
3
-
+3H
2
O
锛?/p>
2S
2
O
3
2-
+I
2
===2I
-
+2H
2
O
Cr
2
O
7
2-
+6I
-
+14H
+
===3I
2
+3Cr
3+
+7H
2
O
5.
搴旂敤浜庢哀鍖栬繕鍘熸淮瀹氭硶鐨勫弽搴斿叿澶囦粈涔堟潯浠讹紵
绛旓細搴旂敤浜庢哀鍖栬繕鍘熸淮瀹氭硶鐨勫弽搴旓紝蹇呴』鍏峰浠ヤ笅鍑犱釜涓昏鏉′欢锛?/p>
锛?/p>
1
锛夊弽搴斿钩琛″父鏁板繀椤诲ぇ浜?/p>
10
6
锛屽嵆鈻?/p>
E>0.4V
銆?/p>
锛?/p>
2
锛夊弽搴旇繀閫燂紝涓旀病鏈夊壇鍙嶅簲鍙戠敓锛屽弽搴旇瀹屽叏锛屼笖鏈変竴瀹氱殑璁￠噺鍏崇郴銆?/p>
锛?/p>
3
锛夊弬鍔犲弽搴旂殑鐗╄川蹇呴』鍏锋湁姘у寲鎬у拰杩樺師鎬ф垨鑳戒笌杩樺師鍓傛垨姘у寲鍓傜敓鎴愭矇娣�鐨勭墿璐ㄣ�?/p>
锛?/p>
4
锛夊簲鏈夐�傚綋鐨勬寚绀哄墏纭畾缁堢偣銆?/p>
6.
鍖栧璁￠噺鐐瑰湪婊村畾鏇茬嚎涓婄殑浣嶇疆涓庢哀鍖栧墏鍜岃繕鍘熷墏鐨勭數瀛愯浆绉绘暟鏈変粈涔堝叧绯伙紵
绛旓細
姘у寲杩樺師婊村畾鏇茬嚎涓獊璺冭寖鍥寸殑闀跨煭鍜屾哀鍖栧墏涓庤繕鍘熷墏涓ょ數瀵圭殑鏉′欢鐢典綅
锛堟垨鏍囧噯鐢典綅锛?/p>
鐩稿樊鐨勫ぇ灏忔湁鍏炽�傜數浣嶅樊鈻?/p>
E
杈冨ぇ锛岀獊璺冭緝闀匡紝涓�鑸锛屼袱涓數瀵圭殑鏉′欢鐢典綅鎴栨爣鍑嗙數浣嶄箣宸ぇ
浜?/p>
0.20V
鏃讹紝绐佽穬鑼冨洿鎵嶆槑鏄撅紝鎵嶆湁鍙兘杩涜婊村畾锛屸柍
E
鍊煎ぇ浜?/p>
0.40V
鏃讹紝鍙�夌敤姘у寲杩樺師鎸囩ず
鍓傦紙褰撶劧涔熷彲浠ョ敤鐢典綅娉曪級鎸囩ず婊村畾缁堢偣銆?/p>
褰撴哀鍖栧墏鍜岃繕鍘熷墏涓や釜鍗婄數姹犲弽搴斾腑锛岃浆绉荤殑鐢靛瓙鏁扮浉绛夛紝鍗?/p>
n
1
=n
2
鏃讹紝鍒欏寲瀛﹁閲忕偣鐨勪綅