1 / 54
鐢典綅鍒嗘瀽娉曢儴鍒嗕範棰樿В绛?/p>
鍩烘湰瑕佹眰锛?/p>
浜嗚В閲戝睘鍩虹數鏋佺殑鍝嶅簲鐗瑰緛锛?/p>
浜嗚В鎸囩ず鐢垫瀬鍜屽弬姣旂數鏋佺殑浣滅敤鍘熺悊锛?/p>
鎺屾彙
ISE
鐨勭粍鎴愩�佸搷搴旀満鐞嗐�佽啘鐢典綅鍙?/p>
ISE
鐨勬�ц兘鎸囨爣锛?/p>
鎺屾彙
pH
鐨勫疄鐢ㄥ畾涔夊強娴嬪畾绂诲瓙娲伙紙娴擄級搴︾殑鏂规硶锛?/p>
浜嗚В鐢典綅婊村畾鐨勫師鐞嗗拰缁堢偣鐨勭‘瀹氭柟娉曘�?/p>
閲嶇偣
锛氶噾灞炲熀鐢垫瀬鐨勫搷搴旂壒寰侊紝
pH
鐨勫疄鐢ㄥ畾涔夛紝娴嬪畾绂诲瓙娲伙紙娴擄級搴︾殑鏂规硶銆?/p>
闅剧偣
锛?/p>
ISE
鐨勭粍鎴愩�佸搷搴旂壒寰侊紝鑶滅數浣嶅強
ISE
鐨勬�ц兘鎸囨爣銆?/p>
鍙傝�冨鏃讹細
3
瀛︽椂
10
銆佽嫢绂诲瓙閫夋嫨鎬х數鏋佺殑鐢典綅琛ㄨ揪寮忎负锛?/p>
)
lg(
303
.
2
j
A
A
K
F
RT
E
飪?/p>
飥?/p>
飥?
飥?/p>
飦?/p>
甯告暟
璇曢棶锛?/p>
锛?/p>
1
锛?/p>
j
A
K
飪?/p>
锛烇紴
1
鏃讹紝璇ョ瀛愰�夋嫨鎬х數鏋佷富瑕佸浠�涔堢瀛愭湁鍝嶅簲锛熷浠�涔堢瀛愭湁骞叉壈锛?/p>
锛?/p>
2
锛?/p>
j
A
K
飪?/p>
锛滐紲
1
鏃讹紝涓昏瀵逛粈涔堢瀛愭湁鍝嶅簲锛熷浠�涔堢瀛愭湁骞叉壈锛?/p>
瑙ｏ細
锛?/p>
1
锛夊綋
j
A
K
飪?/p>
锛烇紴
1
鏃讹紝鐢垫瀬涓昏瀵?/p>
j
绂诲瓙鏈夊搷搴旓紝
A
绂诲瓙鏈夊共鎵帮紱
锛?/p>
2
锛夊綋
j
A
K
飪?/p>
锛滐紲
1
鏃讹紝鐢垫瀬涓昏瀵?/p>
A
绂诲瓙鏈夊搷搴旓紝
j
绂诲瓙鏈夊共鎵般�?/p>
21
銆?/p>
鐢ㄧ瀛愰�夋嫨鎬х數鏋佹硶鍒嗗埆娴嬪畾
H
+
锛?/p>
Ca
2+
鏃讹紝
浜岃�呯殑娲诲害鍧囧彉鍖栦竴涓暟閲忕骇鏃讹紝
鐢垫瀬鐢典綅灏嗗彂鐢?/p>
澶氬ぇ鍙樺寲锛?/p>
瑙ｏ細
闃崇瀛?/p>
鑶?/p>
a
n
K
E
log
059
.
0
飥?
飥?/p>
锛?/p>
25
鈩冿級
瀵逛簬
H
+
锛?/p>
n
=1
飥?/p>
H
a
娲诲害鍙樺寲涓�涓暟閲忕骇锛岀數鏋佺數浣嶅皢鍙樺寲
59mV
锛?/p>
瀵逛簬
Ca
2+
锛?/p>
n
=2
飥?/p>
2
Ca
a
娲诲害鍙樺寲涓�涓暟閲忕骇锛岀數鏋佺數浣嶅皢鍙樺寲
30mV
銆?/p>
22
銆佸綋涓嬪垪鐢垫睜涓殑婧舵恫鏄?/p>
pH=4.00
鐨勭紦鍐叉憾娑叉椂锛屽湪
25
鈩冩祴寰楃數姹犵殑鐢靛姩鍔夸负
0.209V
锛?/p>