. .
. .
涓撲笟璧勬枡
. .
鐜颁唬浠櫒鍒嗘瀽涔犻瑙ｇ瓟
2009
骞存槬
绗?/p>
12
绔?/p>
鐢典綅鍒嗘瀽鍙婄瀛愰�夋嫨鎬х數鏋佸垎鏋愭硶
P216
1
锛?/p>
浠�涔堟槸鐢典綅鍒嗘瀽娉?/p>
锛?/p>
浠�涔堟槸绂诲瓙閫夋嫨鎬х數鏋佸垎鏋愭硶
锛?/p>
绛?/p>
锛?/p>
鍒╃敤鐢垫瀬鐢典綅鍜屾憾娑蹭腑鏌愮绂诲瓙鐨勬椿搴︽垨娴撳害涔嬮棿鐨勫叧绯绘潵娴嬪畾寰呮祴鐗╄川娲诲害鎴?/p>
娴撳害鐨勭數鍖栧鍒嗘瀽娉曠О涓虹數浣嶅垎鏋愭硶
銆?/p>
浠ョ瀛愰�夋嫨鎬х數鏋佸仛鎸囩ず鐢垫瀬鐨勭數浣嶅垎鏋?/p>
锛?/p>
绉颁负绂诲瓙閫夋嫨鎬х數鏋佸垎鏋愭硶
銆?/p>
2
锛?/p>
浣曡皳鐢典綅鍒嗘瀽涓殑鎸囩ず鐢垫瀬鍜屽弬姣旂數鏋?/p>
锛?/p>
閲戝睘鍩虹數鏋佸拰鑶滅數鏋佹湁浣曞尯鍒?/p>
锛?/p>
绛?/p>
锛?/p>
鐢靛寲瀛︿腑鎶婄數浣嶉殢婧舵恫涓緟娴嬬瀛愭椿搴︽垨娴撳害鍙樺寲鑰屽彉鍖?/p>
锛?/p>
骞惰兘鍙嶆槧鍑哄緟娴嬬瀛?/p>
娲诲害鎴栨祿搴︾殑鐢垫瀬绉颁负鎸囩ず鐢垫瀬
銆?/p>
鐢垫瀬鐢典綅鎭掑畾
锛?/p>
涓嶅彈婧舵恫缁勬垚鎴栫數娴佹祦鍔ㄦ柟鍚戝彉鍖?/p>
褰卞搷鐨勭數鏋佺О涓哄弬姣旂數鏋?/p>
銆?/p>
閲戝睘鍩虹數鏋佺殑鏁忔劅鑶滄槸鐢辩瀛愪氦鎹㈠瀷鐨勫垰鎬у熀璐ㄧ幓鐠冪啍铻嶇儳鍒惰�屾垚鐨?/p>
銆?/p>
鑶滅數鏋佺殑鏁忔劅
鑶滀竴鑸槸鐢卞湪姘翠腑婧惰В搴﹀緢灏?/p>
锛?/p>
涓旇兘瀵肩數鐨勯噾灞為毦婧剁洂缁忓姞鍘嬫垨鎷夊埗鑰屾垚鐨勫崟鏅?/p>
銆?/p>
澶?/p>
鏅舵垨娣锋櫠娲绘�ц啘
銆?/p>
4.
浣曡皳
TISAB
婧舵恫
锛?/p>
瀹冩湁鍝簺浣滅敤
锛?/p>
绛?/p>
锛?/p>
鍦ㄦ祴瀹氭憾娑蹭腑鍔犲叆澶ч噺鐨?/p>
銆?/p>
瀵规祴瀹氱瀛愪笉骞叉壈鐨勬儼鎬х數瑙ｈ川鍙婇�傞噺鐨?/p>
pH
缂撳啿鍓?/p>
鍜屼竴瀹氱殑鎺╄斀鍓?/p>
锛?/p>
鏋勬垚鎬荤瀛愬己搴﹁皟鑺傜紦鍐叉恫
锛?/p>
TISAB
锛夈�?/p>
鍏朵綔鐢ㄦ湁
锛?/p>
鎭掑畾绂诲瓙寮哄害
銆?/p>
鎺у埗婧舵恫
pH
銆?/p>
娑堥櫎骞叉壈绂诲瓙褰卞搷
銆?/p>
绋冲畾娑叉帴鐢典綅
銆?/p>
5. 25
鈩?/p>
鏃?/p>
锛?/p>
鐢?/p>
pH=4.00
鐨勬爣鍑嗙紦鍐叉憾娑叉祴寰楃數姹?/p>
锛氣�?/p>
鐜荤拑鐢垫瀬
锝?/p>
H+
锛?/p>
a=X mol?L-1
锛?/p>
鈺?/p>
楗卞拰鐢樻睘鐢垫瀬
鈥?/p>
鐨勭數鍔ㄥ娍涓?/p>
0.814V
锛?/p>
閭ｄ箞鍦?/p>
c(HAc)=1.00
脳
10-3 mol?L-1
鐨勯唻閰告憾娑?/p>
涓?/p>
锛?/p>
姝ょ數姹犵殑鐢靛姩鍔夸负澶氬皯
锛?/p>
(KHAc=1.8
脳
10-5,
璁?/p>
aH+=[H+])
瑙?/p>
锛氣埖
E1=
蠁
(+)--
蠁
(-)=
蠁锛?/p>
+
锛?/p>
-
锛?/p>
K-0.0592pH1
锛?/p>