瀹為獙鍚嶇О
鐢靛鐨勬祴瀹氬強鍏跺簲鐢?/p>
涓�銆佸疄楠岀洰鐨?/p>
1.
娴嬮噺
KCl
姘存憾娑茬殑鐢靛鐜囷紝姹傜畻瀹冪殑鏃犻檺绋�閲婃懇灏旂數瀵肩巼锛?/p>
2.
鐢ㄧ數瀵兼硶娴嬮噺閱嬮吀鍦ㄦ按婧舵恫涓殑瑙ｇ骞宠 甯告暟锛?/p>
3.
鎺屾彙鎭掓俯姘存Ы鍙婄數瀵肩巼浠殑浣跨敤鏂规硶銆?/p>
浜屻�佸疄楠屽師鐞?/p>
1
銆?/p>
鐢靛
G
锛?/p>
瀵逛簬鐢佃В璐ㄦ憾娑诧紝
甯哥敤鐢靛琛ㄧず鍏跺鐢佃兘鍔涚殑澶у皬銆?/p>
鐢?/p>
瀵?/p>
G
鏄數闃?/p>
R
鐨勫�掓暟锛屽嵆
G=1/R
銆傜數瀵肩殑鍗曚綅鏄タ闂ㄥ瓙锛屽父鐢?/p>
S
琛ㄧず銆?/p>
1S=1惟
锛?
1
2
銆佺數瀵肩巼鎴栨瘮鐢靛锛?/p>
魏=Gl/A
锛?/p>
2.5.1
锛?/p>
鍏舵剰涔夋槸鐢垫瀬闈㈢Н涓哄強
1m
2
銆佺數鏋侀棿璺濅负
lm
鐨勭珛鏂逛綋瀵间綋鐨勭數瀵硷紝
鍗曚綅涓?/p>
S路
m
锛?
1
銆?/p>
瀵圭數瑙ｈ川婧舵恫鑰岃█锛屼护
l/A = K
cell
锛?/p>
K
cell
绉颁负鐢靛姹犲父鏁般�?/p>
鎵�浠?/p>
魏=G l/A =G K
cell
3
銆佹懇灏旂數瀵肩巼锛?/p>
螞
m
=魏/ C
锛?/p>
2.5.2
锛?/p>
寮虹數瑙ｈ川绋�婧舵恫鐨勬懇灏旂數瀵肩巼
螞
m
涓庢祿搴︽湁濡備笅鍏崇郴锛?/p>
螞
m
=
螞
鈭?/p>
m
-
A
C
锛?/p>
2.5.3
锛?/p>
螞
鈭?/p>
m
涓烘棤闄愮█閲婃懇灏旂數瀵肩巼銆傚彲瑙侊紝浠?/p>
螞m
瀵?/p>
C
浣滃浘寰椾竴鐩寸嚎锛屽叾鎴窛鍗充负
螞
鈭?/p>
m
銆?/p>
寮辩數瑙ｈ川婧舵恫涓�傚湪鏃犻檺绋�閲婄殑婧舵恫涓彲璁や负寮辩數瑙ｈ川宸插叏閮ㄧ數绂汇�傛鏃舵憾娑茬殑鎽╁皵鐢靛
鐜囦负
螞
鈭?/p>
m
=V
+
螞
m ,+
+ V-
螞
m ,-
锛?/p>
2.5.4
锛?/p>
鏍规嵁鐢电瀛﹁
,
鍙互璁や负
,
寮辩數瑙ｈ川鐨勭數绂诲害
伪
绛変簬鍦ㄦ祿搴︽椂鐨勬懇灏旂數瀵?/p>
螞
涓庢憾娑插湪鏃犻檺
绋�閲婃椂鐨勭數瀵?/p>
螞
鈭?/p>
m
涔嬫瘮
,
鍗?/p>
锛?/p>
伪=螞
m
/
螞
鈭?/p>
m
锛?/p>
2.5.5
锛?/p>
4
銆?/p>
寮辩數瑙ｈ川鐢电骞宠 甯告暟锛?/p>
寮辩數瑙ｈ川
AB
鍨嬬殑鐢电骞宠 甯告暟锛?/p>
K
胃
=(C伪
2
)/C
胃
锛?/p>
1-
伪
锛?/p>
锛?/p>
2.5.6
锛?/p>
鎵�浠ワ紝閫氳繃瀹為獙娴嬪緱
伪
鍗冲彲寰?/p>
K
胃
鍊笺�?/p>
鎶婏紙
2.5.4
锛変唬鍏ワ紙
2.5.6
锛夊紡鍙緱
K
胃
=(C
螞
鈭?/p>
m
2
)/
螞
鈭?/p>
m
C
胃
锛?/p>
螞
鈭?/p>
m
-
螞
m
锛?/p>
锛?/p>
2.5.7
锛?/p>
鎴?/p>
C
螞
m
=(
螞
鈭?/p>
m
2
) K
胃
C
胃
1/
螞
m
-
螞
鈭?/p>
m
K
胃
C
胃
浠?/p>
C
螞
m
瀵?/p>
1/
螞
m
浣滃浘锛屽叾鐩寸嚎鐨勬枩鐜囦负
(
螞
鈭?/p>
m
2
) K
胃
C
胃
锛屽鐭ラ亾
螞
鈭?/p>
m
鍊硷紝灏卞彲绠楀嚭
K
胃
銆?/p>
涓夈�佸疄楠屼华鍣ㄣ�佽瘯鍓?/p>
浠櫒锛氭鐗瑰嫆
326
鐢靛鐜囦华
1
鍙帮紱鐢靛鐢垫瀬涓�鍙紝閲忔澂
(50mL)2
涓紱绉绘恫绠★紙
25mL
锛?/p>
3
鍙紱
娲楃摱涓�鍙紱娲楄�崇悆涓�鍙�?/p>
鑽搧锛?/p>
10.00
锛?/p>
mol/m
3
锛?/p>
KCl
婧舵恫锛?/p>
0.093mol/dm
3
)HAc
婧舵恫锛涚數瀵兼按銆?/p>
鍥涖�佸疄楠屾楠?/p>
1.
鎵撳紑鐢靛鐜囦华寮�鍏筹紝棰勭儹
5min
銆?/p>