鍦熷￥閫熸晥閽剧殑娴嬪畾
涓�銆佸疄楠岀洰鐨勫強璇存槑
鏍规嵁閽惧瓨鍦ㄧ殑褰㈡�佸拰浣滅墿鍚告敹鍒╃敤鐨勬儏鍐碉紝
鍙垎涓烘按婧舵�ч捑銆?/p>
浜ゆ崲鎬ч捑鍜岀矘鍦熺熆鐗╀腑鍥?/p>
瀹氱殑閽句笁绫伙紝鍓嶄袱绫诲彲琚綋瀛ｄ綔鐗╁惛鏀跺埄鐢紝缁熺О涓衡�滈�熸晥鎬ч捑鈥?/p>
锛屽悗涓�绫绘槸鍦熷￥閽剧殑涓昏
璐棌褰㈡�侊紝
涓嶈兘琚綔鐗╃洿鎺ュ惛鏀跺埄鐢紝
鎸夊叾绮樺湡鐭跨墿鐨勭绫诲拰瀵逛綔鐗╃殑鏈夋晥绋嬪害锛?/p>
鏈夌殑鏄毦
浜ゆ崲鎬х殑鈥滀腑鏁堟�ч捑鈥?/p>
锛屾湁鐨勬槸闈炰氦鎹㈡�х殑鈥滆繜鏁堟�ч捑鈥濆拰鈥滄棤鏁堟�ч捑鈥?/p>
銆傚悇绉嶅舰鎬佺殑閽惧郊姝?/p>
鑳界浉浜掕浆鍖栵紝缁忓父淇濇寔鐫�鍔ㄦ�佸钩琛★紝绉颁箣涓衡�滃湡澹ら捑鐨勫钩琛♀�?/p>
銆?/p>
鍦熷￥鍏ㄩ捑鐨勫惈閲忓彧鑳借鏄庡湡澹ら捑鎬昏串閲忕殑涓扮己锛?/p>
涓嶈兘璇存槑瀵瑰綋瀛ｄ綔鐗╃殑渚涢捑鎯呭喌涓�鑸湡
澹や腑鍏ㄩ捑骞朵笉灏戯紝浣嗛�熸晥鎬ч捑鍒欎粎
20~200mgkg
-1
K
锛屼笉鍒板叏閽鹃噺锛堝崕鍖楀钩鍘熻�曞眰鍦熷￥鍏ㄩ捑澶?
绾﹀湪
1.7~2.2%K
锛屾垨
2.0~2.6%K
2
O
锛夌殑
1~2%
銆備负浜嗗垽鏂湡澹ら捑渚涘簲鎯呭喌
[
娉?
1]
浠ュ強纭畾鏄惁闇�
鐢ㄩ捑鑲ュ強鍏舵柦鐢ㄩ噺锛屽湡澹ら�熸晥閽剧殑娴嬪畾鏄緢鏈夋剰涔夌殑銆?/p>
鍦熷￥閫熸晥閽剧殑
95%
宸﹀彸鏄氦鎹㈡�ч捑锛屾按婧舵�ч捑浠呭崰鏋佸皯閮ㄥ垎锛岀敱浜庡湡澹や氦鎹㈡�ч捑鐨勬蹈
鍑洪噺渚濅粠浜庢蹈鎻愬墏鐨勯槼绂诲瓙绉嶇被锛?/p>
鍥犳鐢ㄤ笉鍚屾蹈鎻愬墏娴嬪畾鍦熷￥閫熸晥閽剧殑缁撴灉涔熶笉涓�鑷磋�屼笖绋?/p>
瀹氭�т篃涓嶅悓銆傜洰鍓嶅浗鍐呭骞挎硾閲囩敤鐨勬蹈鎻愬墏鏄?/p>
1molL
-1
NH
4
Ac
婧舵恫銆傚洜姝?/p>
NH
4
+
鍜?/p>
K
+
鐨勫崐寰?/p>
鐩歌繎锛屼互
NH
4
+
鍙栦唬浜ゆ崲鎬?/p>
K
+
鏃舵墍寰楃粨鏋滄瘮杈冪ǔ瀹氾紝閲嶇幇鎬уソ锛岃兘灏嗗湡澹よ〃闈㈢殑浜ゆ崲鎬ч捑鍜?/p>
绮樺湡鐭跨墿鏅舵牸闂撮潪浜ゆ崲鎬ч捑鍒嗗紑锛?/p>
涓嶅洜娣嬫礂娆℃暟鎴栨蹈鎻愭椂闂寸殑澧炲姞鑰屾槑鏄惧鍔犲嚭鐨勯捑閲忋�?/p>
鍙?/p>
澶栧緟娴嬫恫鍙洿鎺ョ敤鐏劙鍏夎娴嬪畾鑰屾棤骞叉壈銆?/p>
鍦ㄦ棤鐏劙鍏夊害璁℃椂锛屽彲鐢?/p>
1molL
-1
NaNO
3
娴告彁鈥斿洓鑻〖閽犳瘮娴婃硶娴嬪畾鍦熷￥閫熸晥閽炬娉曟祴
鍊?/p>
1molL
-1
NH
4
Ac
娉曚綆锛屽垎绾ф寚鏍囬』鍙﹁銆?/p>
涓�銆?/p>
1molL
-1
NH
4
Ac
娴告彁鈥旂伀鐒板厜搴︽硶
1
锛庢柟娉曞師鐞?/p>
鐢ㄤ腑鎬х殑
1molL
-1
NH
4
Ac
婧舵恫娴告彁鍦熷￥鏃讹紝
NH
4
+
涓庡湡澹よ兌浣撹〃闈㈢殑
K
+
杩涜浜ゆ崲锛岃繛鍚?/p>
姘存憾鎬?/p>
K
+
涓�璧疯繘鍏ユ憾娑层�傛蹈鍑烘恫涓殑
K
鍙洿鎺ョ敤鐏劙鍏夊害娉曟祴瀹氥�傜伀鐒板厜搴︽硶鐨勫師鐞嗚瑙?/p>
鍦熷￥鍏ㄩ捑娴嬪畾涓�鑺傘�?/p>
2
锛庤瘯鍓傞厤鍒?/p>
锛?/p>
1
锛?/p>
1molL
-1
NHAc(pH7.0)
77.08gCH
3
COONH
4
锛堝寲瀛︾函锛?/p>
锛屾憾浜?/p>
900ml
姘达紝鐢ㄧ█
Hac
鎴?/p>
NH
4
OH
璋冭妭鑷?/p>
pH7.0
锛?/p>
鐒跺悗绋�閲婅嚦
1
鍗囥�?/p>
璋冭妭
pH
鍊肩殑鍏蜂綋鏂规硶濡備笅锛?/p>
鍙栧嚭
50ml 1molL
-1
NH
4
Ac
婧舵恫锛屼互
1
鈭?/p>
1NH
4
OH
鎴?/p>
1
鈭?/p>
4
HAc
璋冭嚦
pH7.0
锛堢敤
pH
璁℃祴璇曪級
銆傛牴鎹?/p>
50ml
NH
4
Ac
鎵�鐢?/p>
NH
4
OH
鎴?/p>
HAc
鐨?/p>
ml
鏁帮紝绠楀嚭鎵�閰嶆憾娑茬殑澶ф闇�瑕侀噺锛屽皢鍏ㄩ儴婧舵恫璋冭嚦
pH7.0
銆?/p>
锛?/p>
2
锛?/p>
K
鏍囧噯婧舵恫
[2]
0.1907gKCl
锛堝垎鏋愮函锛?/p>
110
鈩冪儤骞?/p>
2h
锛夋憾浜?/p>
1molL
-1
NH
4
Ac
婧舵恫
涓紝骞剁敤姝ゆ憾娑插畾瀹硅嚦
1
鍗囷紝鍏?/p>
C
K
= 100mgL
-1
銆?/p>
鐢ㄦ椂鍑嗙‘鍚稿彇
100mgkg
-1
鏍囧噯婧舵恫
0
锛?/p>
1
锛?/p>
2.5
锛?/p>
5
锛?/p>
10
锛?/p>
20ml
锛屽垎鍒斁鍏?/p>
50ml
瀹归噺鐡朵腑锛?/p>
鐢?/p>
1molL
-1
NH
4
Ac
婧舵恫瀹氬锛屽嵆寰?/p>
0
锛?/p>
2
锛?/p>
5
锛?/p>
10
锛?/p>
10
锛?/p>
40mgL
-1
K
鏍囧噯绯诲垪婧舵恫锛岃串浜庡鏂?/p>
鐡朵腑淇濆瓨銆?/p>
3
锛庢搷浣滄楠?/p>
绉板彇椋庡共鍦熸牱锛?/p>
1mm
锛?/p>
5.00g
浜?/p>
150ml
涓夎鐡朵腑锛屽姞鍏?/p>
50ml 1molL
-1
NH
4
Ac
婧舵恫锛岀敤濉?/p>
濉炵揣锛屽湪寰�杩斿紡鎸崱鏈轰笂鎸崱
30min
锛岀敤骞茬殑瀹氭�ф护绾歌繃婊わ紝浠ュ皬涓夎鐡舵垨灏忕儳鏉敹闆嗘护娑?/p>
鍚庯紝涓?/p>
K
鏍囧噯绯诲垪婧舵恫涓�璧峰湪鐏劙鍏夊害璁′笂娴嬪畾锛岃褰曟娴佽璇绘暟銆傜粯鍒舵牎鍑嗘洸绾挎垨璁＄畻
鐩寸嚎鍥炲綊鏂圭▼銆?/p>
4
锛庣粨鏋滆绠?/p>
鍦熷￥閫熸晥閽撅紝
mgKg
-1
= C
K
飩?/p>
V/m
寮忎腑锛?/p>
C
K
鈥斺�斾粠鏍″噯鏇茬嚎鎴栧洖褰掓柟绋嬫眰寰楃殑寰呮祴娑查捑娴撳害锛?/p>
mgL
-1
锛?/p>
V
鈥斺�旀蹈鎻愬墏浣撶Н锛?/p>
ml
锛?/p>