涓浗鐭夸笟澶у锛堝寳浜級鍩虹鍖栧瀹為獙
-
鏃犳満瀹為獙鎬濊�冮绛旀
- 1 -
瀹為獙涓�
绮楃洂鐨勬彁绾?/p>
1.
杩囬噺鐨?/p>
Ba
2+
濡備綍闄ゅ幓锛?/p>
绛旓細婊村姞
Na
2
CO
3
婧舵恫锛屽皢
Ba
2+
杞寲涓?/p>
BaCO
3
娌夋穩銆?/p>
2.
绮楃洂鎻愮函涓负浠�涔堣鍔犵洂閰革紵
绛旓細闄ゅ幓杩囬噺鐨勭⒊閰哥洂鍜屾阿姘у寲閽犳潅璐ㄧ‘淇濆埗寰楃殑
NaCl
鐨勭函搴︺�?/p>
3.
鐢ㄥ閲忕摱閰嶅埗婧舵恫鏃讹紝
瑕佷笉瑕佸厛鎶婂閲忕摱骞茬嚗鎴栬�呯敤鍘熸憾娑叉鼎娲楋紵
绛旓細
鈶犱笉闇�瑕侊紝
涓嶅共鐕ョ殑瀹归噺鐡跺苟涓嶅奖鍝嶉厤鍒舵憾娑茬殑娴撳害
锛堟憾璐ㄤ笉鍙橈級
鈶′笉鑳界敤鍘熸憾娑叉鼎娲楋紝浼氭敼鍙橀厤鍒舵憾娑茬殑娴撳害锛堟憾璐ㄥ鍔狅級
4.
婊村畾绠″拰绉绘恫绠′负浣曡鐢ㄦ墍鐩涙憾娑叉鼎娲?/p>
2~3
娆★紵閿ュ舰鐡舵槸鍚︿篃鏈?/p>
蹇呰鐢ㄦ墍鐩涙憾娑叉鼎娲楋紵
绛旓細鈶犻�氳繃娑︽礂瀵瑰叾杩涜娓呮礂锛岄伩鍏嶆潅璐紙鍖呮嫭婧跺墏锛?/p>
浼氱█閲婃憾娑茶�?/p>
閫犳垚璇樊锛?/p>
瀵规憾娑查�犳垚姹℃煋銆?/p>
鈶¤嫢鐢ㄥ緟娴嬫恫娑︽礂閿ュ舰鐡朵細瀵艰嚧寰呮祴
娑插澶氾紝褰卞搷瀹為獙娴嬪畾銆?/p>
5.
涓轰粈涔堣鍒嗕袱姝ヨ繃婊ゆ矇娣�锛?/p>
绛旓細鍥犱负
Ksp
銆?/p>
BaSO
4
銆?/p>
= 1.08
脳
10
-10
锛?/p>
Ksp
銆?/p>
BaCO
3
銆?/p>
= 8.1
脳
10
-9
锛?/p>
Ksp
銆?/p>
BaSO
4
銆戠暐灏忎簬
Ksp
銆?/p>
BaCO
3
銆?/p>
锛屽涓嶅厛闄ゅ幓
BaSO
4
娌夋穩锛岀敱浜庡姞鍏?/p>
Na
2
CO
3
锛屼娇
[CO
3
2-
]
澧炲ぇ锛屽垯
BaSO
4
娌夋穩杞负
BaCO
3
娌夋穩锛屼娇
SO
4
2-
鐣欏湪婧?/p>
娑蹭腑銆?/p>