瀹為獙鎺㈢┒涓�鏈夊叧姘㈡哀鍖栭挔鍜屾阿姘у寲閽欏彉璐ㄧ殑鎺㈢┒
1
锛?/p>
(2012
骞存箾姹?/p>
)
瀹為獙瀹ゆ湁涓�鐡朵繚绠′笉褰撶殑璇曞墏
(
濡傚彸鍥?/p>
)
锛屽叾娈嬬己鐨勬爣绛句腑鍙墿涓?/p>
鈥淣a鈥?/p>
鍜?/p>
鈥?0%鈥?/p>
鐨勫瓧鏍枫�傚凡鐭ュ畠鏄棤鑹叉恫浣擄紝鏄垵涓寲瀛﹀父鐢ㄧ殑璇曞墏銆傚皬娆ｅ拰灏忚姵鍚屽寰堟劅鍏磋叮锛?/p>
鍐冲畾瀵瑰叾鎴愬垎杩涜鎺㈢┒銆?/p>
銆愭彁鍑虹寽鎯炽�?/p>
(1)
杩欑摱璇曞墏鍙兘鏄粈涔堟憾娑插憿锛?/p>
鈶犲彲鑳芥槸
NaOH
婧舵恫锛涒憽鍙兘鏄?/p>
Na
2
CO
3
婧舵恫锛涒憿鍙兘鏄?/p>
NaCl
婧舵恫銆?/p>
(2)
鏍规嵁鍙楁崯鏍囩鐨勬儏鍐靛垽鏂紝杩欑摱璇曞墏涓嶅彲鑳?/p>
锛庯紟锛?
鏄?/p>
________(
濉瓧姣嶄唬鍙?/p>
)
銆?/p>
A
锛庨吀
B
锛庣⒈
C
锛庣洂
銆愭敹闆嗚祫鏂欍�?/p>
鈪?/p>
.
鍒濅腑鍖栧甯歌鐨勫惈閽犲寲鍚堢墿鏈?/p>
NaCl
銆?/p>
NaOH
銆?/p>
Na
2
CO
3
銆?/p>
NaHCO
3
銆?/p>
鈪?/p>
.
娴嬪畾瀹ゆ俯
(20
鈩?/p>
)
鏃讹紝鍥涚鐗╄川鐨勬憾瑙ｅ害鐨勬暟鎹涓嬶細
鐗╄川
NaCl
NaOH
Na
2
CO
3
NaHCO
3
婧惰В搴?/p>
/g
36
109
215
9.6
銆愬緱鍑虹粨璁恒�?/p>
(3)
灏忔鏍规嵁璇曞墏鐡舵爣娉ㄧ殑婧惰川璐ㄩ噺鍒嗘暟
10%
鍜屼笂琛ㄤ腑鐨勬憾瑙ｅ害鐨勬暟鎹垽鏂紝杩欑摱璇曞墏
涓嶅彲鑳?/p>
锛庯紟锛?
鏄?/p>
________(
濉墿璐ㄥ悕绉?/p>
)
銆?/p>
銆愯璁″疄楠屻�?/p>
(4)
鈶犲皬鑺崇敤鑳跺ご婊寸鍚稿彇璇ユ憾娑叉淮鍦?/p>
pH
璇曠焊涓婏紝娴嬪緱
pH
锛?/p>
7
锛岃繖鐡惰瘯鍓備笉鍙兘
锛庯紟锛?/p>
鏄?/p>
______
銆?/p>
鈶″皬娆ｄ负浜嗘楠岃婧舵恫鏄?/p>
NaOH
婧舵恫杩樻槸
Na
2
CO
3
婧舵恫锛屽ス鍙堣繘琛屼簡濡備笅瀹為獙锛?/p>
鎿嶄綔姝ラ
瀹為獙鐜拌薄
缁撹鍙婂寲瀛︽柟绋嬪紡
鍙栨牱浜庤瘯绠′腑锛屾淮鍔犳阿姘у寲閽欐憾
娑?/p>
__________________
鐚滄兂鈶℃纭紝
鐩稿叧鐨勫寲瀛︽柟绋嬪紡锛?
____________________________
____________________________
__________
(5)
璇蜂綘閫夋嫨涓庡皬娆ｄ笉鍚岀被鍒殑璇曞墏锛屾潵閴村埆
NaOH
婧舵恫鍜?/p>
Na
2
CO
3
婧舵恫锛屼綘閫夋嫨
__________
婧舵恫銆?/p>