1
2014
骞村箍宸炰竴妯?/p>
鍘熺悊棰?/p>
绗?/p>
31
棰?/p>
璇撮绋?/p>
鍖栧璇剧粍
涓�銆侀鐩潵婧愬拰鑳屾櫙
1
銆侀鐩潵婧愶細
2014
骞村箍宸炰竴妯＄悊绉戠患鍚堝寲瀛﹁瘯棰樼
31
棰?/p>
31
锛?/p>
锛?/p>
16
鍒嗭級纭?/p>
閰搁搱閾?/p>
[(NH
4
)
2
Ce(NO
3
)
6
]
骞挎硾搴旂敤浜庣數瀛愩�佸偓鍖栧伐涓氾紝鍏跺悎鎴愯矾绾垮涓嬶細
锛?/p>
1
锛?/p>
宸?/p>
鐭?/p>
(NH
4
)
2
Ce(NO
3
)
6
鍙?/p>
鐑?/p>
鏄?/p>
鍒?/p>
瑙?/p>
锛?/p>
鏌?/p>
绉?/p>
鐮?/p>
灏?/p>
缁?/p>
璁?/p>
涓?/p>
鍙?/p>
搴?/p>
鍘?/p>
鐞?/p>
濡?/p>
涓?/p>
锛?/p>
璇?/p>
琛?/p>
鍏?/p>
瀹?/p>
鏁?/p>
锛?
(NH
4
)
2
Ce(NO
3
)
6
鈻?/p>
CeO
2
路8OH + 8_____鈫?/p>
锛?/p>
CeO
2
路
8OH
鈻?/p>
CeO
2
+ 4H
2
O鈫?2O
2
鈫?/p>
銆?/p>
鍦ㄧ┖姘斾腑鍔犵儹
(
NH
4
)
2
Ce(NO
3
)
6
锛岄櫎鍥轰綋棰滆壊鏈夊彉鍖栧锛岃繕鍙瀵熷埌鐨勭幇璞℃槸
_________
銆?/p>
锛?/p>
2
锛夋楠も厾涓紝灏?/p>
Ce(NO
3
)
3
路
6H
2
O
閰嶆垚婧舵恫锛屼繚鎸?/p>
pH
鍒?/p>
4~5
锛岀紦鎱㈠姞鍏?/p>
H
2
O
2
婧舵恫鎼呮媽娣峰悎鍧囧寑锛屽啀
鍔犲叆姘ㄦ按璋冭妭婧舵恫
pH
锛屽緱鍒?/p>
Ce(OH)
4
娌夋穩銆傝杩囩▼涓弬鍔犲弽搴旂殑姘у寲鍓備笌杩樺師鍓傜墿璐ㄧ殑閲忎箣姣?/p>
涓?/p>
___________
銆?/p>
锛?/p>
3
锛?/p>
298K
鏃讹紝
K
sp
[Ce(OH)
4
]
锛?/p>
1脳
10
鈥?/p>
29
銆?/p>
Ce(OH)
4
鐨勬憾搴︾Н琛ㄨ揪寮?/p>
涓?/p>
K
sp
锛?/p>
___________
銆?/p>
涓轰簡浣挎憾娑蹭腑
Ce
4
锛?
娌夋穩瀹屽叏锛?/p>
鍗虫畫鐣欏湪婧舵恫涓殑
c
(Ce
4+
)
灏忎簬
1脳
10
鈥?/p>
5
mol路
L
锛?
1
锛?/p>
闇�璋冭妭
pH
涓?/p>
______
浠ヤ笂銆?/p>
锛?/p>
4
锛?/p>
涓轰簡鐮旂┒姝ラ鈪㈢殑宸ヨ壓鏉′欢锛?/p>
绉戠爺灏忕粍娴嬪畾浜?/p>
(NH
4
)
2
Ce(NO
3
)
6
鍦ㄤ笉鍚屾俯搴︺�?/p>
涓嶅悓娴撳害纭濋吀涓殑
婧惰В搴︼紝缁撴灉濡傚彸鍥俱�備粠鍥句腑鍙緱鍑轰笁鏉′富瑕佽寰嬶細
鈶?/p>
(NH
4
)
2
Ce(NO
3
)
6
鍦ㄧ閰镐腑鐨勬憾瑙ｅ害闅忔俯搴﹀崌楂樿�屽澶э紱
鈶?/p>
_____________________________________________
锛?/p>
鈶?/p>
_____________________________________________
銆?/p>
2
銆侀鐩儗鏅細
鈶犳秹鍙婄煡璇嗙偣锛氭哀鍖栬繕鍘熷弽搴旓紝娌夋穩婧惰В骞宠 鍜屽浘鍍忋�?/p>
鈶¤�冩煡鎸囨爣锛氱悊瑙ｈ兘鍔涳紝鎺ュ彈銆佸惛鏀躲�佹暣鍚堝寲瀛︿俊鎭殑鑳藉姏鍜岀畝鍗曡绠楄兘鍔涖�?/p>
鈶㈡垚缁╁弽棣堬細璇曢闅惧害涓?/p>
0.54
锛屽叾涓紙
2
锛?/p>
銆?/p>
锛?/p>
3
锛?/p>
銆?/p>
锛?/p>
4
锛変笁灏忛棶鐨勫緱鍒嗛兘鍦ㄤ竴鍗婁互涓嬨�?/p>
棰樺彿
婊″垎
骞冲潎鍒?/p>
31
锛?/p>
1
锛?/p>
4
3.11
31
锛?/p>
2
锛?/p>
3
1.2
31
锛?/p>
3
锛?/p>
5
2.41
31
锛?/p>
4
锛?/p>
4
1.92
31
16
8.64
鍏按鍚堢閰搁搱
Ce(NO
3
)
3
路
6H
2
O
姘㈡哀鍖栭搱
Ce(OH)
4
纭濋吀楂橀搱婧舵恫
H
2
Ce(NO
3
)
6
纭濋吀閾堥摰鏅朵綋
(NH
4
)
2
Ce(NO
3
)
6
鈪?/p>
鈪?/p>
鈪?