- 1 -
寰笓棰?/p>
娌夋穩婊村畾娉?/p>
1
锛庢蹇?/p>
娌夋穩婊村畾鏄埄鐢ㄦ矇娣�鍙嶅簲杩涜婊村畾銆佹祴閲忓垎鏋愮殑鏂规硶銆傜敓鎴愭矇娣�鐨勫弽搴斿緢澶氾紝浣嗙鍚堟潯浠剁殑鍗村緢
灏戯紝瀹為檯涓婂簲鐢ㄦ渶澶氱殑鏄摱閲忔硶锛屽嵆鍒╃敤
Ag
锛?
涓庡崵绱犵瀛愮殑鍙嶅簲鏉ユ祴瀹?/p>
Cl
锛?
銆?/p>
Br
锛?
銆?/p>
I
锛?
鐨勬祿搴︺�?/p>
2
锛庡師鐞?/p>
娌夋穩婊村畾鎵�鐢ㄧ殑鎸囩ず鍓傛湰韬氨鏄竴绉嶆矇娣�鍓傦紝婊村畾鍓備笌琚淮瀹氱墿鍙嶅簲鐨勭敓鎴愮墿鐨勬憾瑙ｅ害瑕佹瘮婊村畾
鍓備笌鎸囩ず鍓傚弽搴旂殑鐢熸垚鐗╃殑婧惰В搴﹀皬锛屽惁鍒欎笉鑳界敤杩欑鎸囩ず鍓傘�傚鐢?/p>
AgNO
3
婧舵恫娴嬪畾婧舵恫涓?/p>
Cl
锛?
鐨勫惈閲忔椂甯镐互
CrO
2
锛?
4
涓烘寚绀哄墏锛岃繖鏄洜涓?/p>
AgCl
姣?/p>
Ag
2
CrO
4
鏇撮毦婧剁殑缂樻晠銆?/p>
涓撻璁粌
1
锛?/p>
宸茬煡锛?/p>
Ag
锛?
锛?/p>
SCN
锛?/p>
===AgSCN
鈫?/p>
(
鐧借壊
)
銆?/p>
瀹為獙瀹ゅ彲閫氳繃濡備笅杩囩▼娴嬪畾鎵�鍒剁閰搁摱鏍峰搧鐨勭函搴?/p>
(
鏉傝川
涓嶅弬涓庡弽搴?/p>
)
銆?/p>
(1)
绉板彇
2.000g
鍒跺鐨勭閰搁摱鏍峰搧锛屽姞姘存憾瑙ｏ紝瀹氬鍒?/p>
100mL
銆傛憾娑查厤鍒惰繃绋嬩腑鎵�鐢ㄧ殑鐜荤拑浠櫒
闄ょ儳鏉�佺幓鐠冩澶栬繕鏈?/p>
____________________________________________________
銆?/p>
(2)
鍑嗙‘閲忓彇
25.00mL
婧舵恫锛?/p>
閰稿寲鍚庢淮鍏ュ嚑婊撮搧閾甸拻
[NH
4
Fe(SO
4
)
2
]
婧舵恫浣滄寚绀哄墏锛?/p>
鍐嶇敤
0.100mol路L
锛?/p>
1
NH
4
SCN
鏍囧噯婧舵恫婊村畾銆傛淮瀹氱粓鐐圭殑瀹為獙鐜拌薄涓?/p>
______________________________
________________________________________________________________________
銆?/p>
(3)
鑻ユ淮
瀹氬墠婊村畾绠?/p>
灏栧槾澶?/p>
鏈夋皵娉★紝婊?/p>
瀹氳繃绋嬩腑璇?/p>
姘旀场娑堝け锛?/p>
鍒欐墍娴嬬閰?/p>
閾剁殑璐ㄩ噺鍒?/p>
鏁?/p>
________(
濉�滃亸楂樷�?/p>
鈥滃亸浣庘�濇垨鈥滀笉鍙樷�?/p>
)
銆?/p>
绛旀
(1)100mL
瀹归噺鐡躲�佽兌澶存淮绠?/p>
(2)
婧舵恫鍙樹负绾㈣壊涓斿崐鍒嗛挓涓嶈お鑹?/p>
(3)
鍋忛珮
瑙ｆ瀽
(1)
閰嶅埗
100
mL
涓�瀹氱墿璐ㄧ殑閲忔祿搴︾殑婧舵恫锛屾墍闇�瑕佺殑鐜荤拑浠櫒鏈夌儳鏉�佺幓鐠冩銆?/p>
100
mL
瀹?/p>
閲忕摱銆佽兌澶存淮绠°�?/p>
(2)
鐢?/p>
NH
4
SCN
鏍囧噯婧舵恫婊村畾纭濋吀閾舵憾娑诧紝婊村畾缁堢偣鏃讹紝
SCN
锛?
涓庨搧绂诲瓙缁撳悎鐢熸垚
绾㈣壊婧舵恫锛屾墍浠ユ淮瀹氱粓鐐圭殑瀹為獙鐜拌薄涓烘憾娑插彉涓虹孩鑹蹭笖鍗婂垎閽熶笉瑜壊銆?/p>
(3)
鑻ユ淮瀹氬墠婊村畾绠″皷鍢?/p>
澶勬湁姘旀场锛屾淮瀹氳繃绋嬩腑璇ユ皵娉℃秷澶憋紝鍥犳湁閮ㄥ垎婧舵恫琛ュ厖姘旀场锛屽垯娑堣�楃殑鏍囧噯娑茶鏁板亸澶э紝瀵艰嚧鎵�
娴嬬閰搁摱鐨勮川閲忓垎鏁板亸楂樸�?/p>
2
锛?/p>
KClO
4
鏍峰搧涓父鍚皯閲?/p>
KCl
鏉傝川锛?/p>
涓烘祴瀹氫骇鍝佺函搴﹁繘琛屽涓嬪疄楠岋細
鍑嗙‘绉板彇
5.689g
鏍峰搧婧朵簬姘?/p>
涓紝閰嶆垚
250mL
婧舵恫锛屼粠涓彇鍑?/p>
25.00mL
浜庨敟褰㈢摱涓紝鍔犲叆閫傞噺钁¤悇绯栵紝鍔犵儹浣?/p>
ClO
锛?
4
鍏ㄩ儴杞寲涓?/p>
Cl
锛?
锛?/p>
鍙嶅簲涓?/p>
3KClO
4
锛?/p>
C
6
H
12
O
6
===6H
2
O
锛?/p>
6CO
2
鈫戯紜
3KCl
锛?/p>
鍔犲叆
灏戦噺
K
2
CrO
4
婧舵恫
浣?/p>
鎸囩ず
鍓傦紝
鐢?/p>
0.2000mol路L
锛?/p>
1
AgNO
3
婧舵恫婊村畾鑷崇粓鐐癸紝娑堣�?/p>
AgNO
3
婧舵恫浣撶Н
21.00mL
銆傛淮瀹氳揪鍒扮粓鐐规椂锛屼骇鐢熺爾
绾㈣壊
Ag
2
CrO
4
娌夋穩銆?/p>
(1)
宸茬煡锛?/p>
K
sp
(AgCl)
锛?/p>
1.8
脳
l0
锛?/p>
10
锛?/p>
K
sp
(Ag
2
CrO
4
)
锛?/p>
1.1
脳
10
锛?/p>
12
锛?/p>
鑻ョ粓鐐规椂
c
(CrO
2
锛?/p>
4
)
锛?/p>
1.1
脳
10
锛?/p>
4
mol路L