涓夎崏閰稿悎閾?/p>
(
鈪?/p>
)
閰搁捑鐨勫埗澶囧拰缁勬垚娴嬪畾
瀹為獙鐩殑
1.
鎺屾彙鍚堟垚
K
3
Fe[(C
2
O
4
)
3
]路
3H
2
O
鐨勫熀鏈師鐞嗗拰鎿嶄綔鎶�鏈紱
2.
鍔犳繁瀵归搧
(
鈪?/p>
)
鍜岄搧
(
鈪?/p>
)
鍖栧悎鐗╂�ц川鐨勪簡瑙ｏ紱
3.
鎺屾彙瀹归噺鍒嗘瀽绛夊熀鏈搷浣溿�?/p>
瀹為獙鍘熺悊
涓夎崏閰稿悎閾?/p>
(
鈪?/p>
)
閰搁捑锛堝惈涓変釜缁撴櫠姘达級涓虹繝缁胯壊鍗曟枩鏅朵綋锛屾槗婧朵簬姘翠笖闅炬憾浜庝箼閱囷紝鍙?/p>
鍏夋槗鍒嗚В銆?/p>
鏈疄楠屼互纭吀浜氶搧閾典负鍘熸枡锛?/p>
涓庤崏閰稿湪閰告�ф憾娑蹭腑鍏堝埗寰楄崏閰镐簹閾佹矇娣�锛?/p>
鐒跺悗鍐嶇敤鑽夐吀
浜氶搧鍦ㄨ崏閰搁捑鍜岃崏閰哥殑瀛樺湪涓嬶紝
浠ヨ繃姘у寲姘负姘у寲鍓傦紝
寰楀埌閾?/p>
(
鈪?/p>
)
鑽夐吀閰嶅悎鐗╋紝
涓昏鍙嶆槧涓猴細
(NH
4
)
2
Fe(SO
4
)
2
+H
2
C
2
O
4
+2H
2
O===FeC
2
O
4
路
2H
2
O
鈫?/p>
+(NH
4
)
2
SO
4
+H
2
SO
4
2FeC
2
O
4
路
2H
2
O+H
2
O
2
+3K
2
C
2
O
4
+H
2
C
2
O
4
===2K
3
Fe[(C
2
O
4
)
3
]路
3H
2
O
鏀瑰彉婧跺墏鐨勬瀬鎬у苟鍔犲皯閲忕洂鏋愬墏锛屽彲鏋愬嚭缁胯壊鍗曟枩鏅朵綋绾殑涓夎崏閰稿悎閾?/p>
(
鈪?/p>
)
閰搁捑锛岄�氳繃鍖栧
鍒嗘瀽纭畾閰嶇瀛愮殑缁勬垚銆傜敤
KMnO
4
鏍囧噯婧舵恫鍦ㄩ吀鎬т粙璐ㄤ腑婊村畾娴嬪緱鑽夐吀鏍圭殑鍚噺銆?/p>
Fe
3+
鍚?/p>
閲忓彲鍏堢敤杩囬噺閿岀矇灏嗗叾杩樺師涓?/p>
Fe
2+
锛岀劧鍚庡啀鐢?/p>
KMnO
4
鏍囧噯婧舵恫婊村畾鑰屾祴寰楋紝鍏跺弽搴斿紡涓猴細
5Fe
2+
+KMnO
4
-
+8H
+
===5Fe
3+
+Mn
2+
+4H
2
O
2MnO
4
-
+5C
2
O
4
2-
+16H
+
===2Mn
2+
+10CO
2
+8H
2
O
瀹為獙浠櫒涓庡疄楠岃嵂鍝?/p>
鎵樼洏澶╁钩锛涘垎鏋愬ぉ骞筹紱鎶芥护瑁呯疆锛涚儳鏉紙
100mL
锛?/p>
250mL
锛?/p>
锛涚數鐐夛紱绉绘恫绠★紙
25mL
锛?/p>
锛?/p>
瀹归噺鐡讹紙
50mL
锛?/p>
100mL
锛?/p>
250mL
锛?/p>
锛涢敟褰㈢摱锛?/p>
250mL
锛?/p>
锛涢噺绛掞紱璇曠锛涜〃闈㈢毧锛涚幓鐠冩锛涙护
绾革紱鐐规淮鏉匡紱鎭掓俯姘存荡妲斤紱鎭掓俯骞茬嚗绠便�?/p>
閾佸睉锛?/p>
Na
2
CO
3
锛?/p>
0.1mol/L
锛?/p>
锛?/p>
H
2
SO
4
锛?/p>
3mol/L
锛?/p>
锛涚～閰搁摰锛?/p>
H
2
SO
4
锛?/p>
1mol/L
锛?/p>
锛?/p>
H
2
C
2
O
4
锛堥ケ
鍜岋級
锛?/p>
K
2
C
2
O
4
锛堥ケ鍜岋級
锛?/p>
KCL(A.R.)
锛?/p>
KNO
3
锛?/p>
300g/L
锛?/p>
锛涗箼閱囷紙
95%
锛?/p>
锛涗箼閱団�斾笝閰贩鍚堟恫锛?/p>
1
锛?/p>
1
锛?/p>
锛?/p>
K
3
[Fe(CN)
6
]
锛?/p>
5%
锛?/p>
锛?/p>
H
2
O
2
锛?/p>
3%
锛?/p>
锛涢攲绮夛紱
NaC
2
O
4
銆?/p>
瀹為獙姝ラ
1.
涓夎崏閰稿悎閾?/p>
(
鈪?/p>
)
閰搁捑鐨勫埗澶?/p>
锛?/p>
1
锛夌～閰镐簹閾侀摰鐨勫埗澶?/p>
鈶犲噯纭О閲?/p>
4.20g
閾佸睉浜庨敟褰㈢摱涓紝
鍔?/p>
20mL 0.1mol/L Na
2
CO
3
婧舵恫锛?/p>
缂撴參鍔犵儹
10min
锛?/p>
鈶＄敤鍊炬瀽娉曢櫎鍘荤⒈娑诧紝骞剁敤姘存妸閾佸睉娲楀噣锛?/p>
鈶㈠線鐩涚潃閾佸睉鐨勯敟褰㈢摱鍐呭姞鍏?/p>
25mL 3mol/L H
2
SO
4
婧舵恫锛屾按娴?/p>
80
鈩冿紝骞跺父鍙栧嚭闇囪崱锛?/p>
涓旇ˉ鍏呮按鍒嗭紝鐩磋嚦鍙嶅簲浣撶郴涓皵娉″啋鍑洪�熷害寰堟參涓烘锛?/p>
鈶ｅ啀鍔?/p>
1mL 3mol/L H
2
SO
4
婧舵恫锛?/p>
鈶よ秮鐑父鍘嬭繃婊わ紝婊ゆ恫杞Щ鍏?/p>
200mL
鐑ф澂涓紱
鈶ョО鍥轰綋纭吀閾?/p>
9.50g
锛屾憾浜庤鏈?/p>
12.6mL
寰儹钂搁姘寸殑鐑ф澂涓紙
20
鈩冮ケ鍜屾憾娑诧級
锛?/p>
鈶﹀皢涓婅堪楗卞拰婧舵恫鍔犲叆鍒扳懁涓紝
鎼呮媽鍧囧寑锛?/p>
灏忕伀鍔犵儹锛?/p>
鍦ㄨ捀鍙戠毧涓捀鍙戞祿缂╄嚦婧舵恫琛?/p>
闈㈠嚭鐜版櫠鑶滀负姝紱
鈶ф憾娑查潤缃紝鍐峰嵈鑷冲娓╋紝鎶芥护锛岀敤灏戦噺涔欓唶娲楁钉鏅朵綋涓ゆ锛屾櫨骞诧紝寰楃～閰镐簹閾侀摰鏅?/p>
浣撱�?/p>
锛?/p>
2
锛夎崏閰镐簹閾佺殑鍒跺
鈶犵О鍙?/p>
5g
纭吀浜氶搧閾靛浐浣撲簬
250mL
鐑ф澂涓紝
鍔?/p>
15mL
钂搁姘村拰
5
鈥?/p>
6
婊?/p>
1mol/L H
2
SO
4
锛?/p>
鈶″姞鐑憾瑙ｏ紝鍔?/p>
25mL
楗卞拰鑽夐吀婧舵恫锛屽姞鐑悈鎷岃嚦娌革紝涓嶆柇鎼呮媽锛?/p>
鈶㈢淮鎸佺淮娌?/p>
4min
鍚庯紝鍋滄鍔犵儹锛屽彇灏戦噺娓呮恫浜庤瘯绠′腑锛岀叜娌革紝鑻ュ弽搴斿畬鍏紝灏嗘憾娑?/p>
闈欑疆锛?/p>
鈶ｅ緟
FeC
2
O
4
路
2H
2
O
娌夋穩鍚庢竻鏋愶紝
寮冨幓涓婂眰娓呮恫锛?/p>
鐢ㄦ�婚噺
20mL
钂搁姘村垎涓夋鐢ㄥ�炬瀽娉?