WORD
鏍煎紡
.
鍒嗕韩
绮惧搧
.
璧勬枡
瀹夊窘鐪?/p>
2017
骞存按澶勭悊鍖栭獙鍛樿�冭瘯璇曞嵎
鏈嵎鍏卞垎涓?/p>
1
澶ч
50
灏忛锛屼綔绛旀椂闂翠负
180
鍒嗛挓锛屾�诲垎
100
鍒嗭紝
60
鍒嗗強鏍笺�?/p>
涓�銆佸崟椤归�夋嫨棰橈紙鍏?/p>
25
棰橈紝姣忛
2
鍒嗭紝姣忛鐨勫閫夐」涓紝鍙湁
1
涓簨鏈�绗﹀悎
棰樻剰锛?/p>
1
銆佹牴鎹祴瀹氬師鐞嗗拰浣跨敤浠櫒鐨勪笉鍚岋紝鍒嗘瀽鏂规硶鍙垎涓?/p>
__
銆?/p>
A
锛庨噸閲忓垎鏋愭硶鍜屾淮瀹氬垎鏋愭硶
B
锛庢皵浣撳垎鏋愭硶鍜屼华鍣ㄥ垎鏋愭硶
C
锛庡寲瀛﹀垎鏋愭硶鍜屼华鍣ㄥ垎鏋愭硶
D
锛庤壊璋卞垎鏋愭硶鍜岃川璋卞垎鏋愭硶
2
銆佽涓拰
25mL 0.1mol/L
鐨?/p>
NaOH
婧舵恫锛岄渶瑕?/p>
0.1mol/L H2SO4
婧舵恫
__
銆?/p>
A
锛?/p>
12.5mL
B
锛?/p>
25mL
C
锛?/p>
50mL
D
锛?/p>
6mL
3
銆佷笅鍒楁潗鏂欎腑锛屼笉閫傚疁鐢ㄤ簬鍒堕�犲偍瀛樻祿纭吀鐨勫鍣ㄧ殑鏄?/p>
__
銆?/p>
A
锛庨搧
B
锛庣幓鐠?/p>
C
锛庨摐
D
锛庨櫠鐡?/p>
4
銆?/p>
GB 5749
鈥?/p>
1985
銆婄敓娲婚ギ鐢ㄦ按鍗敓鏍囧噯銆嬩腑閾佺殑鍚噺鏍囧噯闄愰噺鏄?/p>
__
銆?/p>
A
锛?/p>
0.3 mg/L
B
锛?/p>
0.4 mg/L