题目内容
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[主观题]
DWS-295F型钠离子新购的PNa电极或久置不用的玻璃电极,在使用前必须在0.01mol/L氯化钠溶液中浸泡24h。以上说法是否正确()
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A.0.00~9.00PNa
B.0.00~8.00PNa
C.13g/L~0.013μg/L
D.23g/L~0.023μg/L
A.5%,0.1mol/L
B.10%,0.1mol/L
C.5%,0.01mol/L
D.10%,0.01mol/L