单项选择题

直接滴定法测定还原糖时，要求样液浓度为（　　）左右，与葡萄糖标准溶液的浓度相近。

A、0.10%
B、1%
C、0.1‰
D、0.20%

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单项选择题

A． YA= 3P/16, XA=13P/16,
YC= 3P/16, XC=19P/16
B．   YA= 5P/32, XA=11P/16,
YC= 3P/16, XC=11P/32
C．   YA= 7P/32, XA=13P/32,
YC= 5P/32, XC=17P/32
D．   YA= 3P/32, XA=13P/32,
YC= 3P/32, XC=19P/32