题目内容
(请给出正确答案)
[单选题]
中国药典规定除矿物外,中药二氧化硫残留量一般不得过()
A.250ppm
B.150ppm
C.300ppm
D.100ppm
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A.250ppm
B.150ppm
C.300ppm
D.100ppm
A.30mg/kg
B.150mg/kg
C.150mg/kg
D.400mg/kg