题目内容
过碘酸-雪夫反应的阳性结果为（ ）
2021-10-01
A.棕黑色颗粒
B.灰褐色至深黑色颗粒或片状沉淀
C.蓝色颗粒
D.弥散蓝色、颗粒状、小珠状或块状
E.红色颗粒、块状或呈弥漫状红色
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