中性缓冲甲醛固定液配方是

中性缓冲甲醛固定液配方是A. 40%甲醛10ml,0.01mol/L蒸馏水90ml B. 40%甲醛10ml,0.01mol/L pH7.4的PBS90ml C. 40%甲醛10ml,0.01mol/L pH7.4的PBS100ml D. 10%甲醛10ml,0.01mol/L pH7.4的PBS90ml E. 10%甲醛10ml,0.01mol/L蒸馏水90ml
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B


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