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. 10%甲醛10ml,0.01mol/LpH7.4的PBS90ml C. 40%甲醛10ml,0.01mol/LpH7.4的PBS90ml D. 10%甲醛10ml,0.01mol/L蒸馏水90ml E. 40%甲醛10ml,0.01mol/LpH7.4的PBS100ml
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C


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