手套操作.用完蓋好,避免潮氣.1大筒鹽從試劑公司買來,估計有20多年了,高純度裏麵不能加防結塊劑.
手套操作.用完蓋好,避免潮氣.1大筒鹽從試劑公司買來,估計有20多年了,高純度裏麵不能加防結塊劑.
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