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纯粹稚生素B_(12)的溶液,在PH4—4.5时以及在正常貯藏条件下,可能稳定至18个月,但与其他维生素混合时,例如在复合维生素
A solution of pure BMI 12 may stabilize to 18 months at pH 4-4.5 and under normal storage conditions but when mixed with other vitamins such as in the case of multivitamins