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厂家供应葡聚糖T-3 分子量:3000北京现货-北京绿源博德生物
为了达到准确的实验结果,取用试剂时应遵守以下规则,以保证试剂不受污染和不变质: (1)试剂不能与手接触。 (2)要用洁净的药勺,量筒或滴管取用试剂,绝对不准用同一种工具同时连续取用多种试剂。取完一种试剂后,应将工具洗净(药勺要擦干)后,方 ...
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