计算溶液所需的质量、体积或浓度。
BioReagent 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
产品用途:用于制霉素效价的测定。 使用方法:称取本品54.5g于1L蒸馏水或去离子水中(可按比例增加或减少配制量),搅拌加热煮沸至完全溶解,分装至适宜容器中,于121℃高压灭菌15分钟,灭菌结束后立即摇匀,以防琼脂沉积于器皿底部凝固,冷却至约50-55℃时倾注平板或制成斜面,备用。 配方: /L 蛋白胨 9.4g 牛肉浸粉 2.4g 酵母浸粉 4.7g 葡萄糖 10.0g 氯化钠 10.0g 琼脂 18.0g PH 6.0±0.1(25℃)
Product application: For the determination of nystatin potency. Usage: Weigh 54.5 g of this product in 1 L of distilled or deionized water (the volume may be scaled up or down proportionally), stir and heat to boiling until completely dissolved, dispense into suitable containers, and autoclave at 121°C for 15 minutes. After sterilization, shake immediately to prevent agar from settling and solidifying at the bottom of the vessel. When cooled to approximately 50–55°C, pour into plates or prepare slants, and set aside for use. Formula: /L Peptone 9.4 g Beef extract powder 2.4 g Yeast extract powder 4.7 g Glucose 10.0 g Sodium chloride 10.0 g Agar 18.0 g pH 6.0 ± 0.1 (25°C)