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10％的NaOH溶液如何配制？

2025-03-15 10:49:27

推荐回答（3个）

回答1：

1\斐林试剂:甲液（0.1g/ml NaOH溶液）、乙液（0.05g/ml CuSO4溶液)
鉴定还原糖:如葡萄糖等
2\双缩脲试剂:A液（0.1g/ml NaOH溶液）、B液（0.01g/ml CuSO4溶液)
鉴定蛋白质,蛋白质种类多如:肌肉\头发\绝大多数的酶(包括你提到的胰蛋白酶)等
3\只要用蒸馏水将斐林试剂中的乙液（0.05g/ml CuSO4溶液)稀释为（0.01g/ml CuSO4溶液),这样就可以得到双缩脲试剂,就可以鉴定胰蛋白酶

回答2：

应该是先配制饱和溶液，即110gNaOH溶解于100ml无二氧化碳水
放置澄清后取上层清液，加无二氧化碳水定容到你需要的浓度，然后以邻苯二甲酸氢钾标定出实际浓度

回答3：

楼上的回答与题目毫不相关。
应该是用10g的NaOH放置入100ml烧杯中，加蒸馏水搅拌溶解至100ml，待其冷却后再补充适量的水。

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