天气预报 > 其他 > 生理盐水冻成冰还能用么
生理盐水冻成冰还能用么
更新时间: 2020-07-02 00:00:00  

冻了融化之后渗透压仍和血浆浓度一样且无细菌滋生,则可输入人体。

生理盐水,是指生理学实验或临床上常用的渗透压与动物或人体血浆的渗透压基本相等的氯化钠溶液。

浓度:用于两栖类动物时是0.0067至0.0070,用于哺乳类动物和人体时是0.0085至0.009。人们平常点滴用的氯化钠注射液浓度是0.009,可以当成生理盐水来使用。

生理盐水渗透压与人体血液近似,钠的含量也与血浆相近,但氯的含量却明显高于血浆内氯的含量,因此生理盐水只是比较地合乎生理,其用途为供给电解质

关键词: 生理盐水

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