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15问答网 > 医院氧气瓶里的氧气浓度是多少？

医院氧气瓶里的氧气浓度是多少？

2025-04-03 03:03:36

推荐回答（3个）

回答1：

医疗急救用氧的浓度是99%。
氧气分四种.
1、空气中的氧气浓度在21
2、生命级富氧浓度在30%
3、医疗用氧浓度在45%-99%正常在70%
4、纯氧浓度为100%

回答2：

大约是75%

回答3：

据我个人所知，大约是83%，

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