Covid-19/nCoV -Cách tự làm nước rửa tay khô theo hướng dẫn của WHO

Tình trạng dịch bệnh viêm đường hô hấp cấp do Covid-19/nCoV vẫn chưa có dấu hiệu lắng xuống và mọi người rất quan tâm tới cách phòng tránh theo các khuyến cáo của Bộ Y tế cũng như theo chỉ dẫn của tổ chức WHO.

Nước sát khuẩn khô

Một trong những cách phòng ngừa lây lan virus Corona đó là rửa tay bằng xà phòng hoặc nước rửa tay khô nếu không thể rửa sạch bằng nước.

Dưới đây là công thức tự pha chế nước rửa tay khô diệt khuẩn theo hướng dẫn của WHO.

WHO đã đưa ra công thức tự pha chế dung dịch rửa tay khô với một số lưu ý, gồm công thức dùng để pha chế 10 lít dung dịch rửa tay, thể tích mỗi lần pha chế không được vượt qua 50 lít.

Hướng dẫn tự làm dung dịch rửa tay khô

Các nguyên liệu chuẩn bị gồm:

– Chai xịt, lọ để chiết dung dịch.

– Bình thủy tinh dung tích 10l.

– Phễu nhỏ.

– Cồn y tế 96%: 8333ml (tác dụng khử trùng).

– Oxy già 3%: 417ml (ngưng hoạt bào tử vi khuẩn bị nhiễm trong dung dịch).

– Glycerin 98%: 145ml (giữ ẩm da tay).

– Nước cất hoặc nước đun sôi để nguội

Lưu ý: các dụng cụ, nguyên liệu bên trên chúng ta mua tại các cơ sở y tế. Cồn y tế có khả năng bắt cháy nên khi tiến hành pha chế cần tránh xa những khu vực lửa, nguồn điện. Rửa sạch các dụng cụ pha chế và có găng tay đeo khi thực hiện.

Các bước làm dung dịch rửa tay khô:

– Đong 8333ml cồn rồi đổ vào bình chưa 10l.

– Tiếp tục đong 417ml oxy già rồi thêm vào bình chứa cồn.

– Đong 145ml glyxerin rồi cho vào bình chứa hỗn hợp trên. Sau khi đổ xong cần tráng bình đong gylxerin bằng nước đun sôi để nguội do dung dịch có tính chất nhớt. Nước tráng bình sẽ đổ vào bình chứa hỗn hợp.

– Đổ nước cất/nước đun sôi để nguội vào bình chứa khi hỗn hợp dung dịch trong bình chạm đến mốc 10l. Vặn nắp ngay để tránh bay hơi.

– Lắc đều bình 10l để trộn đều các dung dịch bên trong bình.

– Chiết dung dịch vừa pha chế sang những lọ nhỏ hơn. Khi chiết xong cần chờ 72 tiếng để các loại vi khuẩn trong bình chiết bị tiêu diệt thì mới sử dụng được.

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    my readers would appreciate your work. If you’re even remotely interested, feel free to
    shoot me an email.

  83. You actually make it seem so easy with your presentation but I
    find this topic to be actually something that I think I would never understand.
    It seems too complex and extremely broad for me. I’m looking forward
    for your next post, I’ll try to get the hang of it!

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