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Polymẽ bọc nano hạt từ in dấu ion chọn lọc cho sự tách biệt và phát hiện dấu vết ion 203Pb bằng quang phổ gamma
Tóm tắt
Chì-203 được tạo ra từ việc bơm proton vào mục tiêu thalium tự nhiên. Ứng dụng của polymẽ in dấu ion Pb(II) mới kết hợp với hạt nano từ đã được nghiên cứu để tách biệt và phát hiện ion Pb(II) với nồng độ cực thấp. Chất hấp phụ mới này đã được đặc trưng bằng kính hiển vi điện tử quét và quang phổ hồng ngoại biến đổi Fourier. Các yếu tố khác nhau đã được xem xét trong nghiên cứu này. Để kiểm tra tính chọn lọc của chất hấp phụ đối với việc hấp thụ các ion Pb(II), các tác động của nhiều ion cạnh tranh khác nhau gây cản trở đến sự tiền nồng độ và hồi phục ion Pb(II) cũng đã được điều tra. Tỷ lệ hồi phục của phương pháp đạt được là 96,4% với 2,5 mL dung môi eluent phù hợp. Cuối cùng, chất hấp phụ đã được áp dụng cho việc tách biệt và xác định các ion 203Pb(II).
Từ khóa
#203Pb #ion Pb(II) #polymẽ in dấu ion #tách biệt #phát hiện dấu vết #quang phổ gammaTài liệu tham khảo
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