Chemistry:Newton's metal
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Short description: Low-melting-point alloy of bismuth, lead and tin
Newton's metal is a fusible alloy with a low melting point. Its composition by weight is 8 parts bismuth, 5 parts lead and 3 parts tin; its melting point is 97 °C.
Newton's metal is comparable to Cerrobend, but avoids its toxic cadmium content. This has encouraged its use for medical applications for easily shaped shielding during radiotherapy.[1]
References
- ↑ Kamal, M.; Moharam, B. M.; Farag, H. I.; El-Bediwi, A.; Shosha, Hany A.; Aboshieasha, H. F. (2007). "Newton's metal as a new home-made shielding material". Radiation Effects and Defects in Solids (Taylor & Francis) 162 (1): 53–57. doi:10.1080/10420150601045382. Bibcode: 2007REDS..162...53K.
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