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稀土基础知识(二)
稀土金属的某些物理特性
原子序数元素原子量离子半
径(埃)密度
(克/厘3)熔度
(℃)沸点
(℃)氧化物
熔点(℃)比电阻欧姆· 厘米×106R3+离子磁矩
(波尔磁子)热中子俘获
截面(靶)57La138.921.226.19920±54230
231556.80.008.958Ce140.131.186.768804±52930195075.32.560.759Pr140.921.166.769935±53020250068.03.6211.260Nd144.271.157.0071024±53180227064.33.684661Pm147.001.14-----2.83-62Sm150.351.137.5041052±51630235088.01.55~1.65550063Eu152.001.135.166826±101490205081.33.40~3.50460064Gd157.261.117.8681350±2027302350140.57.944600065Tb158.931.098.253133625302387-9.74466Dy162.511.078.5651485±202330234056.010.6110067Ho164.941.058.79914902330236087.010.66468Er167.271.049.0581500~155026302355107.09.616669Tm168.941.049.3181500~16002130240079.07.611870Yb173.041.006.959824±51530234627.04.53671Lu174.990.999.8491650~17501930240079.00.0010821Sc44.970.832.9951550~16002750---1339Y88.921.064.472155230302680--1.27添加时间:2013-8-2 人气:39420 上一个:稀土元素 下一个:稀土基础知识(三)