针状结晶或块状，呈银灰色金属光泽。坚硬，性质活泼。易被氧气氧化，与水反应迅速，溶于酸。用于制作磁铁的合金。
沸点：2335℃
熔点：1409℃
密度：8.550

镝标准溶液：
项目                                    1 mg/ml 镝溶于2% HNO3, 用于AAS 
外观Appearance                          透明溶液 
浓度Strength                            995 - 1005 ug/ml的镝溶于 2% HNO3 (20°C) 


镝锭：
外观Appearance                          金属锭
TREM (%,Min)                             99.5 
Dy/TREM (%,Min)                          99.95~99.99 
稀土总杂质Tot. conc. of imp. as REO     <0.1 % 
稀土杂质Rare Earth lmpurities (%,Max) 
Tb                                       0.0005 
Gd                                       0.0004 
Er                                       0.0005 
Ho                                       0.0028 
Y                                        0.0015 
非稀土杂质Non-RE lmpurities (%,Max)  
Fe                                       0.004 
Si                                       0.002 
Ca                                       0.002  
Mg                                       0.001  
Al                                       0.004 
Ni                                       0.0008 
C                                        0.01 
O                                        0.005 

 

用于生产荧光粉、珐琅和釉，也用于制造红外线发生器材和激光器材、以及原子能工业。
抽空密封，内装双层塑料袋，外小铁桶密封，充氩气，