Isotope

Mass

Half-Life

Abundance

Isotope

Mass

Half-Life

Abundance

·   ⁵⁵Cu

54.966

>200ns

·   ⁶⁶Cu

65.928873

5.09 m

·   ⁵⁶Cu

55.959

>200ns

·   ⁶⁷Cu

66.92775

2.580 d

·   ⁵⁷Cu

56.9492

199.4 ms

·   ^68mCu

31 s

·   ⁵⁸Cu

57.9445

3.204 s

·   ⁶⁸Cu

 67.92964

3.75m

·   ⁵⁹Cu

58.939504

81.5 s

·   ⁶⁹Cu

68.92943

2.8 m

·   ⁶⁰Cu

59.937368

23.7 m

·   ^70mCu

 69.93241

47s

·   ⁶¹Cu   

60.933462

3.35 h

·   ⁷⁰Cu

70.9326

19.5s

·   ⁶²Cu

61.932587

9.74 m

·   ⁷¹Cu

71.936

6.6s

·   ⁶³Cu

62.9296

stable

69.17 %

·   ⁷²Cu

72.936

3.9s

·   ⁶⁴Cu

63.929768

12.701 h

·   ⁷³Cu

·   ⁶⁵Cu

64.9278

stable

30.833 %