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Element

Reflectivity

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Aluminum

surface polished

1.0 μm

71%  

2.0 μm

82%  

4.0 μm

92%  

7.0 μm

96%  

10.0 μm

98%  

12.0 μm

98%  

Antimony

surface polished

0.6 μm

53%  

1.0 μm

55%  

2.0 μm

60%  

3.0 μm

65%  

4.0 μm

68%  

9.0 μm

72%  

Cadmium

surface polished

1.0 μm

67%  

2.0 μm

72%  

4.0 μm

81%  

7.0 μm

93%  

10.0 μm

97%  

12.0 μm

97%  

Carbon

graphite, surface polished

0.5 μm

22%  

0.6 μm

24%  

0.8 μm

25%  

1.0 μm

27%  

2.0 μm

35%  

4.0 μm

48%  

7.0 μm

54%  

10.0 μm

59%  

Cobalt

surface polished

1.0 μm

67%  

2.0 μm

72%  

4.0 μm

81%  

7.0 μm

93%  

10.0 μm

97%  

12.0 μm

97%  

Copper

surface polished

0.251 μm

25.9%

0.288 μm

24.3%

0.305 μm

25.3%

0.326 μm

24.9%

0.357 μm

27.3%

0.385 μm

28.6%

0.420 μm

32.7%

0.450 μm

37.0%

0.500 μm

43.7%

0.550 μm

47.7%

0.600 μm

71.8%

0.650 μm

80.0%

0.700 μm

83.1%

0.800 μm

88.6%

1.0 μm

90.1%

2.0 μm

95.5%

3.0 μm

97.1%

4.0 μm

97.3%

9.0 μm

98.4%

Gold

surface polished electrolytically

0.251 μm

38.8%

0.288 μm

34.0%

0.305 μm

31.8%

0.326 μm

28.6%

0.357 μm

27.9%

0.385 μm

27.1%

0.420 μm

29.3%

0.450 μm

33.1%

0.500 μm

47.0%

0.550 μm

74.0%

0.600 μm

84.4%

0.650 μm

88.9%

0.700 μm

92.3%

0.800 μm

94.9%

2.0 μm

96.8%

4.0 μm

96.9%

9.0 μm

98.0%

Iridium

surface polished

1.0 μm

78%  

2.0 μm

87%  

4.0 μm

94%  

7.0 μm

95%  

10.0 μm

96%  

12.0 μm

96%  

Iron

surface polished

0.5 μm

55%  

0.6 μm

57%  

0.7 μm

59%  

1.0 μm

65%  

2.0 μm

78%  

3.0 μm

84%  

4.0 μm

89%  

9.0 μm

94%  

Magnesium

surface polished

0.5 μm

72%  

0.6 μm

73%  

1.0 μm

74%  

2.0 μm

77%  

3.0 μm

80%  

4.0 μm

83%  

9.0 μm

93%  

Mercury

surface polished

0.450 μm

72.3%

0.500 μm

70.9%

0.550 μm

71.2%

0.600 μm

69.9%

0.650 μm

71.5%

0.700 μm

72.8%

Molybdenum

surface polished

0.5 μm

46%  

0.6 μm

48%  

0.8 μm

52%  

1.0 μm

58%  

2.0 μm

82%  

4.0 μm

90%  

7.0 μm

93%  

10.0 μm

94%  

12.0 μm

95%  

Nickel

surface polished electrolytically

0.251 μm

37.8%

0.288 μm

42.7%

0.305 μm

44.2%

0.326 μm

45.2%

0.357 μm

48.8%

0.385 μm

49.6%

0.420 μm

56.6%

0.450 μm

59.4%

0.500 μm

60.8%

0.550 μm

62.6%

0.600 μm

64.9%

0.650 μm

66.6%

0.700 μm

68.8%

0.800 μm

69.6%

1.00 μm

72.0%

2.0 μm

83.5%

3.0 μm

88.7%

4.0 μm

91.1%

9.0 μm

95.6%

Palladium

surface polished

1.0 μm

72%  

2.0 μm

81%  

4.0 μm

88%  

7.0 μm

94%  

10.0 μm

97%  

12.0 μm

97%  

Platinum

surface polished electrolytically

0.251 μm

33.8%

0.288 μm

38.8%

0.305 μm

39.8%

0.326 μm

41.4%

0.357 μm

43.4%

0.385 μm

45.4%

0.420 μm

51.8%

0.450 μm

54.7%

0.500 μm

58.4%

0.550 μm

61.1%

0.600 μm

64.2%

0.650 μm

66.5%

0.700 μm

69.0%

0.800 μm

70.3%

1.00 μm

72.9%

2.00 μm

80.6%

3.00 μm

88.8%

4.00 μm

91.5%

9.00 μm

95.4%

Rhodium

surface polished

0.5 μm

76%  

0.6 μm

77%  

0.8 μm

81%  

1.0 μm

84%  

2.0 μm

91%  

4.0 μm

92%  

7.0 μm

94%  

10.0 μm

95%  

Silicon

surface polished

0.5 μm

34%  

0.6 μm

32%  

0.8 μm

29%  

1.0 μm

28%  

2.0 μm

28%  

4.0 μm

28%  

7.0 μm

28%  

10.0 μm

28%  

Silver

chemically deposited; surface polished

0.251 μm

34.1%

0.288 μm

21.2%

0.305 μm

 9.1%

0.326 μm

14.6%

0.357 μm

74.5%

0.385 μm

81.4%

0.420 μm

86.6%

0.450 μm

90.5%

0.500 μm

91.3%

0.550 μm

92.7%

0.600 μm

92.6%

0.650 μm

94.7%

0.700 μm

95.4%

surface polished

0.8 μm

96.8%

1.0 μm

97.0%

2.0 μm

97.8%

3.0 μm

98.1%

4.0 μm

98.5%

9.0 μm

98.7%

Tantalum

surface polished

0.5 μm

38%  

0.6 μm

45%  

0.8 μm

64%  

1.0 μm

78%  

2.0 μm

90%  

4.0 μm

93%  

7.0 μm

94%  

12.0 μm

95%  

Tellurium

surface polished

0.6 μm

49%  

0.8 μm

48%  

1.0 μm

50%  

2.0 μm

52%  

4.0 μm

57%  

7.0 μm

68%  

Tin

surface polished

1.0 μm

54%  

2.0 μm

61%  

4.0 μm

72%  

7.0 μm

81%  

10.0 μm

84%  

12.0 μm

85%  

Tungsten

surface polished

0.5 μm

49%  

0.6 μm

51%  

0.7 μm

54%  

1.0 μm

62%  

2.0 μm

85%  

3.0 μm

90%  

4.0 μm

93%  

9.0 μm

95%  

Vanadium

surface polished

0.5 μm

57%  

0.6 μm

58%  

0.8 μm

60%  

1.0 μm

61%  

2.0 μm

69%  

4.0 μm

79%  

7.0 μm

88%  

Zinc

surface polished

1.0 μm

80%  

2.0 μm

92%  

4.0 μm

97%  

7.0 μm

98%  

10.0 μm

98%  

12.0 μm

99%  

Reference    (Click the button next to a value above to see complete citation information for that entry)

Samsonov, G. V., editor. Handbook of the Physicochemical Properties of the Elements. New York: Plenum Publishing Corporation, 1968.