Atomic line plots and minimal and maximal spectra for every element

In this section we show atomic line plots for base state and first ion for almost every element up to element number 92 uranium. These are the basis to how to read unknown elemental emission spectra and to build simulated spectra for our elemental analysis by parameter estimation. The principle of these plots is explained in section x.x.x on atomic line plots and code to produce these is in notebook xx. Lines of low upper energy positioned low in the plot and high probability of transition drawn large are those you are most likely to see to in a LIBS spectrum. These are built based on atomic line lists by Kurucz.

Under the atomic line plots we draw(TODO! NOT YET ADDED) two example simulated spectra from each element, so called minimal and maximal spectra. The selected values of temperatures and electron densities to produce the minimal and maximal spectra are selected somewhat arbitrary based on my own comparisons to experimental LIBS spectra so they might not be such a good fit for other LIBS equipment. They are not the objective truth minimal and maximal but a practical tool where minimal spectrum is used to identify element and maximal spectrum is used to identify peaks.

1 H Hydrogen, 2 He Helium, 3 Li Lithium, 4 Be Beryllium, 5 B Boron, 6 C Carbon, 7 N Nitrogen, 8 O Oxygen, 9 F Fluorine, 10 Ne Neon, 11 Na Sodium, 12 Mg Magnesium, 13 Al Aluminium, 14 Si Silicon, 15 P Phosphorus, 16 S Sulphur, 17 Cl Chlorine, 18 Ar Argon, 19 K Potassium, 20 Ca Calcium, 21 Sc Scandium, 22 Ti Titanium, 23 V Vanadium, 24 Cr Chromium, 25 Mn Manganese, 26 Fe Iron, 27 Co Cobalt, 28 Ni Nickel, 29 Cu Copper, 30 Zn Zinc, 31 Ga Gallium, 32 Ge Germanium, 33 As Arsenic, 34 Se Selenium, 35 Br Bromine, 36 Kr Krypton, 37 Rb Rubidium, 38 Sr Strontium, 39 Y Yttrium, 40 Zr Zirconium, 41 Nb Niobium, 42 Mo Molybdenum, 43 Tc Technetium, 44 Ru Ruthenium, 45 Rh Rhodium, 46 Pd Palladium, 47 Ag Silver, 48 Cd Cadmium, 49 In Indium, 50 Sn Tin, 51 Sb Antimony, 52 Te Tellurium, 53 I Iodine, 54 Xe Xenon, 55 Cs Caesium, 56 Ba Barium, 57 La Lanthanum, 58 Ce Cerium, 59 Pr Praseodymium, 60 Nd Neodymium, 61 Pm Promethium, 62 Sm Samarium, 63 Eu Europium, 64 Gd Gadolinium, 65 Tb Terbium, 66 Dy Dysprosium, 67 Ho Holmium, 68 Er Erbium, 69 Tm Thulium, 70 Yb Ytterbium, 71 Lu Lutetium, 72 Hf Hafnium, 73 Ta Tantalum, 74 W Tungsten, 75 Re Rhenium, 76 Os Osmium, 77 Ir Iridium, 78 Pt Platinum, 79 Au Gold, 80 Hg Mercury, 81 Tl Thallium, 82 Pb Lead, 83 Bi Bismuth, 84 Po Polonium, 85 At Astatine, 86 Rn Radon, 87 Fr Francium, 88 Ra Radium, 89 Ac Actinium, 90 Th Thorium, 91 Pa Protactinium, 92 U Uranium

Note: On web click on a spectrum to open an interactive version or to single atomic line plot data!

x atomic line plot))

1 H Hydrogen

Hydrogen atomic lines plot

2 He Helium

Helium atomic lines plot Helium ionic lines plot

3 Li Lithium

Lithium atomic lines plot Lithium ionic lines plot

4 Be Beryllium

Beryllium atomic lines plot Beryllium ionic lines plot

5 B Boron

Boron atomic lines plot Boron ionic lines plot

6 C Carbon

Note that molecular peaks are not included in this and for Carbon LIBS spectrum the molecular peaks are important and can be dominant. Carbon molecular peaks are explained in chapter xxx.

Carbon atomic lines plot Carbon ionic lines plot

7 N Nitrogen

Nitrogen atomic lines plot Nitrogen ionic lines plot

8 O Oxygen

Oxygen atomic lines plot Oxygen ionic lines plot

9 F Fluorine

Fluorine atomic lines plot Fluorine ionic lines plot

10 Ne Neon

Neon atomic lines plot Neon ionic lines plot

11 Na Sodium

Sodium atomic lines plot Sodium ionic lines plot

12 Mg Magnesium

Magnesium atomic lines plot Magnesium ionic lines plot

13 Al Aluminium

Aluminium atomic lines plot Aluminium ionic lines plot

14 Si Silicon

Silicon atomic lines plot Silicon ionic lines plot

15 P Phosphorus

Phosphorus atomic lines plot Phosphorus ionic lines plot

16 S Sulphur

Sulfur atomic lines plot Sulfur ionic lines plot

17 Cl Chlorine

Chlorine atomic lines plot Chlorine ionic lines plot

Chlorine lowest excitation energies are quite high at over 80000 eV so they requiring high temperatures to be visible and thus chlorine signal usually quite weak in LIBS.

18 Ar Argon

Argon atomic lines plot Argon ionic lines plot

19 K Potassium

Potassium atomic lines plot Potassium ionic lines plot

20 Ca Calcium

Calcium atomic lines plot Calcium ionic lines plot

21 Sc Scandium

Scandium atomic lines plot Scandium ionic lines plot

22 Ti Titanium

Titanium atomic lines plot Titanium ionic lines plot

23 V Vanadium

Vanadium atomic lines plot Vanadium ionic lines plot

24 Cr Chromium

Chromium atomic lines plot Chromium ionic lines plot

25 Mn Manganese

Manganese atomic lines plot Manganese ionic lines plot

26 Fe Iron

Iron atomic lines plot Iron ionic lines plot

27 Co Cobalt

Cobalt atomic lines plot Cobalt ionic lines plot

28 Ni Nickel

Nickel atomic lines plot Nickel ionic lines plot

29 Cu Copper

Copper atomic lines plot Copper ionic lines plot

30 Zn Zinc

Zinc atomic lines plot Zinc ionic lines plot

31 Ga Gallium

Gallium atomic lines plot Gallium ionic lines plot

32 Ge Germanium

Germanium atomic lines plot Germanium ionic lines plot

33 As Arsenic

Arsenic atomic lines plot Arsenic ionic lines plot

34 Se Selenium

Selenium atomic lines plot Selenium ionic lines plot

35 Br Bromine

Bromine atomic lines plot Bromine ionic lines plot

36 Kr Krypton

Krypton atomic lines plot Krypton ionic lines plot

37 Rb Rubidium

Rubidium atomic lines plot Rubidium ionic lines plot

38 Sr Strontium

Strontium atomic lines plot Strontium ionic lines plot

39 Y Yttrium

Yttrium atomic lines plot Yttrium ionic lines plot

40 Zr Zirconium

Zirconium atomic lines plot Zirconium ionic lines plot

41 Nb Niobium

Niobium atomic lines plot Niobium ionic lines plot

42 Mo Molybdenum

Molybdenum atomic lines plot Molybdenum ionic lines plot

43 Tc Technetium

Technetium atomic lines plot Technetium ionic lines plot

44 Ru Ruthenium

Ruthenium atomic lines plot Ruthenium ionic lines plot

45 Rh Rhodium

Rhodium atomic lines plot Rhodium ionic lines plot

46 Pd Palladium

Palladium atomic lines plot Palladium ionic lines plot

47 Ag Silver

Silver atomic lines plot Silver ionic lines plot

48 Cd Cadmium

Cadmium atomic lines plot Cadmium ionic lines plot

49 In Indium

Indium atomic lines plot Indium ionic lines plot

50 Sn Tin

Tin atomic lines plot Tin ionic lines plot

51 Sb Antimony

Antimony atomic lines plot Antimony ionic lines plot

52 Te Tellurium

Tellurium atomic lines plot Tellurium ionic lines plot

53 I Iodine

Iodine atomic lines plot Iodine ionic lines plot

54 Xe Xenon

Xenon atomic lines plot Xenon ionic lines plot

55 Cs Caesium

Caesium atomic lines plot Caesium ionic lines plot

56 Ba Barium

Barium atomic lines plot Barium ionic lines plot

57 La Lanthanum

Lanthanum atomic lines plot Lanthanum ionic lines plot

58 Ce Cerium

Cerium atomic lines plot Cerium ionic lines plot

59 Pr Praseodymium

Praseodymium atomic lines plot Praseodymium ionic lines plot

60 Nd Neodymium

Neodymium atomic lines plot Neodymium ionic lines plot

61 Pm Promethium

Promethium atomic lines plot Promethium ionic lines plot

62 Sm Samarium

Samarium atomic lines plot Samarium ionic lines plot

63 Eu Europium

Europium atomic lines plot Europium ionic lines plot

64 Gd Gadolinium

Gadolinium atomic lines plot Gadolinium ionic lines plot

65 Tb Terbium

Terbium atomic lines plot Terbium ionic lines plot

66 Dy Dysprosium

Dysprosium atomic lines plot Dysprosium ionic lines plot

67 Ho Holmium

Holmium atomic lines plot Holmium ionic lines plot

68 Er Erbium

Erbium atomic lines plot Erbium ionic lines plot

69 Tm Thulium

Thulium atomic lines plot Thulium ionic lines plot

70 Yb Ytterbium

Ytterbium atomic lines plot Ytterbium ionic lines plot

71 Lu Lutetium

Lutetium atomic lines plot Lutetium ionic lines plot

72 Hf Hafnium

Hafnium atomic lines plot Hafnium ionic lines plot

73 Ta Tantalum

Tantalum atomic lines plot Tantalum ionic lines plot

74 W Tungsten

Tungsten atomic lines plot Tungsten ionic lines plot

75 Re Rhenium

Rhenium atomic lines plot Rhenium ionic lines plot

76 Os Osmium

Osmium atomic lines plot Osmium ionic lines plot

77 Ir Iridium

Iridium atomic lines plot Iridium ionic lines plot

78 Pt Platinum

Platinum atomic lines plot Platinum ionic lines plot

79 Au Gold

Gold atomic lines plot Gold ionic lines plot

80 Hg Mercury

Mercury atomic lines plot Mercury ionic lines plot

81 Tl Thallium

Thallium atomic lines plot Thallium ionic lines plot

82 Pb Lead

Lead atomic lines plot Lead ionic lines plot

83 Bi Bismuth

Bismuth atomic lines plot Bismuth ionic lines plot

90 Th Thorium

Thorium atomic lines plot Thorium ionic lines plot

92 U Uranium

Uranium atomic lines plot Uranium ionic lines plot

CC BY-SA 4.0 Ilkka Laine. Last modified: August 26, 2026. Please contact me by email for any questions, suggestions or improvements.