Composition of UREA:
Density (g/cm
3
) =
1.32300E+00
Mean Excitation Energy (eV) =
72.800000
COMPOSITION:
Atomic number
Fraction by weight
1
0.067131
6
0.199999
7
0.466459
8
0.266411
All materials:
1: Hydrogen
2: Helium
3: Lithium
4: Beryllium
5: Boron
6: Carbon, Amorphous (density2.0 g/cm3)
6: Graphite (density 1.7 g/cm3)
7: Nitrogen
8: Oxygen
9: Fluorine
10: Neon
11: Sodium
12: Magnesium
13: Aluminum
14: Silicon
15: Phosphorus
16: Sulfur
17: Chlorine
18: Argon
19: Potassium
20: Calcium
21: Scandium
22: Titanium
23: Vanadium
24: Chromium
25: Manganese
26: Iron
27: Cobalt
28: Nickel
29: Copper
30: Zinc
31: Gallium
32: Germanium
33: Arsenic
34: Selenium
35: Bromine
36: Krypton
37: Rubidium
38: Strontium
39: Yttrium
40: Zirconium
41: Niobium
42: Molybdenum
43: Technetium
44: Ruthenium
45: Rhodium
46: Palladium
47: Silver
48: Cadmium
49: Indium
50: Tin
51: Antimony
52: Tellurium
53: Iodine
54: Xenon
55: Cesium
56: Barium
57: Lanthanum
58: Cerium
59: Praseodymium
60: Neodymium
61: Promethium
62: Samarium
63: Europium
64: Gadolinium
65: Terbium
66: Dysprosium
67: Holmium
68: Erbium
69: Thulium
70: Ytterbium
71: Lutetium
72: Hafnium
73: Tantalum
74: Tungsten
75: Rhenium
76: Osmium
77: Iridium
78: Platinum
79: Gold
80: Mercury
81: Thallium
82: Lead
83: Bismuth
84: Polonium
85: Astatine
86: Radon
87: Francium
88: Radium
89: Actinium
90: Thorium
91: Protactinium
92: Uranium
93: Neptunium
94: Plutonium
95: Americium
96: Curium
97: Berkelium
98: Californium
A-150 Tissue-Equivalent Plastic
Acetone
Acetylene
Adenine
Adipose Tissue (ICRP)
Air, Dry (near sea level)
Alanine
Aluminum Oxide
Amber
Ammonia
Aniline
Anthracene
B-100 Bone-Equivalent Plastic
Bakelite
Barium Fluoride
Barium Sulfate
Benzene
Beryllium oxide
Bismuth Germanium oxide
Blood (ICRP)
Bone, Compact (ICRU)
Bone, Cortical (ICRP)
Boron Carbide
Boron Oxide
Brain (ICRP)
Butane
N-Butyl Alcohol
C-552 Air-Equivalent Plastic
Cadmium Telluride
Cadmium Tungstate
Calcium Carbonate
Calcium Fluoride
Calcium Oxide
Calcium Sulfate
Calcium Tungstate
Carbon Dioxide
Carbon Tetrachloride
Cellulose Acetate, Cellophane
Cellulose Acetate Butyrate
Cellulose Nitrate
Ceric Sulfate Dosimeter Solution
Cesium Fluoride
Cesium Iodide
Chlorobenzene
Chloroform
Concrete, Portland
Cyclohexane
1,2-Ddihlorobenzene
Dichlorodiethyl Ether
1,2-Dichloroethane
Diethyl Ether
N,N-Dimethyl Formamide
Dimethyl Sulfoxide
Ethane
Ethyl Alcohol
Ethyl Cellulose
Ethylene
Eye Lens (ICRP)
Ferric Oxide
Ferroboride
Ferrous Oxide
Ferrous Sulfate Dosimeter Solution
Freon-12
Freon-12B2
Freon-13
Freon-13B1
Freon-13I1
Gadolinium Oxysulfide
Gallium Arsenide
Gel in Photographic Emulsion
Glass, Lead
Glass, Plate
Glass, Pyrex
Glucose
Glutamine
Glycerol
Guanine
Gypsum, Plaster of Paris
N-Heptane
N-Hexane
Kapton Polyimide Film
Lanthanum Oxybromide
Lanthanum Oxysulfide
Lead Oxide
Lithium Amide
Lithium Carbonate
Lithium Fluoride
Lithium Hydride
Lithium Iodide
Lithium Oxide
Lithium Tetraborate
Lung (ICRP)
M3 Wax
Magnesium Carbonate
Magnesium Fluoride
Magnesium Oxide
Magnesium Tetraborate
Mercuric Iodide
Methane
Methanol
Mix D Wax
MS20 Tissue Substitute
Muscle, Skeletal
Muscle, Striated
Muscle-Equivalent Liquid, with Sucrose
Muscle-Equivalent Liquid, without Sucrose
Naphthalene
Nitrobenzene
Nitrous Oxide
Nylon, Du Pont ELVAmide 8062
Nylon, type 6 and type 6/6
Nylon, type 6/10
Nylon, type 11 (Rilsan)
Octane, Liquid
Paraffin Wax
N-Pentane
Photographic Emulsion
Plastic Scintillator (Vinyltoluene based)
Plutonium Dioxide
Polyacrylonitrile
Polycarbonate (Makrolon, Lexan)
Polychlorostyrene
Polyethylene
Polyethylene Terephthalate (Mylar)
Polymethyl Methacralate (Lucite, Perspex)
Polyoxymethylene
Polypropylene
Polystyrene
Polytetrafluoroethylene (Teflon)
Polytrifluorochloroethylene
Polyvinyl Acetate
Polyvinyl Alcohol
Polyvinyl Butyral
Polyvinyl Chloride
Polyvinylidene Chloride, Saran
Polyvinylidene Fluoride
Polyvinyl Pyrrolidone
Potassium Iodide
Potassium Oxide
Propane
Propane, Liquid
N-Propyl Alcohol
Pyridine
Rubber, Butyl
Rubber, Natural
Rubber, Neoprene
Silicon Dioxide
Silver Bromide
Silver Chloride
Silver Halides in Photographic Emulsion
Silver Iodide
Skin (ICRP)
Sodium Carbonate
Sodium Iodide
Sodium Monoxide
Sodium Nitrate
Stilbene
Sucrose
Terphenyl
Testes (ICRP)
Tetrachloroethylene
Thallium Chloride
Tissue, Soft (ICRP)
Tissue, Soft (ICRU four-component)
Tissue-Equivalent GAS (Methane based)
Tissue-Equivalent GAS (Propane based)
Titanium Dioxide
Toluene
Trichloroethylene
Triethyl Phosphate
Tungsten Hexafluoride
Uranium Dicarbide
Uranium Monocarbide
Uranium Oxide
Urea
Valine
Viton Fluoroelastomer
Water, Liquid
Water Vapor
Xylene
Note: not every material in the above list is available in the ASTAR and PSTAR databases.
