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1、A B C D E - G H I - - L M N - P - R S T U V - - Y ZMaterial Name Symbol Densitygm/cm3 Acoustic Z105 gm/cm2 secAluminum Al 2.700 8.170Aluminum Antimonide AlSb 4.360 11.884Aluminum Oxide Al2O3 3.970 26.280Antimony Sb 6.620 11.490Arsenic As 5.730 9.140Barium Ba 3.500 4.200Barium Flouride BaF2 4.886 11.
2、135Barium Nitrate BaN2O6 3.244 7.002Barium Titanate (Cubic) BaTiO3 6.035 21.432Barium Titanate (Tetr) BaTiO3 5.999 19.030Beryllium Be 1.850 16.260Bismuth Bi 9.800 11.180Boron B 2.540 22.700Cadmium Cd 8.640 12.950Cadmium Sulfide CdS 4.830 8.660Cadmium Telluride CdTe 5.850 9.010Calcium Ca 1.550 3.370C
3、alcium Fluoride CaF2 3.180 11.390Calcium Sulfate CaSO4 2.962 9.246Carbon (Diamond) C 3.520 40.140Carbon (Graphite) C 2.250 2.710Cesium Bromide CsBr 4.456 6.262Cesium Chloride CsCl 3.988 6.312Cesium Iodide CsI 4.516 5.726Cesium Sulfate Cs2SO4 4.243 7.285Chromium Cr 7.200 28.950Cobalt Co 8.710 25.740C
4、obalt Oxide CoO 6.440 21.432Copper Cu 8.930 20.210Copper (I) Sulfide (alpha) Cu2S 5.600 12.800Copper (I) Sulfide (beta) Cu2S 5.800 13.180Copper (II) Sulfide CuS 4.600 10.770Dysprosium Dy 8.540 14.720Erbium Er 9.050 11.930Gadolinium Gd 7.890 13.180Gallium Ga 5.930 14.890Gallium Arsenide GaAs 5.310 5.
5、550Germanium Ge 5.350 17.110Gold Au 19.300 23.180Hafnium Hf 13.090 24.530Holnium Ho 8.800 15.200Indium In 7.300 10.500Indium Antimonide InSb 5.760 11.480Iridium Ir 22.400 68.450Iron Fe 7.860 25.300Lanthanum La 6.170 9.590Lead Pb 11.300 7.810Lead Flouride PbF2 8.240 13.359Lead Sulfide PbS 7.500 15.60
6、0Lead Telluride PbTe 8.160 13.564Lithium Li 0.530 1.500Lithium Bromicide LiBr 3.470 7.179Lithium Fluoride LiF 2.640 11.410Lithium Niobate LiNbO3 4.700 19.071Magnesium Mg 1.740 5.480Magnesium Fluoride MgF2 3.000 13.860Magnesium Oxide MgO 3.580 21.480Manganese Mn 7.200 23.420Manganese (II) Sulfide MnS
7、 3.990 9.390Manganese Oxide MnO 5.390 18.908Mercury Hg 13.460 11.930Molybdenum Mo 10.200 34.360Nickel Ni 8.910 26.680Niobium Nb 8.570 17.910Palladium Pd 12.000 24.730Platinum Pt 21.400 36.040Potassium K 0.860 0.867Potassium Bromide KBr 2.750 4.665Potassium Chloride KCl 1.980 4.310Potassium Iodide KI
8、 3.128 4.251Rhenium Re 21.040 58.870Rhodium Rh 12.410 42.050Rubidium Rb 1.530 3.476Ruthenium Ru 12.362 48.516Samarium Sm 7.540 9.920Scandium Sc 3.000 9.700Selenium Se 4.820 10.220Silicon Si 2.320 12.400Silicon (II) Oxide SiO 2.130 10.150Silicon Dioxide (fused quartz) SiO2 2.200 8.250Silver Ag 10.500
9、 16.690Silver Bromide AgBr 6.470 7.480Silver Chloride AgCl 5.560 6.690Sodium Na 0.970 1.840Sodium Chlorate NaClO3 2.164 5.642Sodium Chloride NaCl 2.170 5.620Sodium Flouride NaF 2.558 9.305Sodium Nitrate NaNO3 2.270 7.395Strontium Flouride SrF2 4.277 12.146Strontium Oxide SrO 4.990 17.079Sulphur S 2.
10、070 3.860Tantalum Ta 16.600 33.700Tantalum (IV) Oxide Ta2O5 8.200 29.430Tellurium Te 6.250 9.810Tellurium Oxide TeO2 5.990 10.244Terbium Tb 8.270 13.380Thallium Tl 11.850 5.700Thorium Th 11.694 18.244Thorium Dioxide ThO2 9.860 31.092Tin Sn 7.300 12.200Titanium Ti 4.500 14.060Titanium (IV) Oxide TiO2
11、 4.260 22.070Tungsten W 19.300 54.170Tungsten Carbide WC 15.600 58.480Uranium U 18.700 37.100Uranium Dioxide UO2 10.970 30.874Uranium Oxide U4O9 10.969 25.374Vanadium V 5.960 16.660Ytterbium Yb 6.980 7.810Yttrium Y 4.340 10.570Zinc Zn 7.040 17.180Zinc Oxide ZnO 5.610 15.880Zinc Selenide ZnSe 5.260 12.230Zinc Sulfide ZnS 4.090 11.390Zinc Telluride ZnTe 6.340 11.468Zirconium Zr 6.510 14.720Zirconium Carbide ZrC 6.730 33.447
