常见材料的密度

常用资料

一、常见材料密度表
表1 常见材料密度
材料material 密度density [(kg/m3]
空气air(20℃,1atm) 1.205
空气air(0℃,1atm) 1.29
铝aluminum 2700
苯benzene 870
血液blood 1035
骨bone 1900
二氧化碳(气态)carbon dioxide, gas, +25 °C 1.799
二氧化碳(固态)carbon dioxide, solid, −78 °C 1562
铜copper 8960
corn starch, loosely packed 540
corn starch, tightly packed 630
corn syrup 1,380
柴油diesel 800
formaldehyde 1,130
freon 12, liquid 1,311
freon 12, vapor 36.83
gasoline 803
glycerine 1,260
gold 19,300
grain, barley 620
grain, corn, shelled 720
grain, corn, ear 900
grain, flax 770
grain, millet 640
grain, oats 410
grain, rice, rough 580
grain, rice, hulled 750
grain, rye 720
grain, wheat 770
helium, gas, ~300 K 0.164
helium, liquid, 4 K 147
hydrogen (H2), gas, 300 K 0.082
hydrogen (H2), liquid, 17 K 71
honey 1,420
iron 7,870
iridium 22,400
kerosene 810
lard 919
lead 11,350
lithium 534
lithium 6 deuteride 820
lungs 400
mayonnaise, traditional 910
mayonnaise, light 1,000
methane, gas, +25 °C 0.656
methane, liquid, −90 °C 162
milk, cow, heavy cream 994
milk, cow, light cream 1,012
milk, cow, whole 1,030
milk, cow, skim 1,033
mercury 13,594
monosodium glutamate 1,620
nickel 8,900
nitrogen (N2), gas, ~300 K 1.145
nitrogen (N2), liquid, 74 K 808
oil, vegetable, coconut 924
oil, vegetable, corn 922
oil, vegetable, olive 918
oil, vegetable, palm 915
oil, vegetable, peanut 914
oil, vegetable, soya 927
osmium 22,500
oxygen (O2), gas, ~300 K 1.308
oxygen (O2), liquid, 87 K 1,155
perchlorethylene 1,600
platinum 21,450
plutonium, α 19,860
salt (sodium chloride) 2,165
silicon 2,330
silicon dioxide (quartz) 2,600
silicone 993
silver 10,490
skin 1,050
sodium bicarbonate 2,200
sugar, sucrose 1,550
titanium 4,500
tungsten 19,300
tungsten carbide (WC) 15,630
uranium 19,050
water, liquid, 100 °C 958.40
water, liquid, 50 °C 988.03
water, liquid, 30 °C 995.65
water, liquid, 20 °C 998.21
water, liquid, 10 °C 999.70
water, liquid, 3.984 °C 999.972
water, liquid, 0 °C 999.84
water, ice, 0 °C 916
water, ice, −50 °C 922
water, ice, −100 °C 927
water, sea 1,025
water, saline (0.9 % NaCl) 1,004
zinc 7,140
二、天体的平均密度
表2 一些天体的密度
天体 密度density [(kg/m3]
earth, average () 5,500
earth, core 12,500
terrestrial planets (,,) 3,900~5,200
jovian planets (,,,) 600~1,600
pluto () 1,900
comets ~600
sun, average () 1,400
sun, core 153,000
main sequence stars 5~5,000
giant to supergiant stars 10−4~10−6
white dwarf star 105~109
neutron star 1017~1018
stellar mass black hole ~1018
supermassive black hole ~107
observable universe ~10−26

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