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ppm ³óµµ·ÎºÎÅÍ ±âü(gas)ÀÇ Áú·®(¥ìg/m^3) ±¸Çϱâ

ÀÛ¼ºÀÚ Uploader : cannon ÀÛ¼ºÀÏ Upload Date: 2022-04-09º¯°æÀÏ Update Date: 2022-04-09Á¶È¸¼ö View : 608

ppm Àº 1/10^6 À» ÀǹÌÇϹǷÎ, x (ppm) ÀÌ 1 (m^3) Áß¿¡ Â÷ÁöÇÏ´Â ºÎÇÇ Vx (liter) ´Â ´ÙÀ½°ú °°´Ù.

Vx = x/1000

Tx (¡É), Px (atm) »óÅÂÀÇ ±âü Vx (cm^3) ¸¦ Ç¥ÁØ»óÅÂÀÎ 0 (¡É), 1 (atm) »óÅÂÀÇ ºÎÇÇ Vs (liter) ·Î º¯È¯Çϸé, PV=nRT ·Î ºÎÅÍ,

Vs=nR(K+Ts)/Ps

Vx=nR(K+Tx)/Px

Vs = Vx*(K+Ts)*Px/(K+Tx)*Ps

Ts=0, Ps=1 ¸¦ ´ëÀÔÇϸé,

Vs = Vx*K*Px/(K+Tx)

ÀÌ µÈ´Ù. ¿©±â¼­, K ´Â Kelvin ¿Âµµ »ó¼ö(=273) ÀÌ´Ù.

Vs ¸¦ Ç¥ÁØ»óÅ ±âü 1 mol ÀÇ ºÎÇÇÀÎ Vstp (=22.4 liter) ·Î ³ª´©¸é ±âüÀÇ mol ¼ö°¡ µÈ´Ù.

Gmol = Vs/Vstp = Vx*K*Px/(Vstp*(K+Tx))

ÀÌ´Ù.

µû¶ó¼­, ±âüÀÇ Áú·® Gmass (g)´Â ±âüÀÇ ºÐÀÚ·®¿¡ ¸ô¼ö¸¦ °öÇؼ­ ±¸ÇÒ ¼ö ÀÖ´Ù.

Gmass = MW*Gmol = MW*Vx*K*Px/(Vstp*(K+Tx))

Áú·®ÀÇ ´ÜÀ§¸¦ (¥ìg)À¸·Î Ç¥½ÃÇϸé,

Gmass = MW*(x/1000)*K*Px/(Vstp*(K+Tx)) * 10^6
        = 1000*MW*x*K*Px/(Vstp*(K+Tx))

ÀÌ µÈ´Ù.

*** Âü°í¹®Çå[References] ***

Gmass = 1000*MW*x*K*Px/(Vstp*(K+Tx))
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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