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  mg/m©ø À» ppmÀ¸·Î ȯ»êÇÒ¶§.. (±âüÀÇ °æ¿ì)
  ±Û¾´ÀÌ : ¶ÊÀÌ   °íÀ¯ID : landscape11     ³¯Â¥ : 07-07-02 03:22     Á¶È¸ : 11341    
ppm = (mg/m©ø) * (22.4/M) * (T/273) * (1/P) ¶ó´Â °ø½ÄÀ» »ç¿ëÇÏ´øµ¥
 
¿Ö ÀÌ·±°ÍµéÀ» »ç¿ëÇؼ­ ȯ»êÀ» ÇÏ´ÂÁö À¯µµ ºÎŹµå¸³´Ï´Ù..
 
°øºÎÇϴµ¥ ÀÌÇØ°¡ °¡Áú ¾Ê³×¿ä ¤Ð¤Ð

½ºÅ×Æijë Stefano   07-07-02 05:47
(0)¾Æ¸¶µµ ȯ°æºÐ¾ß¿¡¼­ »ç¿ëÇÏ´Â ±³Àç°¡ ´ëºÎºÐ ÀÌ·±½ÄÀ» »ç¿ëÇÏ°í ÀÖÁö ¾Ê³ª »ý°¢µË´Ï´Ù¸¸ ÀÌ·¸µí ´Ü¼øÈ÷ °ø½Ä¸¸ ½áµÐ ±³À縦 »ç¿ëÇÏ´Â °æ¿ì ±³¼ö´Ô¿¡°Ô Áú¹®Çϰųª ±³À縦 ¹Ù²Ùµµ·Ï ¿äûÇϼ¼¿ä.
(1) ppmÀÇ °æ¿ì¿¡µµ ½¢ÇÏ°Ô vol ppmÀÎÁö wt ppmÀÎÁö ±¸ºÐÇØ ÁÖ¾î¾ß ÇÑ´Ù°í Çصµ ±×³É »ç¿ëÇÏ°í ÀÖ³ªº¾´Ï´Ù.

 Áú¹®¿¡¼­ »ç¿ëÇÏ°í ÀÖ´Â ¼ö½ÄÀº Àý´ë¿Âµµ T¿Í ¾Ð·Â P»óÅÂÀÇ ±âü³»¿¡ ºÐÀÚ·® MÀÎ ¹°ÁúÀÇ ¼ººÐ ³óµµ¸¦ volume ȤÀº mol ppmÀ¸·Î ³ªÅ¸³»·Á´Â °Í °°¾Æº¸À̹ǷΠ¼ø¼­´ë·Î ¾Ë¾Æº¸°Ú½À´Ï´Ù.

(2) ¿ì¼± mgÀ¸·Î ³ªÅ¸³½ ±× ¼ººÐÀÇ ¹«°Ôw ¸¦ ¸ô¼ö·Î ³ªÅ¸³»·Á¸é ºÐÀÚ·®À¸·Î ³ª´©¸éµÇ°í n mg-moleÀÌ µË´Ï´Ù.
n (mg-mole)= w(mg)/M(mg/mg-mole)....(1)

¶Ç ¿Âµµ T, ¾Ð·Â P¿¡¼­ÀÇ 1 m3À» Ç¥ÁØ»óÅÂÀÇ ºÎÇÇ·Î °íÄ¡¸é

PoVo/To = PV/T  ÀÓÀº ÀÌ»ó±âüÀÇ ¹ýÄ¢À» µû¸¦ ¶§ Ç¥ÁØ»óÅÂ(To,Po)¿¡¼­ÀÇ ºÎÇÇ Vo¸¦ ±¸Çϴµ¥ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.

Áï Vo = V * (To/T)*(P/Po)....Po=1atm, To=273.15KÀÔ´Ï´Ù...........(2)

Ç¥ÁØ»óÅ¿¡¼­ÀÇ 1g-mole ºÎÇÇ = 22.414 Nm3
T, P¿¡¼­ÀÇ ºÎÇÇ 1 m3À» Ç¥ÁØ»óÅ¿¡¼­ÀÇ ºÎÇÇ Nm3·Î °íÄ¡¸é = 1 m3 * (273.15 K/T K)*(P atm/1 atm)*(1 Nm3/m3)....(3)
¸ðµç ±âü 1 kg-moleÀº 22.414 Nm3ÀÇ ºÎÇǸ¦ ³ªÅ¸³»¹Ç·Î (3)½ÄÀ¸·Î ±¸ÇÑ ºÎÇǸ¦ 22.4 Nm3/kg-mole·Î ³ª´©¸é kg-moleÀÌ ¾ò¾îÁý´Ï´Ù.

°¡½º 1 m3ÀÇ ¸ô¼ö = m kg-mole = (1/22.414) *(273.15/T)*(P).........(4)   

(3)µû¶ó¼­ ³óµµ´Â (1)½ÄÀ¸·Î ³ª´« ¸ô¼ö¸¦ (4)½ÄÀ¸·Î ³ª´« ÀüüÀÇ ¸ô¼ö·Î ³ª´©¸é µË´Ï´Ù.

 n/m = (w/M) mg-mole/((1/22.4)*(273.15/T)*(P) )kg-mole = (w/M)*(22.414)*(T/273.15)*(1/P) g-mole/kg-mole
= (w/M)*(22.414)*(T/273.15)*(1/P) *(1/1,000,000)(mole/mole)
= (w/M)*(22.414)*(T/273.15)*(1/P) mole-ppm
   

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