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  Àú¹ø¿¡ ±â±âºÐ¼®¿¡ ´ëÇÑÁú¹®Àε¥ Ç®¾î º¸°í Áú¹®µéÀÔ´Ï´Ù^^
  ±Û¾´ÀÌ : ´Ù½ÃÁú¹®   °íÀ¯ID : ´Ù½ÃÁú¹®     ³¯Â¥ : 00-00-00 00:00     Á¶È¸ : 9735    
1>³óµµ1mg/100ml ÀÎ Fe(SCN)2+ ¿ë¾×ÀÇ Åõ±¤µµ´Â ÆÄÀå 480 nm ¿¡ 70.5%À̾ú´Ù. °°Àº ÆÄÀå¿¡¼­ À̺¸´Ù 4¹è ÁøÇÑ ¿ë¾×ÀÇ Èí±¤µµ¸¦ °è»êÇÏ¿©¶ó..
2>ºÐÀÚ·®ÀÌ140ÀÎ ¾î¶² È­ÇÕ¹°ÀÇ¤Ó 2.0ppm¿ë¾×À» 1.00cm¼¿¿¡ ³Ö¾î 560nm¿¡¼­ÃøÁ¤ÇÑ Åõ±¤µµ´Â 65.4%À̾ú´Ù.560nm¿¡¼­ÀÌ ÀÌÈ­ÇÐÁ¾ÀÇ ¸ôÈí±¤ °è¼ö´Â?

À̹®Á¦ÀÔ´Ï´Ù..1¹øÀº Ç®À̹æ¹ýÀ»¾Ë·ÁÁ༭ Ç®¾ú½À´Ï´Ù..
¸ôÈí±¤µµ=(log1/0.705)/(1*1g/l)=0.15
A=0.15*1*1*4=0.6 ..ÀÌ·¸°Ô ³ª¿Ô´Âµ¥..¸Â³ª¿ä???
±×¸®°í 2¹øÀº Á¦°¡ Ç®¾îºÃ´Âµ¥ A=abc=log1/TÀÌ ½ÄÀ» ÀÌ¿ëÇؼ­ T=0.654,À̹ǷΠlog1/0.645=0.19 ,b=1 ,c=0.000002, ·Î ÇÏ°í °è»êÇϴ°Š¸Â³ª¿ä???

^^ ^^   39-08-02 00:00
Á¤¸»°¨»çÇÕ´Ï´Ù.. ±âÃÊ°¡ ºÎÁ·Çѵ¥ ÀÚ¼¼ÀÌ ¾Ë·ÁÁּż­ Á¦°ÍÀ¸·Î ¸¸µé¼öÀִ°Ű°½À´Ï´Ù.. ¿­½ÉÈ÷ Çؼ­ Áú¹®¾øÀÌ È¥ÀÚ ÇØ°áÇÒ³¯±îÁö ¿­½ÉÈ÷ ÇØ¾ß °Ú¾î¿ä^^
Stefano Stefano   39-08-02 00:00
¿ì¼± ´ä±ÛÁ༭ °í¸¿½À´Ï´Ù. ´ä±ÛÀ» ¹Þ¾Æº¸¸é Àǹ®ÀÌ Ç®·È´ÂÁö ¾ÈÇ®·È´ÂÁö ¾Ë ¼ö À־ ±Ã±ÝÁõÀÌ Çؼҵ˴ϴÙ. 

(1) ù¹ø° ¹®Á¦´Â "¸ô Èí±¤µµ"°¡ ¾Æ´Ï¶ó ±×³É "Èí±¤µµ"¶ó¾ß ¸ÂÁö¿ä.
* Èí±¤µµ, A=log(1/Åõ±¤µµ)=log(1/0.705)=0.1518

* ±âÁسóµµÀÇ Èí±¤µµ Ao=a*b*c=0.1518
* 4¹èÁøÇÑ ³óµµÀÇ Èí±¤µµ A4=a*b*(4c)=0.6072         

(2)µÎ¹ø° ¹®Á¦ÀÇ ¸ôÈí±¤°è¼ö ±¸Çϱâ

*Åõ±¤µµ T = 0.654 ==> Èí±¤µµ A=log(1/T) = 0.1844
* A= a * b * c ¿¡¼­ a°ªÀ» ±¸ÇÏ¿© 1/cm-M ´ÜÀ§·Î ³ªÅ¸³»¸é "¸ôÈí±¤°è¼ö"°¡ µÊ
  ¿©±â¼­
b=1cm,
A=0.1844(´ÜÀ§¾øÀ½)...Á¶±ÝÀü¿¡ ±¸ÇÑ °ª
c=M (¸ô³óµµ)

À̵é·ÎºÎÅÍ
a=A/(b*c)¸¦ ±¸Çϸé "¸ôÈí±¤°è¼ö"°¡ µË´Ï´Ù. 
(´Ü, 1/cm-M ´ÜÀ§·Î ³ªÅ¸³»¾ß ÇÑ´Ù.)

¸¶Áö¸·¿¡ ³óµµ°è»êÀÌ Æ²·È½À´Ï´Ù. 
(ÈùÆ®·Î 2/140 m-MÀ̶ó°í ¾Ë·ÁÁÖ¾î¾ú´Âµ¥...)

2 wt ppm (ppm À̶ó°í¸¸ ÇÏ¸é ¾ÈµË´Ï´Ù.)ÀÇ ³óµµ¸¦ M ³óµµ (¸ô³óµµ)·Î °è»êÇØ¾ß ÇÕ´Ï´Ù.

¾ö¹ÐÇÏ°Ô´Â ¿ë¾×ÀÇ ¹Ðµµ¸¦ ¾Ë¾Æ¾ß ÇÏÁö¸¸ ¾ÆÁÖ ¹±Àº ¿ë¾×À̹ǷΠ¹°ÀÇ ¹Ðµµ´Â 1g/cc(=1000g/L)¶ó°í °¡Á¤ÇÕ´Ï´Ù. 

¹° 1LÁß¿¡ ¾î´À¹°Áú ¸î g-molÀÌ µé¾îÀִ°¡¸¦ ¾Ë¸é µË´Ï´Ù.

¹° 1L(=1000g)Áß¿¡ µé¾îÀÖ´Â È­ÇÕ¹°ÀÇ ·®, g/L
= 1000 g/L * 2 wt ppm = 1000 g/L * 2* (1/10^6))
= 0.002 g/L
= 0.002 g/L / (140 g/g-mol)
= 0.000 014 29 g-mol/L
= 0.000 014 29 M  (= 0.014 29 m-M = 2/140 m-M)

¿©±â¼­ (140 g/g-mole)Àº ºÐÀÚ·®ÀÇ ´ÜÀ§ÀÔ´Ï´Ù
¶Ç g-mol/L´Â M(=¸ô³óµµ)ÀÇ ´ÜÀ§ÀÔ´Ï´Ù.

µû¶ó¼­
¸ôÈí±¤°è¼ö, a = A/(b*c)
= 0.1844/(1*0.000 014 29)
= 12,904 (1/cm-M)  (= 12.904 1/cm-mM)

ÀÌ °ªÀÌ ¸Â´Â´äÀÔ´Ï´Ù.

**ÁÖÀÇ**
c¸¦ Áß·®ºÐ·ü·Î ³ªÅ¸³»¸é ¸ôÈí±¤°è¼ö°¡ ¾Æ´ÏÁö¿ä
±×·±´ÜÀ§°¡ ¾²ÀÌ´ÂÁö ¸ð¸£°ÚÀ¸³ª
c¸¦ 0.000 002·Î °è»êÇÏ¸é ¾Æ¸¶µµ"Áß·®ºÐ·üÈí±¤°è¼ö"
¸¦ ¾ò°ÔµÇ´Â ¼ÀÀÔ´Ï´Ù.
   

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