![](http://www.scinco.com/kor/letter/news_100531/img/result&discussion.gif)
SC-1 ¿ë¾×ÀÇ CalibrationÀ» À§ÇÏ¿©, °¢°¢ÀÇ Ç¥ÁØ¿ë¾×Àº NH4OH ¿ë¾×À» 0 - 4.6% ¹üÀ§ »çÀÌ·Î ³Ö¾úÀ¸¸ç, H2O2µµ °°Àº ³óµµ ¹üÀ§·Î ³Ö¾ú´Ù. ÀÌ ¿ë¾×ÀÇ ´ëºÎºÐ (¾à 91.5% - 100%)Àº ÃÊ°í¼øµµÀÇ DI Water·Î ±¸¼ºµÇ¾ú´Ù. °¢°¢ÀÇ Ç¥ÁØ»ùÇõéÀº Air background·Î 4¹ø¾¿ ÃøÁ¤µÇ¾úÀ¸¸ç, ÀÌ´Â Figure3¿¡¼ º¸´Â °Í°ú °°ÀÌ ¸ðµÎ °ãÃÄÁ®¼ °¢°¢ÀÇ Â÷À̸¦ °ÅÀÇ ±¸º°ÇÒ ¼ö ¾ø´Ù. ÇÏÁö¸¸ ÀÚ¼¼È÷ µé¿©´Ù º¸¸é °¢°¢ÀÇ ³óµµ Â÷¿¡ µû¶ó Spectrum¿¡ ¹Ì¼¼ÇÑ Â÷ÀÌ°¡ ³ªÅ¸³ª´Â °ÍÀ» °üÂûÇÒ ¼ö ÀÖ´Ù(Figure4).
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img4.gif)
[Figure3. Raw SC-1 spectra collected with an air reference]
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img5.gif)
[Figure4. Zoomed view of the spectral peak region for
SC-1 raw spectra]
¿øº» SpectrumÀ» º¸¸é, 1300nm - 1650nmÀÇ ¹üÀ§¿¡¼ °Ë·®°î¼±À» ±×¸®±â À§ÇØ ÀûÇÕÇÏ´Ù´Â °ÍÀ» ¾Ë ¼ö Àִµ¥, À̸¦ 1Â÷ ¹ÌºÐÇÏ°Ô µÇ¸é ½ºÆåÆ®·³ÀÇ Â÷À̸¦ ´õ¿í È®¿¬È÷ È®ÀÎÇÒ ¼ö ÀÖÀ¸¹Ç·Î SpectrumÀÇ 1Â÷ ¹ÌºÐÀÌ ¸Å¿ì È¿À²ÀûÀ¸·Î »ç¿ëµÈ´Ù(Figure5).
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img6.gif)
[Figure5. First derivatives of SC-1 calibration spectra]
Chemometric Software¸¦ ÀÌ¿ëÇÏ¿© SC-1 Solution ³»¿¡ µé¾îÀÖ´Â 3°¡ÁöÀÇ ÈÇй°Áúµé¿¡ ´ëÇØ °Ë·®°î¼±À» ±×¸°´Ù. Figure5-7±îÁö°¡ NH4OH, % H2O2, %Water¿¡ ´ëÇÑ °Ë·®°î¼±À» È®ÀÎÇÒ ¼ö ÀÖ´Ù. °á°ú°ª°ú ¿¹ÃøÄ¡ÀÇ ³óµµ¸¦ ºñ±³ÇØ º¸¸é ¸ðµç °á°ú´Â ½ÇÇè¿¡ »ç¿ëÇϱ⠸ſì ÀûÇÕÇÑ °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù.
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img7.gif)
[Figure6. Measured vs. predicted results for
%NH4OH in SC-1 cleaning]
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img8.gif)
[Figure7. Measured vs. predicted results for
% H2O2 in SC-1 cleaning]
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img9.gif)
[Figure8. Measure vs. predicted results for % Water in SC-1 solution]
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img10.gif)
[Table2. Prediction summary for varied mixture SC-1 solutions]
³ª¸ÓÁö ´Ù¸¥ BathµéÀÇ ¿ë¾×µµ °°Àº ¹æ¹ýÀ¸·Î °Ë·®°î¼±À» ±×¸®°í ½ÇÇè¿¡ ÀÓÇÏ¿´À¸¸ç, °Ë·®°î¼± °ªÀº ½ÇÇèÀ» Çϱ⿡ ¸Å¿ì ÀûÇÕÇÏ°Ô ³ª¿Ô´Ù.
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img11.gif)
[Figure9. HF:H2O Spectra]
![](http://www.scinco.com/kor/letter/news_100531/img/subtt8_img12.gif)
[Figure10. HF Prediction in PLS calibration set]
![](http://www.scinco.com/kor/letter/news_100531/img/conclusion.gif)
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