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¿µÁøÄÚÆÛ·¹ÀÌ¼Ç Á¾ÇÕÄ«´Ù·Î±× |
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    - Tested with VELP Scientifica EMA 502 Elemental Analyzer (Code F30800100) |
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Introduction
ź¼Ò, ¼ö¼Ò, Áú¼Ò, Ȳ, »ê¼ÒÀÇ ¿ø¼Ò ºÐ¼® (CHNS-O ºÐ¼®) Àº ÀǾàÇ° ¹× ÈÇй°Áú »ý»ê °úÁ¤ÀÇ ´Ù¾çÇÑ ´Ü°è¿¡¼ Àû¿ëµË´Ï´Ù.
»ý»ê Àü¿¡´Â CHNS-O ºÐ¼®Àº ¿ø·á¿Í ½Ã¾àÀÇ ¼øµµ¸¦ È®ÀÎÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù.
ÀÌÈÄ, »ý»ê °úÁ¤ Àü¹Ý¿¡ °ÉÃÄ CHNS-O ºÐ¼®Àº °¢ ´Ü°è¿¡¼ Á¦Ç°ÀÇ ¼øµµ¸¦ È®ÀÎÇÏ¿© »ý»êÀ» öÀúÈ÷ °ü¸®ÇÏ°í Á¦Ç° Ç°ÁúÀ» ÀÔÁõÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù.
CHNS Determination in Pharmaceutical Products
CHNS ºÐ¼®Àº VELP ¿¬¼Ò·Î ³»ºÎ¿¡¼ »ùÇÃÀ» 1000¡ÆC ÀÌ»óÀÇ ¿Âµµ·Î ¿¬¼Ò½ÃÄÑ ¿ø¼Ò ÈÇÕ¹°À» ¾ò´Â °ÍÀ¸·Î ½ÃÀ۵˴ϴÙ.
NOx ¸¦ N©ü ·Î ȯ¿øÇÏ´Â µ¥ µµ¿òÀ» ÁÖ±â À§ÇØ, °íÈ°¼º ±¸¸® ºÐ¸»·Î ±¸¼ºµÈ VELP Vcopper¢â °¡ ¹ÝÀÀ±âÀÇ ÇÏ´Ü¿¡ ¹èÄ¡µË´Ï´Ù.
°¡½º È帧Àº °¡½º Å©·Î¸¶Åä±×·¡ÇÇ Ä÷³¿¡ µµ´ÞÇÑ ÈÄ, °¢ ¼ººÐÀÇ ´Ù¸¥ ü·ù ½Ã°£¿¡ µû¶ó ºÐ¸®µÈ »óÅ·ΠÄ÷³À» ºüÁ®³ª¿É´Ï´Ù.
ÂüÁ¶ °¡½º°¡ ÇÊ¿ä ¾ø´Â Çõ½ÅÀûÀÎ LoGas¢â ¿Àüµµµµ °ËÃâ±â (TCD) ´Â ¸ðµç °¡½º ¼ººÐÀ» °¨ÁöÇÒ ¼ö ÀÖ½À´Ï´Ù.
EMA 502´Â Á÷°üÀûÀÎ EMASoft¢â ¼ÒÇÁÆ®¿þ¾î¸¦ ÅëÇØ PC·Î Á¦¾îµÇ¸ç, ºÐ¼®Àº ¸î ºÐ ¾È¿¡ ¿Ï·áµË´Ï´Ù.
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Oxygen Determination in Pharmaceutical Products
»ùÇÃÀº ij¸®¾î °¡½º¿Í ÇÔ²² ¹ÝÀÀ±â·Î Àü´ÞµÇ¾î ¿ºÐÇØ°¡ ÀϾ´Ï´Ù.
»ùÇÃÀº °í¿Â(1000¡ÆC ÀÌ»ó)¿¡¼ ¿ø¼Ò ÈÇÕ¹°·Î º¯È¯µË´Ï´Ù.
¿ø¼Ò °¡½º¸¦ Æ÷ÇÔÇÑ Ä³¸®¾î °¡½º´Â ÈÇÐÀû Æ®·¦¿¡ µµ´ÞÇÏ¿© ¸ðµç ºÒ¼ø¹°ÀÌ Èí¼öµË´Ï´Ù.
°¡½º È帧Àº °¡½º Å©·Î¸¶Åä±×·¡ÇÇ Ä÷³À» °ÅÃÄ ¿Àüµµµµ °ËÃâ±â(TCD)¿¡ µµ´ÞÇϸç, TCD´Â »ê¼Ò¸¦ ÀÏ»êÈź¼Ò ÇüÅ·Π¸î ºÐ ³»¿¡ Á¤·®ÈÇÒ ¼ö ÀÖµµ·Ï ÇÕ´Ï´Ù.
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EMA 502 Preliminary Operations (daily)
¼³¸í¼¿¡ µû¶ó EMA 502ÀÇ Àü¿øÀ» ÄÑ°í ´ÙÀ½ parameter °¡ ¼³Á¤µÇ¾ú´ÂÁö È®ÀÎÇÕ´Ï´Ù.
- Temperature CHNS reactor (Code A00000443): 1030 ¡ÆC
- Temperature GC Column Oven: 55 ¡ÆC
- Flow rate MFC1 He: 120 ml/min
- Flow rate MFC2 He: 140 ml/min
EMA 502 ¸¦ ½ÃÀÛÇϱâ Àü¿¡ ¼³¸í¼¿¡ µû¶ó ´ÙÀ½ parameter °¡ ¼³Á¤µÇ¾ú´ÂÁö È®ÀÎÇÕ´Ï´Ù.
- Temperature O reactor (Code A00000444): 1060 ¡ÆC
- Temperature GC Column Oven: 55 ¡ÆC
- Flow rate MFC1 He: 140 ml/min
- Flow rate MFC2 He: 160 ml/min
CHNS ÃøÁ¤À» À§Çؼ´Â 2 °³ÀÇ Sulphanilic acid standards, ±×¸®°í Oxygen ÃøÁ¤À» À§Çؼ´Â 2 °³ÀÇ standard EDTA ¸¦ Å×½ºÆ®ÇÑ ÈÄ, ´Ù½Ã
Àåºñ Á¡°ËÀ» À§ÇØ ºó Tin Foils (Code A00000436) À» 2~3 ȸ Å×½ºÆ®ÇϽʽÿÀ.
Ç¥ÁØ Å×½ºÆ®·Î curve »ý¼º¿¡ »ç¿ëµÈ °Í°ú µ¿ÀÏÇÑ Ç¥ÁؽþàÀ» 1ȸ ÀÌ»ó ÃøÁ¤ÇÏ¿© calibration curve À» È®ÀÎÇÕ´Ï´Ù.
CHNS Analysis Procedure
Database ¿¡¼ Sample name, Weight, Method, Sample type, Calibration number µî Ç׸ñÀ» ÀÔ·ÂÇÑ ÈÄ
¼ÒÇÁÆ®¿þ¾î¿¡ ±âº»À¸·Î ÀúÀåµÇ¾î ÀÖ´Â Pharmaceutical method ¿¡¼ ´ÙÀ½°ú °°Àº parameter¸¦ ¼±ÅÃÇÕ´Ï´Ù.
- O2 flow rate : 400 ml/min
- O2 factor : 1.6 ml/mg
- Suggested weight : 2-4 mg
- Min Oxy volume: 10 ml
¹öÆ°À» ´·¯ ºÐ¼®À» ½ÃÀÛÇÕ´Ï´Ù.
ºÐ¼®À» 1ȸ ½ÇÇà ½Ã ¼Ò¿ä ½Ã°£Àº 12ºÐÀÔ´Ï´Ù.
Oxygen Analysis Procedure
Database ¿¡¼ Sample name, Weight, Method, Sample type, Calibration number µî Ç׸ñÀ» ÀÔ·ÂÇÕ´Ï´Ù.
- Method : Pyrolysis
¹öÆ°À» ´·¯ ºÐ¼®À» ½ÃÀÛÇÕ´Ï´Ù.
ºÐ¼®À» 1ȸ ½ÇÇà ½Ã ¼Ò¿ä ½Ã°£Àº 6ºÐÀÔ´Ï´Ù.
CHNS-O Results on Pharmaceutical Samples
CHNS Calibration : CHNS °á°ú´Â ÀÎÁõµÈ Ç¥ÁØ »ùÇÃÀÎ Sulphanilic acid (ÄÚµå A00000434, C% = 41.58, N% = 8.08, H% = 4.04, S% = 18.48) À» »ç¿ëÇÏ¿© »ý¼ºµÈ calibration °î¼± À» ÅëÇØ ¾ò¾úÀ¸¸ç,
0.5~5 mg ÀÇ Sulphanilic acid ¹üÀ§¸¦ »ç¿ëÇß½À´Ï´Ù.
Oxygen Calibration : »ê¼Ò °á°ú´Â Ç¥ÁØ EDTA (ÄÚµå A00000149, O% = 43.80) ¸¦ »ç¿ëÇÏ¿© »ý¼ºµÈ calibration curve À» ÅëÇØ ¾ò¾úÀ¸¸ç, 0.5 ~ 5 mg ¹üÀ§¸¦ »ç¿ëÇß½À´Ï´Ù.
¾Æ·¡ Ç¥´Â EMASoft¢â¸¦ »ç¿ëÇÏ¿© 2~4 mg ÀÇ »ùÇ÷Π¾ò¾îÁø %C, %N, %H, %O °ªÀ» º¸¿©ÁÝ´Ï´Ù.
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Table : the theoretical values reported were acquired from the literature; the average was calculated with a *n=3; the theoretical value for S% of all the samples is 0%,
the analysis with EMA 502 Elemental Analyzer CHNS-O confirm this value. Data not shown for clarity.
Conclusion
EMA 502 Micro Elemental Analyzer CHNS-O´Â ´Ù¾çÇÑ Á¦¾à »ùÇÃÀÇ Æ¯¼ºÀ» ºÐ¼®Çϱâ À§ÇØ Åº¼Ò, ¼ö¼Ò, Áú¼Ò, Ȳ, »ê¼Ò¸¦ Á¤¹ÐÇÏ°í ½Å·Ú¼º ÀÖ°Ô ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ¹Ì¼¼ ¿ø¼Ò ºÐ¼®±âÀÔ´Ï´Ù
½ÇÁ¦ »ùÇà ÃøÁ¤¿¡¼ RSD < 0.1% ÀÇ ÀçÇö¼º ³ôÀº °á°ú¸¦ º¸¿©ÁÖ¸ç ½Å·Ú¼ºÀÌ ÀÖ´Â ºÐ¼®±â¶ó´Â °ÍÀ» Áõ¸íÇÕ´Ï´Ù.
À̹ø Å×½ºÆ®¸¦ ÅëÇØ ¾ò¾îÁø °á°ú´Â ¶Ù¾î³ ÀçÇö¼ºÀ» º¸¿©ÁÖ¾úÀ¸¸ç, ´Ù¸¥ »ùÇ÷Πº¯°æÇÒ ¶§ memory effect °¡ °üÂûµÇÁö ¾Ê¾Æ ÃøÁ¤½Ã »ùÇÃÀÇ ¿ø¼Ò ÇÔ·®ÀÌ ¿ÏÀüÈ÷ °ËÃâµÇ¾úÀ½À» ³ªÅ¸³À´Ï´Ù.
EMASoft¢â ¼ÒÇÁÆ®¿þ¾î´Â EMA 502 ¿ø¼Ò ºÐ¼®±â¸¦ Á¦¾îÇÏ°í ÀÛµ¿½ÃÅ°´Â °·ÂÇÑ VELP ¼Ö·ç¼ÇÀ¸·Î, Á÷°üÀûÀÎ »ç¿ëÀÚ ÀÎÅÍÆäÀ̽º¸¦ Á¦°øÇÏ¿© °á°ú, µ¥ÀÌÅͺ£À̽º,
±â±â ÀÛµ¿ Á¶°Ç°ú °°Àº ¸ðµç °ü·Ã Á¤º¸¸¦ ÇÑ´«¿¡ Ç¥½ÃÇÕ´Ï´Ù.
EMASoft¢â´Â pre-installed method ¶óÀ̺귯¸®¿¡¼ ¼±ÅÃÇϰųª »ç¿ëÀÚ Á¤ÀÇ method ¸¦ »ý¼ºÇÒ ¼ö ÀÖ´Â ±â´ÉÀ» Á¦°øÇÕ´Ï´Ù.
¸ðµç ¿ø¼Ò¿¡ ´ëÇÑ ½¬¿î Calibration Curve »ý¼ºÀÌ °¡´ÉÇϸç, memory effect ¾øÀÌ ¾î¶² »ùÇà ¸ÅÆ®¸¯½ºµµ Å×½ºÆ®ÇÒ ¼ö ÀÖ½À´Ï´Ù.
VELP EMA 502 CHNS-O elemental analyzer ÀÇ ÀåÁ¡
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