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Analysis of Trace Impurities in The Bulk H2 and He Gases by a Cold Concentration Method

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ÀÌÅÃÈ« ( Lee Taeck-Hong ) - Daesung Sanso Co., Ltd. Daesung Cryogenic Research Institute
¹ÚµÎ¼± ( Park Doo-Seon ) - Daesung Sanso Co., Ltd. Daesung Cryogenic Research Institute
¼Õ¹«¿ë ( Son Moo-Ryong ) - Daesung Sanso Co., Ltd. Daesung Cryogenic Research Institute

Abstract

°¡½ººÐ¼®¿¡¼­ ±Ø¹Ì·® ¼ººÐºÐ¼®Àº ¹ÝµµÃ¼ °ü·Ã »ê¾÷ÀÇ ¹ß´Þ°ú ´õºÒ¾î ¸Å¿ì Áß¿äÇÏ´Ù. ƯÈ÷ ¹ÝµµÃ¼ »ý»ê¼³ºñ Áß °¡½º°ø±Þ½Ã½ºÅÛÀÇ °ø±â¼ººÐ¿¡ ÀÇÇÑ ¿À¿°Àº Á¦Á¶ÀÚ¿¡°Ô ¾î·Á¿òÀ» Á¦°øÇØ ¿Ô´Ù. ±×·¡¼­ °ø±â¼ººÐÀÇ ºÐ¼®Àº ¹ÝµµÃ¼ÀÇ Ç°ÁúÁ¶Àý¿¡ ¸Å¿ì Áß¿äÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â °¡½ººÐ¼®¿¡¼­ ¹ü¿ëÀ¸·Î »ç¿ëµÇ´Â ¿­Àüµµµµ °ËÃâ±â¸¦ ÀåÂøÇÑ °¡½ºÅ©·Î¸¶Åä±×·¡ÇÁ¿Í ¾×üÁú¼ÒÆ®·¦À» ÀÌ¿ëÇÏ¿© Çï·ý°ú ¼ö¼Ò ÁßÀÇ Áú¼Ò¿Í ¾Æ¸£°ï¼ººÐÀ» ºÐ¼®ÇÏ¿´´Ù. ³óÃà¹ýÀ¸·Î °áÁ¤µÈ ¹ÌÁö ½Ã·áÀÇ ³óµµ¸¦ ´Ù¸¥ Á¾·ùÀÇ °ËÃâ±â¿Í ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ÀÌ ¹æ¹ý¿¡ ÀÇÇØ¼­ °áÁ¤µÈ ³óµµ´Â °áÁ¤µÈ È®ÀåºÒÈ®µµ ¹üÀ§ ³»¿¡¼­ ¸¸Á·ÇÒ ¸¸ÇÑ °á°ú¸¦ º¸¿© ÁÖ¾ú´Ù.

Analysis of trace impurities in the gases has been very important with the development of semi-conductor related industry. Particularly, the contamination of the gas handling systems in a semi-conductor plant by the air has been a trouble to the manufacturers. Thus, the analysis of the air components in the system has been a task to the analysts. In this study, we report the analysis data with a expanded uncertainty for the trace impurities of nitrogen and argon in the bulk helium and hydrogen. All data show a good correspondence, exhibiting reliable statistical error ranges.

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