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> ±â¼úÀÚ·á½Ç > ±â¼úÀÚ·á½Ç |
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ÀÛ¼ºÀÏ : 11-10-31 13:17
°ú»êȼö¼Ò°¡ À̿±³È¯¼öÁö¿¡ ¹ÌÄ¡´Â ¿µÇâ
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±Û¾´ÀÌ :
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Á¶È¸ : 13,676
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°ú»êȼö¼Ò°¡ À̿±³È¯¼öÁö¿¡ ¹ÌÄ¡´Â ¿µÇâ
1.À̿±³È¯¼öÁö¸¦ »êÈ ½ÃÅ´
2.¼±Åñ⸦ ¶³¾î¶ß·Á ¼öÁú¾ÇÈ
3.¿Âµµº° ÃÖ´ë Çã¿ë·®
5¡É ------ 0.6ppm
10¡É ------ 0.4ppm
15-20¡É ------ 0.2ppm
25¡É ------ 0.1ppm
4.°ú»êȼö¼Ò 󸮹æ¹ý
3-1.È°¼ºÅº
3-2. ȯ¿øÁ¦ Na2SO3 & NaHSO3
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