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�몺 痢≪젙�븷 �닔 �엳�뒗 p H踰붿쐞媛� �꼻怨�
�몼 �뵾 痢≪젙 �슜�븸�씠 李⑹깋�릺�뼱 �엳嫄곕굹, �쁽�긽�븳 肄쒕줈�씠�뱶 �긽�깭�씪�룄 �긽愿��씠 �뾾�쑝硫�
�몾 洹뱁엳 �냼�삎�쓽 �듉�듉�븳 �쑀由ъ쟾洹뱀씠 媛쒕컻�릺�뿀�쑝誘�濡� �깮泥� �궡 議곗쭅�쓽 p H �벑�룄 痢≪젙�븷 �닔 �엳�떎.
�삉�븳 理쒓렐�뿉�뒗 �닔�냼�씠�삩�뿉 �쓳�떟�븯�뒗 寃� �씠�쇅�뿉 �굹�듃瑜⑥씠�삩�씠�굹 由ы뒳�씠�삩 �벑�뿉 �듅�씠�쟻 �꽑�깮�꽦�쓣 媛�吏� �쑀由ъ쟾洹밸룄 �떎�슜�솕�릺怨� �엳�떎.�뼠
4. pH Calibration
�뼠pH �몴以��슜�븸
• pH 4.00 (25�꼦): Potassium hydrogen phthalate 10.21 g/l
• pH 6.86 (25�꼦): Potassium dihydrogen phosphate 3.4 g + sodium phosphate 3.55 g/l
�뼠 �삩�룄�뿉 �뵲瑜� pH�쓽 蹂��솕 (Metrohm Buffer)
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