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§¥§Ñ§ä§é§Ú§Ü pH §ã§ä§à§é§ß§í§ç §Ó§à§Õ ¡ª §ï§ä§à §ã§á§Ö§è§Ú§Ñ§Ý§Ú§Ù§Ú§â§à§Ó§Ñ§ß§ß§í§Û §ã§Ö§ß§ã§à§â, §Ú§Ù§Þ§Ö§â§ñ§ð§ë§Ú§Û §Ü§à§ß§è§Ö§ß§ä§â§Ñ§è§Ú§ð §Ú§à§ß§à§Ó §Ó§à§Õ§à§â§à§Õ§Ñ §Ó §â§Ñ§ã§ä§Ó§à§â§Ö §Ú §å§Ü§Ñ§Ù§í§Ó§Ñ§ð§ë§Ú§Û §ß§Ñ §Ö§Ô§à §Ü§Ú§ã§Ý§à§ä§ß§à§ã§ä§î, §ß§Ö§Û§ä§â§Ñ§Ý§î§ß§à§ã§ä§î §Ú§Ý§Ú §ë§Ö§Ý§à§é§ß§à§ã§ä§î. §¥§Ñ§ä§é§Ú§Ü §ã§à§ã§ä§à§Ú§ä §Ú§Ù §ã§ä§Ö§Ü§Ý§ñ§ß§ß§à§Ô§à §ï§Ý§Ö§Ü§ä§â§à§Õ§Ñ, §Ü§à§ä§à§â§í§Û §â§Ö§Ñ§Ô§Ú§â§å§Ö§ä §ß§Ñ §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ pH, §Ô§Ö§ß§Ö§â§Ú§â§å§ñ §ã§Ú§Ô§ß§Ñ§Ý, §á§â§à§á§à§â§è§Ú§à§ß§Ñ§Ý§î§ß§í§Û §Ñ§Ü§ä§Ú§Ó§ß§à§ã§ä§Ú §Ú§à§ß§à§Ó §Ó§à§Õ§à§â§à§Õ§Ñ. §¿§ä§à§ä §ã§Ú§Ô§ß§Ñ§Ý §Ù§Ñ§ä§Ö§Þ §á§Ö§â§Ö§Õ§Ñ§Ö§ä§ã§ñ §Ó §ã§Ú§ã§ä§Ö§Þ§å §Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ §Ú§Ý§Ú §á§Ñ§ß§Ö§Ý§î §å§á§â§Ñ§Ó§Ý§Ö§ß§Ú§ñ, §Ô§Õ§Ö §à§ä§à§Ò§â§Ñ§Ø§Ñ§Ö§ä§ã§ñ §Ó §â§Ö§Ø§Ú§Þ§Ö §â§Ö§Ñ§Ý§î§ß§à§Ô§à §Ó§â§Ö§Þ§Ö§ß§Ú §Õ§Ý§ñ §Ñ§ß§Ñ§Ý§Ú§Ù§Ñ §à§á§Ö§â§Ñ§ä§à§â§Ñ§Þ§Ú.
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