Rika Sensor ¡ª §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î §Õ§Ñ§ä§é§Ú§Ü§à§Ó §á§à§Ô§à§Õ§í §Ú §á§à§ã§ä§Ñ§Ó§ë§Ú§Ü §â§Ö§ê§Ö§ß§Ú§Û §Õ§Ý§ñ §Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ §à§Ü§â§å§Ø§Ñ§ð§ë§Ö§Û §ã§â§Ö§Õ§í §ã §Ò§à§Ý§Ö§Ö §é§Ö§Þ 10-§Ý§Ö§ä§ß§Ú§Þ §à§á§í§ä§à§Þ §â§Ñ§Ò§à§ä§í §Ó §à§ä§â§Ñ§ã§Ý§Ú.
§¬§Ñ§Ü §à§ä§Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ñ§ä§î §Õ§Ñ§ä§é§Ú§Ü pH §Õ§Ý§ñ §á§à§Ý§å§é§Ö§ß§Ú§ñ §ä§à§é§ß§í§ç §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Û?
§¬§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ pH §Ú§Þ§Ö§Ö§ä §â§Ö§ê§Ñ§ð§ë§Ö§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö §Õ§Ý§ñ §á§à§Ý§å§é§Ö§ß§Ú§ñ §ä§à§é§ß§í§ç §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Û §Ó §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §à§Ò§Ý§Ñ§ã§ä§ñ§ç §á§â§Ú§Þ§Ö§ß§Ö§ß§Ú§ñ, §à§ä §Ý§Ñ§Ò§à§â§Ñ§ä§à§â§ß§í§ç §ï§Ü§ã§á§Ö§â§Ú§Þ§Ö§ß§ä§à§Ó §Õ§à §á§â§à§Þ§í§ê§Ý§Ö§ß§ß§í§ç §á§â§à§è§Ö§ã§ã§à§Ó. §¥§Ñ§ä§é§Ú§Ü pH §Ú§Ù§Þ§Ö§â§ñ§Ö§ä §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, §å§Ü§Ñ§Ù§í§Ó§Ñ§ñ, §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §Ý§Ú §à§ß §Ü§Ú§ã§Ý§í§Þ, §ß§Ö§Û§ä§â§Ñ§Ý§î§ß§í§Þ §Ú§Ý§Ú §ë§Ö§Ý§à§é§ß§í§Þ. §¥§Ý§ñ §à§Ò§Ö§ã§á§Ö§é§Ö§ß§Ú§ñ §ß§Ñ§Õ§Ö§Ø§ß§í§ç §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§à§Ó §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §â§Ö§Ô§å§Ý§ñ§â§ß§à §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ñ§ä§î §Õ§Ñ§ä§é§Ú§Ü pH. §£ §ï§ä§à§Û §ã§ä§Ñ§ä§î§Ö §Þ§í §ê§Ñ§Ô §Ù§Ñ §ê§Ñ§Ô§à§Þ §â§Ñ§ã§ã§Ü§Ñ§Ø§Ö§Þ §Ó§Ñ§Þ §à §á§â§à§è§Ö§ã§ã§Ö §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Õ§Ñ§ä§é§Ú§Ü§Ñ pH.
§±§à§ß§Ú§Þ§Ñ§ß§Ú§Ö §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú pH
§±§â§Ö§Ø§Õ§Ö §é§Ö§Þ §á§Ö§â§Ö§Û§ä§Ú §Ü §á§â§à§è§Ö§ã§ã§å §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú, §Õ§Ñ§Ó§Ñ§Û§ä§Ö §ã§ß§Ñ§é§Ñ§Ý§Ñ §â§Ñ§Ù§Ò§Ö§â§Ö§Þ§ã§ñ §Ó §à§ã§ß§à§Ó§Ñ§ç §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú pH. §º§Ü§Ñ§Ý§Ñ pH §Ó§Ñ§â§î§Ú§â§å§Ö§ä§ã§ñ §à§ä 0 §Õ§à 14, §Ô§Õ§Ö 7 ¡ª §ß§Ö§Û§ä§â§Ñ§Ý§î§ß§à§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö, §Ù§ß§Ñ§é§Ö§ß§Ú§ñ §ß§Ú§Ø§Ö 7 §å§Ü§Ñ§Ù§í§Ó§Ñ§ð§ä §ß§Ñ §Ü§Ú§ã§Ý§à§ä§ß§à§ã§ä§î, §Ñ §Ù§ß§Ñ§é§Ö§ß§Ú§ñ §Ó§í§ê§Ö 7 ¡ª §ß§Ñ §ë§Ö§Ý§à§é§ß§à§ã§ä§î. §¥§Ñ§ä§é§Ú§Ü pH §Ú§Ù§Þ§Ö§â§ñ§Ö§ä §ß§Ñ§á§â§ñ§Ø§Ö§ß§Ú§Ö, §Ô§Ö§ß§Ö§â§Ú§â§å§Ö§Þ§à§Ö §Ú§à§ß§Ñ§Þ§Ú §Ó§à§Õ§à§â§à§Õ§Ñ §Ó §â§Ñ§ã§ä§Ó§à§â§Ö, §Ú §á§â§Ö§à§Ò§â§Ñ§Ù§å§Ö§ä §Ö§Ô§à §Ó §Ö§Õ§Ú§ß§Ú§è§í pH. §°§Õ§ß§Ñ§Ü§à §ã§à §Ó§â§Ö§Þ§Ö§ß§Ö§Þ §Õ§Ñ§ä§é§Ú§Ü pH §Þ§à§Ø§Ö§ä §ã§Þ§Ö§ë§Ñ§ä§î§ã§ñ §Ú§Ý§Ú §ä§Ö§â§ñ§ä§î §ä§à§é§ß§à§ã§ä§î, §á§à§ï§ä§à§Þ§å §Õ§Ý§ñ §á§à§Õ§Õ§Ö§â§Ø§Ñ§ß§Ú§ñ §á§â§Ö§è§Ú§Ù§Ú§à§ß§ß§à§ã§ä§Ú §ä§â§Ö§Ò§å§Ö§ä§ã§ñ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ñ.
§£§í§Ò§à§â §á§â§Ñ§Ó§Ú§Ý§î§ß§í§ç §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§ç §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Ó
§±§â§Ú §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ö §Õ§Ñ§ä§é§Ú§Ü§Ñ pH §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§Ö §ã§ä§Ñ§ß§Õ§Ñ§â§ä§í §ã §Ú§Ù§Ó§Ö§ã§ä§ß§í§Þ§Ú §Ù§ß§Ñ§é§Ö§ß§Ú§ñ§Þ§Ú pH. §¿§ä§Ú §ã§ä§Ñ§ß§Õ§Ñ§â§ä§í §Õ§à§Ý§Ø§ß§í §à§ç§Ó§Ñ§ä§í§Ó§Ñ§ä§î §Õ§Ú§Ñ§á§Ñ§Ù§à§ß §Ù§ß§Ñ§é§Ö§ß§Ú§Û pH, §Ü§à§ä§à§â§í§Ö §Ó§í §á§Ý§Ñ§ß§Ú§â§å§Ö§ä§Ö §Ú§Ù§Þ§Ö§â§ñ§ä§î. §¬§Ñ§Ü §á§â§Ñ§Ó§Ú§Ý§à, §Ó§Ñ§Þ §á§à§ä§â§Ö§Ò§å§Ö§ä§ã§ñ §Ü§Ñ§Ü §Þ§Ú§ß§Ú§Þ§å§Þ §Õ§Ó§Ñ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§ç §ã§ä§Ñ§ß§Õ§Ñ§â§ä§Ñ ¨C §à§Õ§Ú§ß §ã pH, §Ò§Ý§Ú§Ù§Ü§Ú§Þ §Ü §ß§Ö§Û§ä§â§Ñ§Ý§î§ß§à§Þ§å §Ù§ß§Ñ§é§Ö§ß§Ú§ð (7), §Ú §Õ§â§å§Ô§à§Û §ã §ï§Ü§ã§ä§â§Ö§Þ§Ñ§Ý§î§ß§í§Þ (§Ü§Ú§ã§Ý§à§ä§ß§í§Þ §Ú§Ý§Ú §ë§Ö§Ý§à§é§ß§í§Þ) §Ù§ß§Ñ§é§Ö§ß§Ú§Ö§Þ pH. §¬§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§Ö §ã§ä§Ñ§ß§Õ§Ñ§â§ä§í §Ó§í§á§å§ã§Ü§Ñ§ð§ä§ã§ñ §Ó §Ø§Ú§Õ§Ü§à§Û §Ú§Ý§Ú §á§à§â§à§ê§Ü§à§à§Ò§â§Ñ§Ù§ß§à§Û §æ§à§â§Þ§Ö, §ß§à §Õ§Ý§ñ §ã§à§ç§â§Ñ§ß§Ö§ß§Ú§ñ §ä§à§é§ß§à§ã§ä§Ú §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §å§Ò§Ö§Õ§Ú§ä§î§ã§ñ, §é§ä§à §à§ß§Ú §ã§Ó§Ö§Ø§Ú§Ö §Ú §ç§â§Ñ§ß§ñ§ä§ã§ñ §ß§Ñ§Õ§Ý§Ö§Ø§Ñ§ë§Ú§Þ §à§Ò§â§Ñ§Ù§à§Þ.
§±§à§Õ§Ô§à§ä§à§Ó§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ pH
§±§Ö§â§Ö§Õ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§à§Û §å§Ò§Ö§Õ§Ú§ä§Ö§ã§î, §é§ä§à §Ó§Ñ§ê §Õ§Ñ§ä§é§Ú§Ü pH §é§Ú§ã§ä§í§Û §Ú §ß§Ñ§ç§à§Õ§Ú§ä§ã§ñ §Ó §ß§Ñ§Õ§Ý§Ö§Ø§Ñ§ë§Ö§Þ §ã§à§ã§ä§à§ñ§ß§Ú§Ú. §§ð§Ò§í§Ö §à§ä§Ý§à§Ø§Ö§ß§Ú§ñ §Ú§Ý§Ú §Ù§Ñ§Ô§â§ñ§Ù§ß§Ö§ß§Ú§ñ §ß§Ñ §Ù§à§ß§Õ§Ö §Õ§Ñ§ä§é§Ú§Ü§Ñ §Þ§à§Ô§å§ä §á§à§Ó§Ý§Ú§ñ§ä§î §ß§Ñ §ä§à§é§ß§à§ã§ä§î §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Û. §±§â§à§Þ§à§Û§ä§Ö §Õ§Ñ§ä§é§Ú§Ü §Õ§Ú§ã§ä§Ú§Ý§Ý§Ú§â§à§Ó§Ñ§ß§ß§à§Û §Ó§à§Õ§à§Û, §Ñ §Ù§Ñ§ä§Ö§Þ §á§à§Ô§â§å§Ù§Ú§ä§Ö §Ö§Ô§à §Ó §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§Û §ã§ä§Ñ§ß§Õ§Ñ§â§ä pH 7 §Õ§Ý§ñ §ã§ä§Ñ§Ò§Ú§Ý§Ú§Ù§Ñ§è§Ú§Ú §á§Ö§â§Ö§Õ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§à§Û. §³§Ý§Ö§Õ§å§Û§ä§Ö §Ú§ß§ã§ä§â§å§Ü§è§Ú§ñ§Þ §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§ñ §á§à §á§â§Ñ§Ó§Ú§Ý§î§ß§à§Þ§å §à§Ò§ã§Ý§å§Ø§Ú§Ó§Ñ§ß§Ú§ð §Ú §à§Ò§â§Ñ§ë§Ö§ß§Ú§ð §ã §Õ§Ñ§ä§é§Ú§Ü§à§Þ pH, §é§ä§à§Ò§í §á§â§à§Õ§Ý§Ú§ä§î §ã§â§à§Ü §Ö§Ô§à §ã§Ý§å§Ø§Ò§í §Ú §à§Ò§Ö§ã§á§Ö§é§Ú§ä§î §ä§à§é§ß§í§Ö §á§à§Ü§Ñ§Ù§Ñ§ß§Ú§ñ.
§£§í§á§à§Ý§ß§Ö§ß§Ú§Ö §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú
§´§Ö§á§Ö§â§î §á§â§Ú§ê§Ý§à §Ó§â§Ö§Þ§ñ §à§ä§Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ñ§ä§î §Ó§Ñ§ê pH-§Õ§Ñ§ä§é§Ú§Ü. §¯§Ñ§é§ß§Ú§ä§Ö §ã §á§à§Ô§â§å§Ø§Ö§ß§Ú§ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ §Ó §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§Û §ã§ä§Ñ§ß§Õ§Ñ§â§ä pH 7 §Ú §Õ§Ñ§Û§ä§Ö §Ö§Þ§å §ã§ä§Ñ§Ò§Ú§Ý§Ú§Ù§Ú§â§à§Ó§Ñ§ä§î§ã§ñ. §±§à§ã§Ý§Ö §ã§ä§Ñ§Ò§Ú§Ý§Ú§Ù§Ñ§è§Ú§Ú §à§ä§â§Ö§Ô§å§Ý§Ú§â§å§Û§ä§Ö §á§à§Ü§Ñ§Ù§Ñ§ß§Ú§ñ §Ó§Ñ§ê§Ö§Ô§à pH-§Þ§Ö§ä§â§Ñ §Ó §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§Ú§Ú §ã§à §Ù§ß§Ñ§é§Ö§ß§Ú§Ö§Þ §ã§ä§Ñ§ß§Õ§Ñ§â§ä§Ñ pH 7. §©§Ñ§ä§Ö§Þ §á§à§Ô§â§å§Ù§Ú§ä§Ö §Õ§Ñ§ä§é§Ú§Ü §Ó§à §Ó§ä§à§â§à§Û §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§Û §ã§ä§Ñ§ß§Õ§Ñ§â§ä §ã §Õ§â§å§Ô§Ú§Þ §Ù§ß§Ñ§é§Ö§ß§Ú§Ö§Þ pH (§ß§Ñ§á§â§Ú§Þ§Ö§â, pH 4 §Ú§Ý§Ú 10) §Ú §á§à§Ó§ä§à§â§Ú§ä§Ö §á§â§à§è§Ö§ã§ã §â§Ö§Ô§å§Ý§Ú§â§à§Ó§Ü§Ú. §¯§Ö§Ü§à§ä§à§â§í§Ö pH-§Þ§Ö§ä§â§í §Ú§Þ§Ö§ð§ä §æ§å§ß§Ü§è§Ú§ð §Ñ§Ó§ä§à§Þ§Ñ§ä§Ú§é§Ö§ã§Ü§à§Û §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú, §Ü§à§ä§à§â§Ñ§ñ §å§á§â§à§ë§Ñ§Ö§ä §ï§ä§à§ä §á§â§à§è§Ö§ã§ã.
§±§â§à§Ó§Ö§â§Ü§Ñ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Ú §Ü§à§â§â§Ö§Ü§ä§Ú§â§à§Ó§Ü§Ñ §á§â§Ú §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à§ã§ä§Ú.
§±§à§ã§Ý§Ö §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Õ§Ñ§ä§é§Ú§Ü§Ñ pH §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §á§â§à§Ó§Ö§â§Ú§ä§î §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§å, §Ú§Ù§Þ§Ö§â§Ú§Ó §Ù§ß§Ñ§é§Ö§ß§Ú§Ö pH §ß§Ñ §ä§â§Ö§ä§î§Ö§Þ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§à§Þ §ã§ä§Ñ§ß§Õ§Ñ§â§ä§Ö §Ú§Ý§Ú §à§Ò§â§Ñ§Ù§è§Ö §ã §Ú§Ù§Ó§Ö§ã§ä§ß§í§Þ §Ù§ß§Ñ§é§Ö§ß§Ú§Ö§Þ pH. §¦§ã§Ý§Ú §á§à§Ü§Ñ§Ù§Ñ§ß§Ú§ñ §à§ä§Ü§Ý§à§ß§ñ§ð§ä§ã§ñ §à§ä §à§Ø§Ú§Õ§Ñ§Ö§Þ§à§Ô§à §Ù§ß§Ñ§é§Ö§ß§Ú§ñ pH, §Þ§à§Ø§Ö§ä §á§à§ä§â§Ö§Ò§à§Ó§Ñ§ä§î§ã§ñ §á§à§Ó§ä§à§â§ß§Ñ§ñ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ. §±§à§Ó§ä§à§â§ñ§Û§ä§Ö §á§â§à§è§Ö§ã§ã §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Õ§à §ä§Ö§ç §á§à§â, §á§à§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü §ß§Ö §ß§Ñ§é§ß§Ö§ä §á§à§Ü§Ñ§Ù§í§Ó§Ñ§ä§î §ä§à§é§ß§í§Ö §Ú §ã§ä§Ñ§Ò§Ú§Ý§î§ß§í§Ö §á§à§Ü§Ñ§Ù§Ñ§ß§Ú§ñ §á§â§Ú §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §Ù§ß§Ñ§é§Ö§ß§Ú§ñ§ç pH. §³§à§ç§â§Ñ§ß§ñ§Û§ä§Ö §Ù§Ñ§á§Ú§ã§Ú §à §Õ§Ñ§ä§Ñ§ç §Ú ??§â§Ö§Ù§å§Ý§î§ä§Ñ§ä§Ñ§ç §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Õ§Ý§ñ §Ü§à§ß§ä§â§à§Ý§ñ §Ü§Ñ§é§Ö§ã§ä§Ó§Ñ §Ú §à§Ò§Ö§ã§á§Ö§é§Ö§ß§Ú§ñ §á§â§à§ã§Ý§Ö§Ø§Ú§Ó§Ñ§Ö§Þ§à§ã§ä§Ú.
§£ §Ù§Ñ§Ü§Ý§ð§é§Ö§ß§Ú§Ö, §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ pH §Ú§Þ§Ö§Ö§ä §Ó§Ñ§Ø§ß§à§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö §Õ§Ý§ñ §ä§à§é§ß§í§ç §Ú §ß§Ñ§Õ§Ö§Ø§ß§í§ç §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Û §Ó §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §à§Ò§Ý§Ñ§ã§ä§ñ§ç. §±§à§ß§Ú§Þ§Ñ§ß§Ú§Ö §à§ã§ß§à§Ó §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú pH, §Ó§í§Ò§à§â §á§â§Ñ§Ó§Ú§Ý§î§ß§í§ç §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§à§é§ß§í§ç §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Ó, §ß§Ñ§Õ§Ý§Ö§Ø§Ñ§ë§Ñ§ñ §á§à§Õ§Ô§à§ä§à§Ó§Ü§Ñ §Õ§Ñ§ä§é§Ú§Ü§Ñ, §á§â§Ñ§Ó§Ú§Ý§î§ß§à§Ö §Ó§í§á§à§Ý§ß§Ö§ß§Ú§Ö §ï§ä§Ñ§á§à§Ó §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ú §Ú §á§â§à§Ó§Ö§â§Ü§Ñ §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§à§Ó §á§à§Ù§Ó§à§Ý§ñ§ä §à§Ò§Ö§ã§á§Ö§é§Ú§ä§î §ä§à§é§ß§à§ã§ä§î §Ó§Ñ§ê§Ö§Ô§à §Õ§Ñ§ä§é§Ú§Ü§Ñ pH. §²§Ö§Ô§å§Ý§ñ§â§ß§Ñ§ñ §Ü§Ñ§Ý§Ú§Ò§â§à§Ó§Ü§Ñ §Ú §ä§Ö§ç§ß§Ú§é§Ö§ã§Ü§à§Ö §à§Ò§ã§Ý§å§Ø§Ú§Ó§Ñ§ß§Ú§Ö §á§à§Þ§à§Ô§å§ä §Ó§Ñ§Þ §Õ§à§Ò§Ú§ä§î§ã§ñ §ã§ä§Ñ§Ò§Ú§Ý§î§ß§í§ç §Ú §ä§à§é§ß§í§ç §Ú§Ù§Þ§Ö§â§Ö§ß§Ú§Û pH §Õ§Ý§ñ §Ó§Ñ§ê§Ú§ç §Ù§Ñ§Õ§Ñ§é.