About SHEN S
About Jindongnan Teachers Coll., Changzhi
About SHIBUTANI Y
About Osaka Inst. Technol., Osaka, JPN
About Fenxi Huaxue
About sodium
About ion selective electrode
About potentiometry
About crown ether
About ether
About membrane electrode
About polymer membrane
About polyvinyl chloride
About quantitative analysis(analytical chemistry)
About calibration
About dynamic range
About detection limit
About measurement accuracy
About aromatic compound
About benzenes
About Electrometric analysis of elements in inorganic substances
About Analytical instruments
About クラウン
About ナトリウム
About イオン選択電極
About 作製