@incollection{weko_847_1, author = "片岡,正光 and 宇都,正幸", title = "電位差法(ポテンショメトリー、Potentiometry)、電気伝導度法(Conductometry)、酸素電極", booktitle = "環境の化学分析. 4.7.1, 4.7.2, 4.7.3", publisher = "三共出版", year = "1998", volume = "", number = "", pages = "292--299", month = "mar" }