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- W2271304265 abstract "The amount of inorganic ions such as Na^+, K^+, Ca^2+, Mg^2+, NH_4^+, Cl^-, NO_3^-, and SO_4^2- in the precipitation at Chongwon area were analyzed during the period of February 1991 - June 1993. Ammonium ion was analyzed using Nessler and indophenol methods. Cations were determined by atomic absorption spectroscopy, and ion chromatography was used for anions. For the entire period of study, there was no particular ion which has significantly high correlation coefficient with hydrogen ion. The correlation between NO_3^-, and SO_4^2- was 0.6, which suggests that these ions may be from the same source. Most cations have high correlation with each other. In the seasonal analysis, the nitrate and sulfate ions have high correlations with the acidity in the fall and winter. The rain waters of Taeahn area showed usually high concentrations of the ions, even though the pH was much higher than that of Chongwon area. It is considered that the ions came as neutral salt in Taeahn, while NO_x and SO_x contributes largely to the acidity of rains in Chongwon." @default.
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- W2271304265 date "1993-01-01" @default.
- W2271304265 modified "2023-09-24" @default.
- W2271304265 title "연구논문 : 충북 청원군의 강수중의 이온들간의 상관관계" @default.
- W2271304265 hasPublicationYear "1993" @default.
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