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对于酸沉降的研究,大多数偏重于降雨试样的分析。但是,在有些地区,年降水量的相当部分是降雪。本文使用抑制和非抑制离子色谱法测定了落矶山脉降雪试样中的Cl~-、NO_3~-和SO_4~=。抑制系统使用10型离子色谱仪(Dionex),配有标准3×500-mm阴离子分离柱、6×250-mm抑制柱和双笔长图记录仪,用0.100ml进样环管,实验室温度为22℃±1.0℃,电导检测器响应保持在3μmhos/cm最大刻度读数,洗
For the study of acid deposition, most of them focus on the analysis of rainfall samples. However, in some areas, a significant part of annual precipitation is snowfall. In this paper, the determination of Cl ~ -, NO_3 ~ - and SO_4 ~ = in snowfall samples of rocky mountain range was determined by using inhibition and non - inhibition ion chromatography. The suppression system uses a 10 Ion Chromatograph (Dionex) equipped with a standard 3 x 500-mm anion separation column, a 6 x 250-mm suppression column and a dual pen plotter with a 0.100 ml injection loop, a laboratory temperature For 22 ℃ ± 1.0 ℃, conductance detector response to maintain the maximum scale reading 3μmhos / cm, wash