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氯化氫的采样分析方法

返回打印发布时间：2022/6/20 点击：10096

氯化氫的采样分析方法：

关于氯化氫的采样方法，操作比较简单，需要考虑几个细节步骤。

串聯2個分別裝有20毫升氫氧化鈉吸收液的多孔玻璃板吸收瓶，以每分鍾0.5毫升的流量采樣，時間控制在5~30分鍾。根據溫度和濕度調節采樣管保溫套的溫度，以免在采樣過程中水蒸氣到達吸收瓶前冷凝。

将样品溶液分别转移到2个50毫升量筒中，用少量氢氧化钠吸收液清洗吸收瓶，将清洗溶液放入量筒中，用吸收液定容，摇匀，适量溶液放入10毫升比色管中，加吸收液到五毫升，然后在加入百分之三浓度的硫酸铁铵溶液，混合均匀，在加入一定量的硫氰酸汞，混合均匀，放置一定时间，进行分析。

氯化氫的采樣分析方法就介紹到這裏，歡迎您持續關注我們。

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