盐酸生产与分析中应注意的几个问题

Notable problems in the production and analysis of hydrochloric acid

对盐酸质量分析中出现的酸度低、酸度分析指示剂不显色等问题进行了讨论。

Such problems are discussed that low-acidity emerges in the quality analysis of hydrochloric acid and the chromogenic reaction of acidic-analysis indicator doesn′t work.