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2~＃油的主要成分为α—萜烯醇,是浮选常用药剂.带有2~＃油的选矿废水排入江河时2~＃油将造成水质污染.成品2~＃油的分析多用气相色谱法,但浮选废水中微量2~＃油的分析少见报导.作者采用蒸馏分离、有机溶剂富集2~＃油,在硫酸介质中使其与对一二甲氨基苯甲醛作用生成深红色化合物,然后分光光度测定.有色化合物最大吸收波长在520～550nm,摩尔吸光系数为3.3×10~3,本实验条件下,2~＃油量在20～400μg范围内符合比尔定律.本法操作简便,选择性较
2 ~ # Oil is the main component of α-terpene alcohol, flotation commonly used agents. With 2 ~ # oil dressing wastewater discharged into the river 2 ~ # oil will cause water pollution. Finished 2 ~ # oil analysis of multi-purpose However, the analysis of trace amount of 2 # oil in flotation wastewater is rarely reported.The author uses distillation separation, organic solvent enrichment 2 ~ # oil, in the sulfuric acid medium with a-dimethylaminobenzaldehyde generated deep Red compounds, and then spectrophotometric determination of the maximum absorption wavelength of the colored compounds in the 520 ~ 550nm, the molar absorption coefficient of 3.3 × 10 ~ 3, under the experimental conditions, 2 ~ # oil in the range of 20 ~ 400μg Beer’s Law in line with the law. Easy to operate, more selective