几种颇有应用潜力的光谱分析方法：一、差示分光光度法(Difference Spectrophotometry)：简称ΔA法。取两份相等的供试液，一份加酸，另一份加碱或缓冲液或其他能够发生某种化学反应的试剂，有时也可不加任何溶液，然后...
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Objective to establish a method to determine free hydrazine in isoniazid injection by difference spectrophotometry.
目的建立差示分光光度法测定异烟肼注射液中游离肼的方法。
A simple selective spectrophotometry has been developed for determination of molybdenum in the presence of tungsten based on the difference of polymeric behavior and complex ability.
本文报道了在大量钨存在下选择性测定微量钼的方法。
The solution in ampoules has been measured by flame atomic absorption spectrophotometry without significant difference between preparing value and measuring value.
配制完成后使用火焰原子吸收法对其进行了多次重复测量，结果表明，测量值与配制值一致。
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