Analytical chemistry

Gustav Kirchhoff (left) and Robert Bunsen (right)

The presence of copper in this qualitative analysis is indicated by the bluish-green color of the flame

Block diagram of an analytical instrument showing the stimulus and measurement of response

Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice separation, identification or quantification may constitute the entire analysis or be combined with another method. Separation isolates analytes. Qualitative analysis identifies analytes, while quantitative analysis determines the numerical amount or concentration.

单词	Chemical analyses
释义	Chemical analyses 原声例句科学60秒-科学美国人 2020年3月合集 Then they did chemical and genetic analyses of the samples. 之后，他们对样本进行了化学和基因分析。科学杂志：动物学 Chemical analyses showed that up to 50% of the diet of local fish comes from the carcasses when they're present. 化学分析表明，当地鱼类高达 50% 的食物来自尸体。英语百科 Analytical chemistry Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice separation, identification or quantification may constitute the entire analysis or be combined with another method. Separation isolates analytes. Qualitative analysis identifies analytes, while quantitative analysis determines the numerical amount or concentration.
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Chemical analyses

Analytical chemistry