Abstract: Analytical chemistry began with some practical activities of analysis and inspection. The development of commodity production and exchange has promoted the analysis and inspection work. From 65438 to the 6th century, chemical reactions were widely used in wet analysis. /kloc-in the middle of the 0 th/8 th century, gravimetric analysis made analytical chemistry enter the era of quantitative analysis from pure qualitative analysis. 19th century, qualitative analysis tends to be perfect, and various quantitative analysis methods also appear and develop one after another. Analytical chemistry really became an independent discipline at the beginning of the 20th century, and it was called classical analytical chemistry. Since the 20th century, with the continuous enrichment and perfection of classical chemistry, instrumental analysis has also developed rapidly and occupied an increasingly important position in analytical chemistry.

Keywords: chemical analysis instrument analysis

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