Why is chemical analysis more accurate than instrumental analysis?
Of course, in fact, instrumental analysis is much smaller than the absolute error of chemical analysis, but relatively large error.Therefore, the so-called chemical analysis is more accurate than instrumental analysis, refers to the relative error, rather than the absolute error (pure comparison of absolute value is meaningless).
For example, for example, the error is 1, then the relative error of the chemical analysis may be 1%, and the instrument analysis may be 10%.
Chemical analysis is a constant analysis, which can be understood as a higher concentration or content.The instrumental analysis is aimed at trace and trace analysis, that is, low concentration or content.
