| 释义 |
macroanalysis Chem.|mækrəʊæˈnælɪsɪs|
[f. macro- 1 e + analysis.]
Quantitative analysis of samples of the size for which the older chemical techniques were usually developed, commonly 0·1–1 gramme.
1938Meldrum & Flosdorf Qualitative Analysis Inorg. Materials 1. 7 Microanalysis may be applied when the amount of material available..is very small... Many of the reactions are essentially the same as those used in the systematic macroanalysis. 1955[see micro- 8 b]. 1966McGraw-Hill Encycl. Sci. & Technol. XI. 143/1 Methods of quantitative analysis vary with the amount of sample taken and of constituent being determined. A macro⁓analysis (decigram analysis) uses a sample of about 0·1–0·5 gram. |