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  • Can get expensive
  • Needs certain special skills and lots of training to be able to do it
  • It can only give results which can be compared to those we already have

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What are types of classical methods in instrumental analysis?

Classical methods in instrumental analysis include gravimetric analysis, titration techniques, and colorimetric methods. These methods involve measuring the quantity or concentration of a substance based on its physical or chemical properties.


When would you choose a wet chemical analysis procedure over an instrumental analysis procedure?

A wet chemical analysis procedure, such as a titration, may be chosen when the analyte can be easily characterized by a chemical reaction with a specific reagent. This method is often used when the analyte is present in high concentrations and when accuracy is more important than speed. Instrumental analysis procedures are usually favored when high sensitivity, precision, and speed are required, and when the analyte is present in trace amounts.


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How do you convert proximate analysis of coal to ultimate analysis?

To convert proximate analysis of coal to ultimate analysis, use the Dulong formula as follows: Carbon = 0.75*(fixed carbon + [volatile matter/100]); Hydrogen = 0.06volatile matter; Oxygen = [moisture/100] + 0.3sulfur - carbon - hydrogen; Nitrogen = volatile matter/100 * 0.01. This formula estimates the ultimate analysis (C, H, O, N) from the proximate analysis (moisture, volatile matter, fixed carbon, ash).

Related Questions

What are the advantages of using instrumental methods of analysis?

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Free download Instrumental methods of Chemical Analysis by Chatwal?

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What has the author Henrietta Bryan Alphin written?

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