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Log-log plots are often used for ICP emission spectroscopy data. Why? Will a method that gives...

Log-log plots are often used for ICP emission spectroscopy data. Why? Will a method that gives a linear beer’s law plot necessarily also give a linear log-log plot? Will using a log-log plot affect the calibration? Explain

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Answer #1

1. We often use log-log plots for ICP emission spectroscopy data because:

  • Log-log plots represent the skewness of the data which consists of large values in a better manner. Example when we have one or more than one data points which are higher than the rest of the data.
  • Also, these plots shows the change in percentage or multiplicative factors clearly.

Thus log-log plots help in easy representation and fitting of data.

2. If a method gives a linear Beer's law plot then the log-log plot will also be linear to the best fit.

3. Using a log-log plot will not affect the calibration because as mentioned in point 1, a log-log plot will help in data fitting and traightening out the data points. When a data is fitted, it is easy to perform calibration activity.

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