1a.Explain the specific functions of an internal standard in i)
HPLC ii) AES
b. Define the following...
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Chemistry
1a.Explain the specific functions of an internal standard in i)HPLC ii) AES
b. Define the following terms in atomic spectroscopy. Give twoexamples for each of them. i) releasing agents ii) protective agents iii) ionization suppressors
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1 a An internal standard is a known concentration of a substance that is present in every sample that is analyzed by any of these techniques They can be used with either the calibration curve or standard addition methods although the former is probably more common The purpose of the internal standard is to behave similarly to the analyte but to provide a signal
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