Given all of the instrumental methods you have learned, explain the method (including detection method) you would use in each situation described below:
a. Creatinine level in blood -Infrared spectroscopy
b. PBDE in food samples- GC-MS
c. Calcium content in urine-AAS
d. Free fatty acids in food samples- Florescence spectroscopy
e. Caffeine in coffee samples-HPLC.