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Instrumental Analysis ACS Bundled Exams with complete solution
Instrumental Analysis ACS Bundled Exams with complete solution
[Show more]Instrumental Analysis ACS Bundled Exams with complete solution
[Show more]What does sensitivity mean? - discriminate between small differences in concentration 
What does selectivity mean? - degree which method is free from interference of other species 
What does detection limit mean? - min. concentration/ mass of analyte detected with known 
confidence level 
What are t...
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Add to cartWhat does sensitivity mean? - discriminate between small differences in concentration 
What does selectivity mean? - degree which method is free from interference of other species 
What does detection limit mean? - min. concentration/ mass of analyte detected with known 
confidence level 
What are t...
w to calculate signal to noise - S/N = mean/STDEV 
-inverse of RSD 
-STDEV: 5 (#STDEV gaussian curve) 
-STDEV: peak-to-peak noise/5 
S/N relationships - -increase S/N, increase run time 
-decrease noise, increase S/N 
Beer's Law -
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Add to cartw to calculate signal to noise - S/N = mean/STDEV 
-inverse of RSD 
-STDEV: 5 (#STDEV gaussian curve) 
-STDEV: peak-to-peak noise/5 
S/N relationships - -increase S/N, increase run time 
-decrease noise, increase S/N 
Beer's Law -
Know the different types of cuvettes (plastic and quartz) and when they are used - -cuvettes are 
usually made of plastic, glass and quartz 
-plastic and glass are cheaper than quartz 
-for light sources >280 nm = plastic 
-for light sources >320 nm = glass 
-for light sources <320 nm = qua...
Preview 2 out of 8 pages
Add to cartKnow the different types of cuvettes (plastic and quartz) and when they are used - -cuvettes are 
usually made of plastic, glass and quartz 
-plastic and glass are cheaper than quartz 
-for light sources >280 nm = plastic 
-for light sources >320 nm = glass 
-for light sources <320 nm = qua...
What is linear range? - Analyte concentration over the response that is proportional to the 
concentration. 
When analyzing an unknown where should the concentration of the unknown fall? - Somewhere 
within the linear range 
What should you do if the unknown concentration is below the linear range? ...
Preview 2 out of 10 pages
Add to cartWhat is linear range? - Analyte concentration over the response that is proportional to the 
concentration. 
When analyzing an unknown where should the concentration of the unknown fall? - Somewhere 
within the linear range 
What should you do if the unknown concentration is below the linear range? ...
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