Instrumental acs - Study guides, Class notes & Summaries

Instrumental Analysis ACS Exam Final With Complete Solutions 2024 What is linear range? - answerAnalyte concentration over the response that is proportional to the concentration. When analyzing an unknown where should the concentration of the unknown fall? - answerSomewhere within the linear range What should you do if the unknown concentration is below the linear range? - answerperform pre-concentration Examples of pre-concentration - answerevaporating, anodic stripping voltammetry Wha...

Instrumental Analysis ACS Exam Final With Complete Solutions 2024 What is linear range? - answerAnalyte concentration over the response that is proportional to the concentration. When analyzing an unknown where should the concentration of the unknown fall? - answerSomewhere within the linear range What should you do if the unknown concentration is below the linear range? - answerperform pre-concentration Examples of pre-concentration - answerevaporating, anodic stripping voltammetry Wha...

Instrumental Analysis ACS Final Prep Exam Questions With Correct Answers what are the difference between calibration sensitivity and analytical sensitivity - answercalibration sensitivity is the slope of a calibration curve at the concentration of interest while analytical sensitivity is a response to the noise ratio how to calculate calibration sensitivity - answery=mx+b (m is the calibration sensitivity) graph concentration vs mean analytical signal how to find the analytical sensitivit...

Instrumental Analysis ACS Final Prep Exam Questions With Correct Answers what are the difference between calibration sensitivity and analytical sensitivity - answercalibration sensitivity is the slope of a calibration curve at the concentration of interest while analytical sensitivity is a response to the noise ratio how to calculate calibration sensitivity - answery=mx+b (m is the calibration sensitivity) graph concentration vs mean analytical signal how to find the analytical sensitivit...

Instrumental Analysis ACS Exam

How to calculate signal to noise - Answer-S/N = mean/STDEV -inverse of RSD -STDEV: 5 (#STDEV gaussian curve) -STDEV: peak-to-peak noise/5 S/N relationships - Answer--increase S/N, increase run time -decrease noise, increase S/N Beer's Law - AnswerBeer's Law Calculations - AnswerHard ionization vs soft ionization - Answer--hard: no M+ peak (or small) -soft: M+ peak is visible MS: hard ionization sources - Answer--impart high quantities of residual energy in the subject molecule invokin...

Instrumental Analysis ACS Exam Questions With 100% Correct Answers How to calculate signal to noise - answerS/N = mean/STDEV -inverse of RSD -STDEV: 5 (#STDEV gaussian curve) -STDEV: peak-to-peak noise/5 S/N relationships - answer-increase S/N, increase run time -decrease noise, increase S/N Beer's Law - answer Beer's Law Calculations - answer Hard ionization vs soft ionization - answer-hard: no M+ peak (or small) -soft: M+ peak is visible MS: hard ionization sources - answer-impar...

Instrumental Analysis ACS Exam Questions With 100% Correct Answers How to calculate signal to noise - answerS/N = mean/STDEV -inverse of RSD -STDEV: 5 (#STDEV gaussian curve) -STDEV: peak-to-peak noise/5 S/N relationships - answer-increase S/N, increase run time -decrease noise, increase S/N Beer's Law - answer Beer's Law Calculations - answer Hard ionization vs soft ionization - answer-hard: no M+ peak (or small) -soft: M+ peak is visible MS: hard ionization sources - answer-i...

Instrumental Analysis ACS Exam 2024 Questions with Answers