Πώς να υπολογίσετε το Spectrophotometry
Τι είναι το Spectrophotometry;
Spectrophotometry measures light absorption: A = log(I₀/I) = εbc (Beer-Lambert law), used for quantitative analysis.
Οδηγός βήμα προς βήμα
- 1Input measured absorbance, path length, molar absorptivity
- 2Calculate concentration
- 3Generate calibration curve if multiple samples
Worked Examples
Εισαγωγή
Absorbance 0.5, ε = 5000 M⁻¹cm⁻¹, b = 1 cm
Αποτέλεσμα
c = A/(εb) = 0.5/5000 = 1×10⁻⁴ M
Common Mistakes to Avoid
- ✕Using wrong wavelength for compound
- ✕Not accounting for baseline absorbance
Frequently Asked Questions
What's molar absorptivity?
Characteristic of molecule at specific wavelength; tabulated values for known compounds.
Είστε έτοιμοι να υπολογίσετε; Δοκιμάστε τον δωρεάν υπολογιστή Spectrophotometry
Δοκιμάστε το μόνοι σας →