learn.howToCalculate
learn.whatIsHeading
Spectrophotometry measures light absorption: A = log(I₀/I) = εbc (Beer-Lambert law), used for quantitative analysis.
चरण-दर-चरण मार्गदर्शिका
- 1Input measured absorbance, path length, molar absorptivity
- 2Calculate concentration
- 3Generate calibration curve if multiple samples
हल किए गए उदाहरण
इनपुट
Absorbance 0.5, ε = 5000 M⁻¹cm⁻¹, b = 1 cm
परिणाम
c = A/(εb) = 0.5/5000 = 1×10⁻⁴ M
सामान्य गलतियां जिनसे बचना है
- ✕Using wrong wavelength for compound
- ✕Not accounting for baseline absorbance
अक्सर पूछे जाने वाले प्रश्न
What's molar absorptivity?
Characteristic of molecule at specific wavelength; tabulated values for known compounds.
learn.ctaText
इसे स्वयं आज़माएँ →