learn.howToCalculate
learn.whatIsHeading
Spectrophotometry measures light absorption: A = log(I₀/I) = εbc (Beer-Lambert law), used for quantitative analysis.
ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |
- 1Input measured absorbance, path length, molar absorptivity
- 2Calculate concentration
- 3Generate calibration curve if multiple samples
ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ
ଇନପୁଟ୍
Absorbance 0.5, ε = 5000 M⁻¹cm⁻¹, b = 1 cm
ଫଳ
c = A/(εb) = 0.5/5000 = 1×10⁻⁴ M
ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ
- ✕Using wrong wavelength for compound
- ✕Not accounting for baseline absorbance
ବାରମ୍ବାର ଜିଜ୍ଞାସା
What's molar absorptivity?
Characteristic of molecule at specific wavelength; tabulated values for known compounds.
learn.ctaText
ଏହାକୁ ନିଜେ ଚେଷ୍ଟା କରନ୍ତୁ →