Polarimetry Calculator: [α]D, OP, ee%, %R,%S
(1) eq1: [α]D Specific Rotation of Enantiomer : Sample's rotation = ° ⇒ Length of cell (dm) = ⇒ Goto (2)
(2) Concentration (g/ml) = ⇒ Specific rotation [α]D = °
(3) Optical Purity : Sample's [α]D = ° ⇒ Enantiomers highest [α]D = ° ⇒ =
(4) Enantiomeric Excess (ee) : % Predominant enantiomer (>50) = ⇒ = %
(5) % Predominant Enantiomer from Enantiomeric Excess (ee) :       ♦   Decimal places: 1 2
(6) ee = % ⇒ ⇒ % R or S =
(7) eq3: Optical Rotation: Major enantiomer proportion P1 = ⇒ [α 1]D ° ⇒ [αM]D = °
(8) eq4: % R and S enantiomers : Sample's Specific [αM]D Rotation = ° ⇒ Goto (9)
(9) Maximum known S [α]D = ° ⇒ R % = S % =
(10) eq5: Specific [α 1]D Rotation of enantiomer with one chiral impurity : Enantiomer Proportion = ⇒ Goto (11)
(11) Specific [αM]D of mix = ° ⇒ Known [α 2]D impurity = ° ⇒ of Enantiomer = °
(12) eq6: Highest Specific [α]D Rotation of Mix of two Enantiomers :
(13) Proportion major enantiomer = ⇒ Specific [αM]D of mixture = ° ⇒ = °
(14) Adjust [α 1]D of enantiomer in mixture with chiral impurities or predict rotation of mix [αM]D :
(15) eq7: [αM]D,P1,[α 2],P2,[α 3]D,P3,... ⇒ Adjusted [α 1]D = °
(16) eq8: [α 1]D,P1,[α 2],P2,[α 3]D,P3,... ⇒ [αM]D of mix = °

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