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The SI unit of molar absorption coefficient is the square metre per mole (m 2 /mol), but in practice, quantities are usually expressed in terms of M −1 ⋅cm −1 or L⋅mol −1 ⋅cm −1 (the latter two units are both equal to 0.1 m 2 /mol).
Extinction coefficient refers to several different measures of the absorption of light in a medium: Attenuation coefficient , sometimes called "extinction coefficient" in meteorology or climatology Mass extinction coefficient , how strongly a substance absorbs light at a given wavelength, per mass density
absorption coefficient is essentially (but not quite always) synonymous with attenuation coefficient; see attenuation coefficient for details; molar absorption coefficient or molar extinction coefficient , also called molar absorptivity , is the attenuation coefficient divided by molarity (and usually multiplied by ln(10), i.e., decadic); see ...
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Download as PDF; Printable version; In other projects ... Standard molar entropy, S o gas: 192.77 J/(mol K) ... Extinction coefficient, ε None IR;
Absorption spectrum of methylene blue, in terms of the molar extinction coefficient (base 10 logarithm). In this dataset a peak absorbance of 1.7 (i.e. 98% of transmitted light absorbed) was observed with 665 nm light passing through 1 cm of 10 micromolar methylene blue solution. The maximum absorption of light is near 670 nm.
Download as PDF; Printable version; In other projects ... Standard molar entropy, S o liquid: 259.4 J/(mol K) ... Extinction coefficient, ε ? IR; Major absorption bands
Download as PDF; Printable version; In other projects ... −9.04 × 10 −6 volume SI units [7] Thermodynamic properties ... Extinction coefficient, ...