absorbance

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absorbance

[əb′sȯr·bəns]
(physical chemistry)
The common logarithm of the reciprocal of the transmittance of a pure solvent. Also known as absorbancy; extinction.
References in periodicals archive ?
An explanation for the low efficiencies of CA and carmine DSSCs lies in their low optical absorbance levels in the UV-Vis spectrum compared with organometallic dyes that have high conversion efficiencies.
NIST Operating Unit(s) Inorganic Measurement Science Group, Chemical Sciences Division, MML Category Visualization software Targeted Users Nanoscience, spectrochemistry, chemical and materials scientists Operating Systems Microsoft, Linux, MacOS Programming Language R Inputs/Outputs Input: data in CSV format Output: spectrum plots, contour plots, 3D scatter plots, data table listing measured maximum optical absorbance, SPR peak and FWHM.
Moreover the total optical absorbance obtained as time integration of absorbance spectra (see left inset in Figure 2) increases with LA irradiation time, indicating the increases of silver nanoparticle amount in solution.
Band gap energy and transition type can be derived from mathematical treatment of data obtained from optical absorbance versus wavelength with Stern [18] relationship of near-edge absorption (Equation 1):
The basic structure of equipment is composed of a photometric clamp, figure 1, which has two semicircular electrodes of stainless steel sheet on each clamping die molded on glass tube, each electrode presenting a hole through which the radiation of a LED, passes on a clamping die of the clip, to a photodiode receiver, located on the other clamping die, monochromatic radiation emitted by the LED having a wavelength corresponding to maximum optical absorbance of the analyzed chemical species, the combined photometer also includes an electrical cable for connection and an electronic part.
The eNO system also relies on temperature controllers to gauge the temperature of the biosensor and gas, as well as to prevent temperature-induced shifts in optical absorbance.
Figure 5 graphically tested the optical absorbance at 280 nm versus the optical absorbance at 334 nm for the 14 lobster samples where a correlation of
Photoluminescence (PL) spectra were recorded with a Spex Fluorolog-3 spectrofluorometer and optical absorbance spectra with a Specord M-40 spectrophotometer.
The development of "ultra-sensitive photometry," a technology that allows measurement of extremely small changes in the optical absorbance of a liquid, was a seminal event in our company's history.
The use of single-wall carbon nanotubes (SWCNTs) is desirable because they combine high conductivity, elasticity, and durability with very low optical absorbance of light.
The use of RPE as the core protein provided a distinctive optical absorbance that facilitated both the HPLC characterization and the measurement of molar concentrations of the final released conjugates.
The FIA-SIA-LOV unit was developed by flow injection system supplier FIAlab Instruments, and is compatible with Ocean Optics UV and Visible miniature fiber optic spectrometers, light sources and optical fibers for dynamic spectral analyses of optical absorbance or fluorescence of fluids.