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Instruments that measure ultraviolet and/or visible light absorbance of a sample; they are based on the Beer-Lambert law, which states that the concentration of a solute is proportional to the absorbance of the sample. Accessories available.
UV neutral density filter set for spectrophotometer photometric accuracy calibration, has two Neutral Density Filters, the testing photometric are 235nm, 257nm, 313nm, and 350nm
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More