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English to Portuguese translations [PRO] Medical - Medical (general) / cromatografia
English term or phrase:background
The Variant II Chromatographic Station dual pumps deliver a programmed buffer gradient of increasing ionic strength to the cartridge, where the haemoglobin are separated based on their ionic interactions with the cartridge material. The absorbance at 415 nm is measured. An additional filter at 690 nm corrects the background absorbance.