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Absorptance

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Absorptance is the fraction of light absorbed by a sample.

Absorptance (fraction) = absorbed light/incident light = (incident light - transmitted light)/incident light,

Absorptance % = 100% - Transmittance %.

Absorptance is available as standard on PFXi instruments but not PFX instruments. This is shown as ABS on 'Spectral' results screen.

On the PFXi range, Absorptance is expressed as a fraction, ie. as a value between 0 and 1.

This is not to be confused with Absorbance, which Lovibond Tintometer calls optical density (OD) on the PFX and PFXi ranges.

Title	Application	Part Number
NC45	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics \| Sugar Solutions, Syrups and Honey \| Textiles \| Waste Water Treatment	400810
PFXi-880/AT	Edible Oils and Fats	1378802
PFXi-880/S	Sugar Solutions, Syrups and Honey	1378805
PFXi-950/P	Petroleum Oils and Waxes	1379502
PFXi-995	Chemicals \| Edible Oils and Fats \| Food and Beverage \| Household Products \| Petroleum Oils and Waxes	1379951
PFXi-995/P	Petroleum Oils and Waxes	1379952
RT250 Elite Package RT 250	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics	402505
RT300 (0/45) 7 mm aperture	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics	400300
RT305 (0/45) 4 mm aperture	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics	400305
RT310 (0/45) 15 mm aperture	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics	400310
RT320 (0/45) 4, 7 & 15 mm aperture	Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Plastics	400320
RT400 (diffuse/8) 8 mm aperture	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400400
RT500 (diffuse/8) 8 mm aperture	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400500
RT500 Explorer Package RT500 & OnColor Lite	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400505
RT505 (diffuse/8) 4 mm aperture	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400504
RT520 (diffuse/8) 4 & 8 mm aperture	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400520
RT530 (diffuse/8) 14 mm Aperture	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	400530
RT650 (diffuse/8) Compact Spectrophotometer	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Medical and Clinical Products \| Pharmaceuticals and Cosmetics \| Plastics \| Textiles	407000
RT650 Expert Package RT650 & OnColor Premium	Chemicals \| Coatings \| Food and Beverage \| Household Products \| Plastics \| Textiles