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Quantification of embedded H2O in soft contact lenses by NIR spectroscopy

 

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NIR Application Note NIR-26 Dye, diethylene glycol, water, and surfactant content in ink This Application Note shows that Vis-NIR spectroscopy can be used to quantify four important parameters – dye, diethylene glycol (DEG), surfactant and water content – of the…
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sev, sevmath, mathpress, presscontent, contentregression, regressiondye, dyepretreatment, pretreatmentsurfactant, surfactantwavelength, wavelengthsec, secmodel, modeldeg, degink, inkvalue, valuenir
Near-Infrared Spectroscopy Application Note NIR–21 Monitoring the purity of recovered solvents by NIRS The purity of a solvent (dichloromethane/methylene chloride) is monitored by NIR spectroscopy along with two of the major impurities (methanol and water). Method description Introduction The solvents…
Klíčová slova
nir, nirimpurities, impuritiesfischer, fischernirs, nirsxds, xdskarl, karldistillation, distillationsolvents, solventssamples, samplesmethanol, methanolspectroscopy, spectroscopyoptic, opticbands, bandschloride, chloriderecovered
NIR Application Note NIR-062 Determination of sun protection factor in creams using visible near-infrared spectroscopy This Application Note shows that visible near-infrared spectroscopy (VisNIRS) can determine the sun protection factor (SPF) of sunscreen products. Thanks to measurement durations of less…
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spf, spfsunburn, sunburnradiation, radiationcreams, creamsspectroscopy, spectroscopypls, plscountry, countrydetermination, determinationcostumer, costumeraxis, axismetrohm, metrohmtransflection, transflectionprotection, protectionover, overcorrelation
NIR Application Note NIR–055 Determination of water content in moisturizing skin creams using near-infrared spectroscopy water content Near-infrared spectroscopy (NIRS) was used as an analysis method for quality control of skin creams. A model for the quantification of the water…
Klíčová slova
creams, creamsnirs, nirsmoisturizing, moisturizingcontent, contentmethod, methodspectroscopy, spectroscopyslurry, slurryregression, regressionwater, waterfischer, fischerkarl, karlskin, skincup, cupwere, werenir
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