Quantification of embedded H2O in soft contact lenses by NIR spectroscopy
Aplikace | | Metrohm Instrumentace
NIR Spektroskopie
ZaměřeníMateriálová analýza
VýrobceMetrohm
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Near-Infrared Spectroscopy Application Note NIR–21Monitoring the purity ofrecovered solvents by NIRSThe purity of a solvent (dichloromethane/methylene chloride) is monitoredby NIR spectroscopy along with two of the major impurities (methanol andwater). Method descriptionIntroductionThe solvents that are used in manufacturing processesare often not...
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NIR Application Note NIR-26Dye, diethylene glycol, water,and surfactant content in inkThis Application Note shows that Vis-NIR spectroscopy can be used to quantifyfour important parameters – dye, diethylene glycol (DEG), surfactant and watercontent – of the ink industry. The determination of...
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sev, sevmath, mathpress, presscontent, contentregression, regressiondye, dyepretreatment, pretreatmentsurfactant, surfactantwavelength, wavelengthsec, secmodel, modeldeg, degink, inkvalue, valuenir
Determination of water content in moisturizing skin creams using near-infrared spectroscopy
2017|Metrohm|Aplikace
NIR Application Note NIR–055Determination of water contentin moisturizing skin creams usingnear-infrared spectroscopywater contentNear-infrared spectroscopy (NIRS) was used as an analysis method for qualitycontrol of skin creams. A model for the quantification of the water content wasdeveloped based on Karl Fischer...
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creams, creamsnirs, nirsmoisturizing, moisturizingcontent, contentmethod, methodspectroscopy, spectroscopyregression, regressionslurry, slurrywater, waterfischer, fischerkarl, karlskin, skincup, cupwere, werenir
Determination of sun protection factor in creams using visible near-infrared spectroscopy
2018|Metrohm|Aplikace
NIR Application Note NIR-062Determination of sun protectionfactor in creams using visiblenear-infrared spectroscopyThis 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 than 30 seconds, NIRspectroscopy is...
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spf, spfsunburn, sunburnradiation, radiationcreams, creamsspectroscopy, spectroscopypls, plscountry, countrydetermination, determinationcostumer, costumeraxis, axismetrohm, metrohmtransflection, transflectionprotection, protectionover, overcorrelation