Differentiation of polymorphs using near infrared spectroscopy (NIRS)
Applications | | MetrohmInstrumentation
NIR Spectroscopy
IndustriesEnergy & Chemicals
ManufacturerMetrohm
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Analysis of polymers using near-infrared spectroscopy
|Metrohm|Guides
Application Bulletin 414 Analysis of polymers using near-infrared spectroscopy Branch Plastics and polymers Keywords Near-infrared spectroscopy, polymer, monomer, polymerization, polypropylene, polyethylene, PET, polyuethane, polystyrene, resin, polyols, polyesters, polyolefin, hydroxyl number, hydroxyl value, acid value, density, melt flow index, melt flow…
Key words
nir, nirindicate, indicateequivalent, equivalentspectroscopy, spectroscopysummary, summarysampling, samplingxds, xdsmonitor, monitorrecommended, recommendednirs, nirsresults, resultspolymer, polymerinfrared, infraredused, usednear
Quantification of color intensity of diluted textile dye by visible near-infrared spectroscopy
2017|Metrohm|Applications
NIR Application Note NIR–058 Quantification of color intensity of diluted textile dye by visible near-infrared spectroscopy This Application Note shows that the visible range of the Metrohm Vis-NIR analyzer can be used to quantify the color intensity of dyes, providing…
Key words
dye, dyecolor, colorintensity, intensitytypes, typesdistinguish, distinguishxds, xdsconcentr, concentrbetween, betweenvis, visnirs, nirssupplier, supplierrapidliquid, rapidliquidvisible, visibledifferent, differentmetrohm
Determination of amine number and solid content of dipping paint
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NIR Application Note NIR-30 Determination of amine number and solid content of dipping paint This Application Note shows that Vis-NIR spectroscopy can be used to quantify the amine number and solid content of electrophoretic coating material in the paint industry.…
Key words
paint, paintamine, aminedipping, dippingcontent, contentsolid, solidsev, sevsmartprobe, smartprobenumber, numberelectrophoretic, electrophoreticnirs, nirsdeposition, depositionquantitative, quantitativenir, nirpress, pressbeautification
Analysis of polymer granulate by near-infrared spectroscopy
|Metrohm|Applications
NIR Application Note NIR-34 Analysis of polymer granulate by near-infrared spectroscopy This Application Note shows that fast near-infrared spectroscopy (NIRS) accelerates quality control of polymer granulates and raw material identification. Polyethylene (PE) and polypropylene (PP) can be simultaneously identified. Additionally,…
Key words
density, densityinfrared, infrarednear, nearspectroscopy, spectroscopygranulate, granulategranulates, granulatesmodel, modelnirs, nirsvalues, valuesquantification, quantificationidentification, identificationspectral, spectralfom, fomverify, verifysnv