Polymer & Polyol Analysis
Aplikace | 2022 | MetrohmInstrumentation
NIR Spektroskopie
IndustriesPrůmysl a chemie
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, samplingmonitor, monitorrecommended, recommendedxds, xdsresults, resultsnirs, nirspolymer, polymerinfrared, infraredused, usednear
Near-infrared analysis of polyols
|Metrohm|Aplikace
Near-Infrared Spectroscopy Application Note NIR–6 Near-infrared analysis of polyols This Application Note describes a fast, nondestructive, and reliable NIRS method for the determination of the hydroxyl number in polyols. Results are available in real-time, for which reason NIRS is highly…
Key words
hydroxyl, hydroxylpolyols, polyolsnumber, numbernir, nirpolyol, polyolxds, xdsend, endoxides, oxidesnirs, nirssecondary, secondaryprimary, primarygroups, groupsinfrared, infraredamines, aminesmoisture
Quality Control of Polyols
2021|Metrohm|Aplikace
AN-NIR-035 Quality Control of Polyols Chemical-free determination of Hydroxyl Number according to ASTM D6342-12 Summary Toxic and corrosive chemicals such as p-toluenesulfonyl isocyanate (TSI) and tetrabutylammonium hydroxide are used for the Hydroxyl Number analysis of polyols by titration according to…
Key words
metrohm, metrohmxds, xdsrapidliquid, rapidliquidanalyzer, analyzernir, nirpolyols, polyolssimple, simpleper, pernirs, nirstoluenesulfonyl, toluenesulfonyltransmission, transmissionnumber, numbertsi, tsicosts, costsvialheater
Simultaneous determination of multiple quality parameters of polyols using Vis-NIR spectroscopy
2018|Metrohm|Aplikace
NIR Application Note NIR–065 Simultaneous determination of multiple quality parameters of polyols using Vis-NIR spectroscopy This Application Note demonstrates different application possibilities of Metrohm Vis-NIR analyzers for the determination of multiple quality parameters of polyols. This unique analytical technique enables…
Key words
nir, nirpolyols, polyolssecv, secvquality, qualitywavelength, wavelengthsep, sephydroxyl, hydroxylranges, rangesfigures, figuresrapidliquid, rapidliquidregression, regressionxds, xdsparameters, parametersmerit, meritvalues
