Analysis of lignin in wood pulp
Applications | | Metrohm Instrumentation
NIR Spectroscopy
IndustriesMaterials Testing
ManufacturerMetrohm
Key wordslignin, pulp, paper, nir, hardwood, variations, softwood, absorbance, cakes, impractical, realtime, erroneous, reproduce, spectrophotometry, corrections, background, mill, method, averaging, pressed, can, spectra, sound, wood, description, averaged, wet, cellulose, suggest, saved, derivative, scattering, equation, appears, minimized, moisture, between, exact, follow, care, which, indicates, successful, proven, consuming, spectroscopy, more, ratios, special, taken
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Application Bulletin 412Analysis of pulp and paper using near-infrared spectroscopyContentsBranchPulp and paperNo. 1: Determining the percentage of softwood in pulpsamples................................................................................2KeywordsNear-infrared spectroscopy, paper, pulp,determination, kappa number, resin content.moistureNo. 2: Determining kappa number in blended wood pulpsamples................................................................................2No. 3: Monitoring kappa numbers in...
Key words
nir, nirpulp, pulprapidcontent, rapidcontentxds, xdsnirs, nirspaper, papersolids, solidsanalyzer, analyzerindicate, indicatekappa, kappasummary, summaryspectroscopy, spectroscopyrecommended, recommendedsampling, samplingmonitor
Determination of hardwood/softwood content in wood products by near-infrared spectroscopy
|Metrohm|Applications
Near-Infrared Spectroscopy Application Note NIR–9Determination ofhardwood/softwood content inwood products by near-infraredspectroscopyNear-infrared spectroscopy is ideally suited to monitor the hardwood andsoftwood content in pulp and paper products. The herein describedmethod bases on the fact that the changes in hardwood and softwoodcontent...
Key words
hardwood, hardwoodsoftwood, softwoodnir, nirwood, woodspectroscopy, spectroscopyabsorption, absorptioncontent, contentreflected, reflectedmicroscopist, microscopistinfrared, infraredlobes, lobesinverts, invertspaper, papernear, nearelongated
NIR Application Note NIR-32Determination of cotton linter towood ratio in celluloseThis Application Note shows that Vis-NIR spectroscopy can be used todetermine the cotton linter to wood ratio in cellulose samples. This ratio isimportant in pulp and paper industry and is...
Key words
linter, linterwood, woodnir, nirvis, viscotton, cottonpulp, pulpcellulose, celluloseviscosity, viscosityvisible, visiblesev, sevratio, ratiometrohm, metrohmspectroscopy, spectroscopychemometrical, chemometricalwavelength
NIR Application Note NIR-36Moisture content and pH valuein crude tall oil (CTO)This Application Note shows that near-infrared spectroscopy (NIRS) cansimultaneously determine water content and pH value in crude tall oil samples(CTO). This technology is a faster alternative to conventional lab...
Key words
nirs, nirssev, sevtall, tallmoisture, moistureregression, regressioncontent, contentxds, xdsspectroscopy, spectroscopysep, sepwood, woodwavelength, wavelengthmodel, modelinfrared, infraredcrude, crudemodels