Analysis of lignin in wood pulp
Applications | | MetrohmInstrumentation
NIR Spectroscopy
IndustriesMaterials Testing
ManufacturerMetrohm
Key wordslignin, pulp, paper, nir, hardwood, variations, softwood, absorbance, cakes, impractical, realtime, erroneous, reproduce, background, corrections, spectrophotometry, method, mill, can, pressed, averaging, spectra, sound, wood, description, averaged, wet, cellulose, derivative, saved, suggest, appears, minimized, equation, scattering, moisture, between, exact, follow, care, which, consuming, proven, indicates, successful, spectroscopy, more, clear, ratios, taken
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Analysis of pulp and paper using near-infrared spectroscopy
|Metrohm|Guides
Application Bulletin 412 Analysis of pulp and paper using near-infrared spectroscopy Contents Branch Pulp and paper No. 1: Determining the percentage of softwood in pulp samples................................................................................2 Keywords Near-infrared spectroscopy, paper, pulp, determination, kappa number, resin content. moisture No. 2: Determining…
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–9 Determination of hardwood/softwood content in wood products by near-infrared spectroscopy Near-infrared spectroscopy is ideally suited to monitor the hardwood and softwood content in pulp and paper products. The herein described method bases on the fact…
Key words
hardwood, hardwoodsoftwood, softwoodnir, nirwood, woodspectroscopy, spectroscopyabsorption, absorptioncontent, contentreflected, reflectedmicroscopist, microscopistinfrared, infraredlobes, lobesinverts, invertspaper, papernear, nearminima
Determination of cotton linter to wood ratio in cellulose
|Metrohm|Applications
NIR Application Note NIR-32 Determination of cotton linter to wood ratio in cellulose This Application Note shows that Vis-NIR spectroscopy can be used to determine the cotton linter to wood ratio in cellulose samples. This ratio is important in pulp…
Key words
linter, linterwood, woodnir, nirvis, viscotton, cottonpulp, pulpcellulose, celluloseviscosity, viscosityvisible, visiblemetrohm, metrohmsev, sevratio, ratiochemometrical, chemometricalspectroscopy, spectroscopywavelength
Vis-NIR spectroscopic analysis of wood pulps for multiparameter prediction
|Metrohm|Applications
NIR Application Note NIR-39 Vis-NIR spectroscopic analysis of wood pulps for multiparameter prediction This Application Note shows that visible near-infrared spectroscopy (Vis-NIRS) can simultaneously determine six pulp parameters (kappa number (titration), applied density (densimeter), pulp freeness (CSF), breaking strength (SCT),…
Key words
strength, strengthfreeness, freenesssecv, secvkappa, kappanumber, numberbuckling, bucklingfactors, factorsvis, vissec, sectensile, tensilepulp, pulppulps, pulpsnirs, nirswood, woodbreaking
