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Intrinsic viscosity (IV) determination of recycled PET by NIR spectroscopy

 

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Quality Control of PET
2020|Metrohm|Applications
AN-NIR-023 Quality Control of PET Determination of diethylene glycol, isophthalic acid, intrinsic viscosity, and acid number within one minute with NIRS Summary Determination of the diethylene glycol content, isophthalic acid content, intrinsic viscosity (ASTM D4603), and the acid number (AN)…
Key words
metrohm, metrohmerror, errormerit, meritfigures, figuresisophthalic, isophthalicdissolve, dissolvecross, crossstandard, standardresult, resultvalidation, validationviscometry, viscometryvalue, valuediethylene, diethylenesimple, simpleintrinsic
Quality Control of Polyamides
2020|Metrohm|Applications
AN-NIR-060 Quality Control of Polyamides Determination of viscosity, functional groups, and moisture within one minute using NIR Spectroscopy Summary Functional group and viscosity analysis (ASTM D789) of polyamides can be a lengthy and challenging process due to the sample’s limited…
Key words
metrohm, metrohmerror, errormerit, meritfigures, figurestitration, titrationcross, crossstandard, standardresult, resultvalidation, validationend, endgroup, groupcarboxyl, carboxylsimple, simplevalue, valuenir
Application Note AN-NIR-118 Quantification of cotton content in textiles by near-infrared spectroscopy Fast, non-destructive determination of cotton with NIRS Cotton and polyester are two of the most popular fiber composition. The procedures for the fabrics for creating garments. Polyester is…
Key words
cotton, cottonprediction, predictionspectroscopy, spectroscopynir, nirgranulates, granulatestextile, textilepolyester, polyestersimple, simplevision, visionmodel, modelproduction, productioncomplete, completefiber, fibertooperate, tooperateinfrared
Quality Control of Silicone rubber
2020|Metrohm|Applications
AN-NIR-084 Quality Control of Silicone rubber Fast determination of vinyl content without chemicals Summary Determination of the vinyl content of silicone rubber is a lengthy and challenging process. First, the vinyl groups must be converted to ethylene by reacting with…
Key words
metrohm, metrohmvinyl, vinylsimple, simplecup, cupnir, nirspectroscopy, spectroscopyday, dayerror, errormanagement, managementslurry, slurryapplication, applicationdemonstrates, demonstratessql, sqlequipment, equipmentcontent
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