Quality Control of HDPE, LDPE, and PP

AN-NIR-082 Quality Control of Polypropylene Non-destructive determination of melt flow rate without rheological tests Summary As a general purpose resin, polypropylene (PP) is widely used in industries such as electronic manufacturing and construction, and is used in packaging materials due…

AN-NIR-081 Quality Control of Polyethylene Reliable determination of PE density within one minute using NIRS Summary Determination of the density of polyethylene (PE) (ASTM D792) is normally a challenging procedure due to reproducibility difficulties. Since this parameter is most frequently…

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)…

AN-NIR-064 Quality control of Ammonium Nitrate Rapid and non-destructive moisture determination Summary Specialty chemicals have to fulfill multiple quality requirements. One of these quality parameters, which can be found in almost all certificates of analysis and specifications, is the moisture…