Determination of sun protection factor in creams using visible near-infrared spectroscopy

NIR Application Note NIR–055 Determination of water content in moisturizing skin creams using near-infrared spectroscopy water content Near-infrared spectroscopy (NIRS) was used as an analysis method for quality control of skin creams. A model for the quantification of the water…

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…

AN-NIR-054 Quality Control of Shampoo Chemical-free and fast determination of surfactants in shampoo Summary Determination of sodium laureth sulfate (SLES), cocamidopropyl betaine (CABP), cocamidopropylamine oxide (CAW), cocamide diethanolamine (DEA), and carbopol in shampoo is a cost- and time-intensive process due…

NIR Application Note NIR–47 Quality control of an active ingredient in hair creams using near-infrared spectroscopy Visible Near-infrared (Vis-NIR) spectroscopy is a valuable chemical analysis tool that can be used to determine quality parameters of hair creams. A qualitative method…