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Find helpful webinars covering topics like LC troubleshooting, method development, polar compound analysis, preparartive-scale separations, and more.
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LC Applications for USP Assays
Navigating USP monographs can be a challenge, but these 15 LC Application Briefs make many QA/QC methods easy to implement in your lab.
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A Guide to USP-NF 621 Allowable Changes in Chromatography Method
Optimize your USP methods by consulting this quick reference chart to explore allowable changes to isocratic and gradient HPLC methods.
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Limit of Cetyl Alcohol and Aliphatic Alcohol Impurities According to USP
Cetyl alcohol is a common additive in foods, cosmetics, and personal care products (e.g., lotions and creams). This application note shows the performance of the PerkinElmer GC 2400 System with FID for the analysis of residual impurities in cetyl alcohol according to the USP monograph, while offering enhanced compound resolution and highly repeatable injections.
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Limit of Ethylene Glycol and Diethylene Glycol in Polyethylene Glycol 400 according to USP Monograph
Polyethylene glycol (PEG) is one of the most popular polymeric materials with diverse industrial/biological/medical applications. This application note reports the results from the analysis of Ethylene Glycol and Diethylene Glycol in Polyethylene Glycol 400 sample that meets USP requirements and shows improved productivity and optimized lab time.
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Limit of Diethylene Glycol and Ethylene Glycol according to USP Propylene Glycol Monograph
Ethylene glycol and diethylene glycol are considered toxic to human health and both are commonly present as impurities in propylene glycol. This application note shows the performance of the PerkinElmer GC 2400™ System with FID for the analysis of propylene glycol quality according to the updated USP monograph, while demonstrating superior performance and a 40% improvement to the required resolution.
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