Comparison of two methods to measure the mean release rate of Shin-Etsu products: gas chromatography and residual weighing


Abstract: Gas chromatographic analysis is the best methodology to control the release performance of pheromone products for mating disruption. However this analysis requires accredited laboratories, is not quick and has high cost/sample. Here, gravimetry is proposed as proper technique for an accurate, quick and feasible evaluation of the release of Shin-Etsu dispensers. In this work, Emilia-Romagna region official data are compared with CBC internal ones for IsomateĀ® OFM rosso and IsonetĀ® L. Correlation between GC and gravimetry is also verified. Results permit to validate gravimetric analysis as alternative and reliable method to predict the GC release by weighing for Shin-Etsu dispenser.

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