İlaç uygulama performansının değerlendirilmesinde kalitatif ve kantitatif analiz yöntemlerinin incelenmesi

İlaçlama ünitelerinin uygulama performanslarını belirlemek için çeşitli kalitatif ve kantitatif yöntemler geliştirilmiştir. Uygulamalarda hata varyansını azaltmak için çok sayıda örneğin analizi yapıldığından, ölçüm yöntemlerinin pratik, kolay ve ekonomik olması arzu edilir. Kalitatif yöntemlerde ölçümler, görüntü işleme programlarıyla yapılmaktadır. Bu yöntemde örnekleme materyali olarak suya duyarlı, yağa duyarlı kartlar ve kromekote kartları kullanılmakta ve neme duyarlı olduklarından uygun olmayan şartlarda renk değiştirerek görüntü işleme kaliteleri bozulmaktadır. Kantitatif yöntemlerde ise filtre kağıdı, petri kabı ve bitki yaprağı gibi örnekleme materyalleri kullanılmakta ve uygulamalarda püskürtme sıvısına pestisit yerine gıda boyası karıştırılmaktadır. Bu yöntemde yüzeyden yıkanan maddenin bozulmadan tamamen çözücüye karışması, kullanılan örnekleme materyalinin özelliğine bağlıdır. Ayrıca uygulamadan sonra yüzeyde tutunan madde, açık havada solar radyasyona maruz kaldığından bozulabilmekte ve çözeltinin konsantrasyonu değişebilmektedir. Bu çalışmada kalitatif ve kantitatif analiz yöntemlerinde görüntü işleme kalitesini, renk maddelerinin bozulmasını ve renk maddelerinin geri kazanımını etkileyen faktörler literatür bilgileri ısığında derlenmiştir.

Investigation of qualitative and quantitative analysis methods in evaluating spray application performance

Various qualitative and quantitative methods were developed for the determination of spray application performance. These methods are desired to be practical, easy and economic because of analyzing lots of samples to decrease error variance. The measurements in quantitative methods were made with image processing software. Water-sensitive, oilsensitive and kromekote cards are used as sampling materials and their image processing quality is spoiled by changing color at the unsuitable conditions because of their sensitivity to humidity. Sampling materials such a filter paper, petri dishes and plant leaf are used in quantitative methods and food dye is mixed to spray liquid instead of pesticide in the spray application. At this method, the mixing of dye completely washed from surface without degradation, depends on the properties of the used sampling material. On the other hand, dye deposited on the surface after the application may be degraded due to its explosion to solar radiation at the open atmosphere and this can change the concentration of solution. In this study, the factors affecting the recovery of color dyes, degradation of dye materials and image processing quality in qualitative and quantitative methods were reviewed regarding up to date literatures.

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