Investigation of Ammonium Hydroxide Effect on Bzbp Extraction from Milk Samples
2024
Kostić Kokić, I. | Anđelković, T. | Bogdanović, D.
In this study, the influence of ammonium hydroxide addition on benzyl butyl phthalate (BzBP) extraction from milk samples was investigated. Effects of ammonium hydroxide were studied using spiked milk samples with known amount of BzBP standard solution in concentration range 0.25 to 1.25 mg L-1. Ammonium hydroxide was added before extraction step. BzBP determination was carried out using gas chromatography – mass spectrometry (GC-MS). Obtained results indicate that extraction method which included addition of ammonium hydroxide showed higher mean recovery value for samples with lower concentration of BzBP than extraction without addition of ammonium hydroxide, while in case of samples with higher concentration of BzBP, recovery values were slightly lower. The recoveries were 23.12% to 27.87% for samples treated by extraction procedure without addition ammonium hydroxide, and in range 40.03% to 25.55% for samples treated by extraction procedure with addition of ammonium hydroxide.
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Editeur Vinča Institute of Nuclear Sciences – National Institute of the Republic of Serbia, University of Belgrade
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