Application of fractional factorial design and Doehlert matrix in the optimization of experimental variables associated with the ultrasonic-assisted acid digestion of chocolate samples for aluminum determination by atomic absorption spectrometry - Jalbani, N; Kazi, T.G; Jamali, M.K; Arain, M.B; Afridi, H.I; Sheerazi, S.T; Ansari, R (Journal of AOAC International, 2007)
Keywords: Acids; Acids - chemistry; Algorithms; Aluminum; Aluminum - analysis; analysis; atomic absorption spectrometry; Atomic absorption spectroscopy; Biological and medical sciences; Cacao; Cacao - chemistry; candy; Candy - analysis; chemistry; Chocolate; Confectionery products and chocolate industries, honey; Data Interpretation, Statistical; exchangeable aluminum; Factorial experiment designs; Food; food analysis; Food industries; food matrix; Fundamental and applied biological sciences. Psychology; Hydrolysis; Identification and classification; Indicators and Reagents; Matrices; Methods; multivariate analysis; Spectrophotometry, Atomic; Testing; trace elements; ultrasonic treatment; Ultrasonics; Pakistan; Variable; Sample; Acid digestion; Chocolate; Factorial design; Application; Chocolates; Optimization; Atomic absorption spectrometry