Direct determination of moisture in powder milk using near infrared spectroscopy.

Direct determination of moisture in powder milk using near infrared spectroscopy. Research Abstract Details 

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Direct determination of moisture in powder milk using near infrared spectroscopy. Abstract Text:

R Nagarajan,Parul Singh,Ranjana Mehrotra,

Moisture content in commercially available milk powder was investigated using near infrared (NIR) diffuse reflectance spectroscopy with an Indian low-cost dispersive NIR spectrophotometer. Different packets of milk powder of the same batch were procured from the market. Forty-five samples with moisture range 4-10% were prepared in the laboratory. Spectra of the samples were collected in the wavelength region 800-2500 nm. Moisture values of all the samples were simultaneously determined by Karl Fischer (KF) titration. These KF values were used as reference for developing calibration model using partial least squares regression (PLSR) method. The calibration and validation statistics are R cal2:0.9942, RMSEC:0.1040, and R val2:0.9822, RMSEV:0.1730. Five samples of unknown moisture contents were taken for NIR prediction using developed calibration model. The agreement between NIR predicted results and those of Karl Fischer values is appreciable. The result shows that the instrument can be successfully used for the determination of moisture content in milk powder.

Direct determination of moisture in powder milk using near infrared spectroscopy. Publishing Authors By Initials

R Nagarajan,P Singh,R Mehrotra,

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Direct determination of moisture in powder milk using near infrared spectroscopy. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of automated methods & management in chemi

VOLUME: 2006

Page Numbers: 51342

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ISSN: 1463-9246

DAY: 2

MONTH: 08

YEAR: 2006

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LANGUAGE: eng

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AFFILIATION: Optical Radiation Standards National Physical Laboratory K. S. Krishnan Road New Delhi 110012 India.

Country: United States

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MEDLINETA: J Autom Methods Manag Chem

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