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Determination of the moisture and nitrogen contents of barley and malt by near infrared spectroscopy.

MBAA TQ vol. 33, no. 3, 1996, pp. 170-172. VIEW ARTICLE

Angelino, S.A.G.F. and European Brewery Convention Analysis Committee.

Abstract
The determination of the moisture and nitrogen contents of barley and malt by near infrared spectroscopy (NIRS) has been tested by the Analysis Committee of the European Brewery Convention. In the collaborative trial four samples of barley and malt were analyzed by 17 laboratories. Repeatability (r95) and reproducibility (R95) values of 0.3 and 1.5% m/m respectively were obtained for barley moisture over the range 12.7 to 15.8% m/m. For malt moisture these values were 0.2 and 1.3% m/m over the range 4.0 to 4.3% m/m, for barley nitrogen O.l and 0.3% m/m on dry matter over the range 1.57 to 2.14% m/m, and for malt nitrogen 0.1 and 0.2% m/m on dry matter over the range 1.58 to 1.82% m/m, respectively.
Keywords : analysis barley collaborative test malt moisture content NIR spectroscopy nitrogen content  

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