TY  - JA
AU  - Fontaine,J.
AU  - Horr,J.
AU  - Schirmer,B.
TI  - Amino acid contents in raw materials can be precisely analyzed in a global network of near-infrared spectrometers:  collaborative trials prove the positive effects of instrument standardization and repeatability files
PY  - 2004///
KW  - Amino acids
KW  - Check cell
KW  - Collaborative trial
KW  - Crude protein
KW  - Cystine
KW  - Host NIRS
KW  - Lysine
KW  - Master NIRS
KW  - Methionine
KW  - NIRS calibration
KW  - Precision
KW  - Repeatability file
KW  - Reproducibility
KW  - Ring test
KW  - Standardization of NIR spectrometer
KW  - Threonine
KW  - Tryptophan
KW  - WinISI
N1  - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0021-8561
N2  - Four international ring trials for NIRS amino acid analysis of feed raw materials have demonstrated for the first time that the calibrations developed by Degussa allow reliable and precise predictions of essential amino acids in up to 44 NIR spectrometers. Different standardization techniques were compared, and the effectiveness of using spectra of the host instruments as repeatability files was studied. The ultimately achieved reproducibility of 2-3% CV for almost all analyses in the network is considerably better than ring trial results for wet chemical amino acid analysis
T2  - Journal of Agricultural and Food Chemistry
DO  - https://doi.org/10.1021/jf030555o
ER  -