Mid-infrared diffuse reflectance spectroscopy: Is sample dilution with KBr necessary, and if so, when?

American Laboratory

Volumn 35, Issue 8, 2003, Pages 24-28

  Reeves III, James B ^a  

^a AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL BONDS; COMPOSITION; DIFFUSION; FOURIER TRANSFORM INFRARED SPECTROSCOPY; LEAST SQUARES APPROXIMATIONS; REFLECTION; SUSPENSIONS (FLUIDS);

ATTENUATED TOTAL REFLECTION (ATR); DIFFUSE REFLECTANCE INFRARED FOURIER TRANSFORM SPECTROSCOPY (DRIFTS); MID-INFRARED (MIDIR) SPECTROSCOPY; SPECTRAL DISTORTIONS;

INFRARED SPECTROSCOPY;

EID: 8744301817     PISSN: 00447749     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Review

References (17)

1. Burns DA, Ciurczak EW. Handbook of near-infrared analysis. 2nd ed., revised and expanded. Burns DA, Ciurczak EW, eds. New York: Marcel Dekker, Inc., 2001.
2. Murray I, Williams PC. Chemical principles of near-infrared technology. In: Williams P, Norris K, eds. Near-infrared technology in the agricultural and food industries. St. Paul, MN: American Association of Cereal Chemists, Inc., 1987; chap. 2, pg. 17.
3. Colthup NB, Daly LH, Wiberley SE. Introduction to infrared and Raman spectroscopy. San Diego, CA: Academic Press, Inc., 1990.
4. Reeves III, JB. Near versus mid-infrared spectroscopy for quantitative analysis of chlorite treated forages and byproducts. J Near Infrared Spectrosc 1994; 2:153-62.
5. PLSplus V2.1G. Galactic Industries Corp., Salem, NH, 1992.
6. Reeves III JB, Delwiche SR. Determination of protein in ground wheat samples by mid-infrared diffuse reflectance spectroscopy. Appl Spectros 1997; 51:1200-04.
7. Reeves III JB, McCarty GW, Reeves VB. Mid-infrared diffuse reflectance spectroscopy for the quantitative analysis of agricultural soils. J Agric Food Chem 2001; 49:766-72.
8. Reeves III JB, McCarty GW, Meisinger JJ. Near-infrared reflectance spectroscopy for the analysis of agricultural soils. J Near Infrared Spectrosc 1999; 7:179-93.
9. Reeves III JB, McCarty GW, Mimmo TV, et al. Spectroscopic calibrations for the determination of carbon in soils. Transactions of the 17th World Congress of Soil Science, 2002, Symp. 10, paper 398, 1-9.
10. Smith BC. Fundamentals of Fourier transform infrared spectroscopy. Boca Raton, FL: CRC Press, Inc., 1996:114-17.
11. Reeves III JB, Reeves VB. Effects of spectral parameters (frequency of background spectra) and instrument functions (apodization type, zero filling, and Kubelka-Munk versus absorbance transformation) on mid-infrared calibrations for feed composition. Spectrosc Lett 2002, 35:663-80.
12. Olinger JM, Griffiths PR. Effects of sample dilution and particle size/morphology on diffuse reflectance spectra of carbohydrate systems in the near- and mid-infrared. Part I: single analytes. Appl Spectros 1993; 47:687-94.
13. Olinger JM, Griffiths PR. Effects of sample dilution and particle size/morphology on diffuse reflectance spectra of carbohydrate systems in the near- and mid-infrared. Part II: durum wheat. Appl Spectros 1993; 47:695-701.
14. McClure WF, Maeda H, Dong J, Liu Y, Ozaki Y. Two-dimensional correlation of Fourier transform nearinfrared and Fourier transform Raman spectra I: mixtures of sugar and protein. Appl Spectros 1996; 50:467-75.
15. Barton II FE, Himmelsbach DS, Duckworth JH, Smith MJ. Two-dimensional vibration spectroscopy: correlation of mid- and near-infrared regions. Appl Spectros 1992; 46:420-9.
16. Barton II FE, Himmelsbach DS. Two-dimensional vibration spectroscopy II: correlation of the absorptions of lignins in the mid- and near-infrared. Appl Spectros 1993; 47:1920-5.
17. Barton II FE, Himmelsbach DS, Archibald D. Twodimensional vibration spectroscopy V: correlation of mid- and near-infrared of hard red winter and spring wheat. J Near Infrared Spectrosc 1996; 4:139-52.