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ISU Grain Quality Laboratory Tests and Fee Schedules
   
Test Description
Price ($US)
Sampe Size (g)
Near-infrared (NIR) Composition (corn, soybeans) & Density (corn)1
4.75
400
NIR Fatty Acid Analysis (soybeans)
6.25
400
NIR Fatty Acid & Amino Acid (soybeans)
11.50
400
Density by Pycnometer
7.50
150
Breakage Susceptability (corn)
5.00
300
Seed Weight (seeds/lb. or 1,000 seed weight)
2.75
200
Test Weight
2.50
1,000
Thins (% kernels > 20/64 in.) (Corn)
3.25
200
 
Amino Acid Profile by Wet Chemistry
77.00
500
Fatty Acid Profile by Wet Chemistry
10.50
200
Stress Cracks2
5.75
2,000
U.S. Grain Grade2
15.00
2,000
1Corn - protein, oil, starch; Soybeans - protein, oil, fiber
2 Done by official grain inspection.
Contact:
Dr. Charles R. Hurburgh, Jr. Glen Rippke
1563 Food Sciences Building
Ames, Iowa 50011-1061
Telephone: (515)294-5387
Fax: (515)294-6383
e-mail: tatry@iastate.edu or rippke@iastate.edu
 
Link to Department of Agricultural and Biosystems Engineering  Link to CCUR  Link to College of Agriculture  Link to ISU Extension  Link to Plant Sciences Institute  Link to Food Science and Human Nutritition
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