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International Starch Institute
Science Park Aarhus, Denmark
ISI 34-1e Determination of Baumé of Starch Slurry by Aerometer
| 1. Scope | The method is applicable to starch slurry
|
LT 15 Jan 1998 |
| 2. Principle | Slurry density is interpreted as concentration of slurry
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| 3. Apparatus | 3.1 Aerometer 0 - 10 Béo | |
| 3.2 Aerometer 0 - 25 Béo | ||
| 3.3 Cylinder, slim 100 ml
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| 4. Procedure | Keep aerometers floating in cylinder or bucket with water. | |
| Fill cylinder (3.3) to the brim with starch slurry. Immerse appropriate aerometer (3.1 or 3.2) and let float. | ||
| Read immediately the degree of Baumé on aerometer stem
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| 5. Calculation | Report reading as starch concentration in degree Baumé (Béo)
with one decimal
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| 6. Note | Entrapped air has to be released and starch re-slurred before aerometer is read. | |
| The centrifuge is superior to the aerometer as a process tool being indifferent to entrapped air and rapid settling starch. | ISI 33 | |
| With Beaumé as entry table values of density etc may be found | ISI Starch Slurry Viscosity Table |
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Keywords: laboratory method determination concentration Baumé starch slurry milk aerometer