Brookfield YR-1 Rheometer Manuale Utente Scaricare il pdf (Pagina 41)

Brookeld Engineering Labs., Inc. Page 41 Manual No. M02-215-B0412

IV.3 Example Application: Ketchup

In this example, a name brand ketchup was tested and compared to a store brand ketchup. Vi-

sual examination of both products could distinguish no noticeable differences. Both tests were

run under exactly the same conditions using an HBYR-1 Rheometer with spindle V-72. See

Figure IV-3 for the test set up.

Signicant differences between the name brand and the store brand can be characterized by

such a test as shown in Figure IV-4. Both the slope of the stress/strain curves and the yield

points are clearly different.

Figure IV-3

Figure IV-4: Ketchup Comparison Samples

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Brookfield YR-1 Rheometer Manuale Utente Pagina 41