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Apple Juice

Apple Juice Full Image

Apple juice is consumed as a beverage.

Viscometer or Rheometer 
Spring Torque Range: LV 
Spindle: YULA-15E 

Enhanced UL Adapter (ULA-EY), 
TC-650SD Programmable Refrigerated Bath 
Speed: 50, 75 and 100 rpm

The Enhanced UL Adapter may be used with various Brookfield Viscometers or Rheometers.  In our example, we used a Brookfield DV3TLV, with RheocalcT software for automated instrument control and data acquisition.  Our test temperatures of 4°C and 25°C were maintained by direct immersion of the Enhanced UL Adapter sample chamber into a TC-650SD Programmable Refrigerated Bath.  Representative data from the analyses are shown in Figure 1.

Apple Juice Graph
Figure 1

Figure 1 graph shows relatively constant viscosities at 4°C (Blue Data: 2.5cP) and 25°C (Red Data: 1.4cP) over the speed range tested.  This type of flow behavior is referred to as “Newtonian”.  The graph also shows that the apple juice viscosity is higher at 4°C, than at 25°C.  Increasing temperature typically decreases the viscosity of a given substance.

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