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Batch Testing on the ORACLE with a Convection or Vacuum Oven
Before beginning any sample testing, ensure the product has been fully and properly prepared in order to obtain the
best results. Improper sample preparation or tempering can reduce accuracy and repeatability. For further
information on sample preparation, please refer to the standard reference procedure, or contact CEM Corporation
Process Application Support (800) 726-3331.
Batch testing is a procedure for temperature conditioning multiple samples simultaneously, followed by a rapid
NMR analysis on each individual sample after they have been conditioned for a set period of time. This process is
best suited for users with a large number of samples, and a work flow that requires less hands-on time from the
user, but may take longer over the course of testing every sample. The samples should only be dried using AOAC
approved (or similar) techniques to ensure complete sample dryness prior to analysis in the ORACLE. Failure to
completely dry the sample can lead to inaccurate readings by the ORACLE.
When testing with an Air Oven, the user can choose to use a balance connected to the ORACLE to record the initial
weights of the samples that will be analyzed, or use a separate balance to record the initial weights and manually
input them into the ORACLE after the sample moisture is recorded. If recording the weight separately, and drying
the samples before entering any information into the ORACLE, first follow the instructions in Step 7 after the Air
Oven analysis is complete, then begin at Step 1. If using the Balance connected to the ORACLE, or entering
information before the Air Oven analysis, simply begin at Step 1.
1. On the ORACLE, press the menu icon and choose
Run.
2. Press the large Run arrow to begin the sample
analysis procedure.
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