Create Blank Correction File

A sample file must be created even if there is no sample or if the sample is non-porous.

A blank correction file contains analysis data using one of the following:

  • Mercury only (a blank run)
  • A nonporous sample of the same mass and material as the samples to be analyzed
  To be used as a correction file, the blank run should use the same analysis conditions and penetrometer properties as the sample analysis. Therefore, a separate blank correction file should be created for each type of sample and set of analysis conditions to be used.

No matter which type of blank correction run is used, the procedure is the same (follow the instructions for creating a sample file (even if there’s no sample), then run the analysis. (When the blank file’s sample file is created, select None for correction method.)

  1. Create the sample file. Enter zero for the sample mass.
  2. Perform the low and high pressure analysis. See Perform a Low Pressure Analysis and Perform a High Pressure Analysis.
  An alternative method for creating the blank correction file is to perform a High Pressure Differential analysis which analyzes the blank and sample simultaneously. See Perform a High Pressure Analysis.
 
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