Paste solids measurement in real time

Details Paste solids measurement in real time Paste solids measurement in real time

2007-11-13

2007-11-13

Toatley, Jr., Gregory (Department: 2877)

Optics: measuring and testing

Refraction testing

Reexamination Certificate

active

11010719

ABSTRACT:
A real-time method of determining paste solids includes: correlating the refractive index of a paste with solute concentration in a solvent using a plurality of paste solids concentrations, typically including at least two paste solids concentrations greater than about 5 percent; submersing a fiber optic refractometer sensor into a sample and allowing it to equilibrate for a period of from about 30 seconds to about 20 minutes prior to measuring refractive index of the sample; measuring the refractive index of the paste sample with the fiber optic refractometer sensor; and determining the concentration of solute in the sample using the correlation.

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Finch, C.A., ed. Polyvinyl Alcohol Developments. Wiley, 1992.

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