FAQ: My client is looking for a source for testing lab for the Opacity testing of liquor. He is unable to send sample to his existing source in the U.S. Can you advise on this application?

Answer:

Liquor is typically a transparent liquid and can be highly chromatic. Usually we interpret opacity with near-opaque materials measured in reflectance.

A counter interpretation for measuring "Opacity" of a chromatic, transparent liquid would typically be a Y% transmittance D65/10 or C/2 value for the liquor sample measured at a defined cell path length.

The typical color quality concern being measured would be lot-to-lot consistency in the liquor product and it would be product specific.

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