Can the Refractometer, Automotive differentiate between Ethylene glycol and Propylene glycol?

Document ID

Document ID TE7834

Version

Version 2.0

Status

Status Published

Published Date

Published Date 10/16/2018
Question
Can the Refractometer, Automotive differentiate between Ethylene glycol and Propylene glycol?
Summary
Ethylene glycol and Propylene glycol on Refractometer, Automotive
 
Answer
The Refractometer, Automotive (Product # 2300055) does not differentiate between Ethylene glycol and Propylene glycol. There are two separate functions available for each parameter, however, the results determined are based off the refractive index of the solution compared against distilled water. If, for example, the solution contained both Ethylene glycol and Propylene glycol, each substance could not be analyzed independently.
 

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