One thing that has come up recently is the accuracy of machinist's refractometers.

In order to get an accurate reading out of your refractometer, a regular caliboration check is needed.

REMEMBER: pure water = a Refract of 0

-Coolantman

Jonathan Ballard
EnviroServe Chemicals, Inc.
www.EnviroServeChemicals.com
(910) 892-1791