The Rudolph Research J257 Wide Range Refractometer was developed by working together with laboratory refractometer users from the polymer, petroleum, petrochemical, pharmaceutical and essential oil ...
Refractometers are versatile in their design and use, and are able to provide results as refractive indices, or in other cases, as direct measurements of parameters such as soluble solids, sugar ...
Auto-refractometers are the norm at eye-testing centres and optical stores in the city, but the government is deploying them on field for the first time, making possible a State-wide eye screening ...
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