The sugar content of a solution obtained by use of refractometry with the ICUMSA table is often reported as “Refractometric Dry Substance” (RDS) which could be thought of as an equivalent sucrose content. Where it is desirable to know the actual dry solids content, empirical correction formulas can be developed based on calibrations with solutions similar to those being tested. For example, in sugar refining, dissolved solids can be accurately estimated from refractive index measurement by the Schmidt + Haensch iPR Series.
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