Elohopea ###>The polymers containing substituted anhydroglucose units with the general formula: C6H7O2(OR1)(OR2)(OR3) where R1, R2 and R3 may be any of the following: H CH2COONa CH2COOH Molecular weight Assay Description Slightly hygroscopic, white to off white, odourless powder Identification Precipitate formation