... crystal, crystalline powderAssay %99.0-101.099.0-101.0Acidity/basicityPass the testPass the testSulfide,≤%0.0150.015Heavy metal (Pb),≤%0.0010.0005Oxalate,≤%0 ... substancesup to specificationup to specificationChlorides,≤%0.0050.005Drying loss,%11.0-13.011.0-13.0pH-value (5 ... Na3C6H5O7·2H20Molecular Weight: 249.10Properties: colorless or white crystal granules or crystalline powder, odorless, soluble in ...