... paper bag or 1mt big bag with PE liner.Name of indexBP98E-332(ii)DescriptionWhite, hygroscopic, granular powder or transparent ... crystalsIdentificationPositive tests for citrate and for potassiumAppearance of solutionClear and colourless--Assay(on anhydrous basis),%99.0—101 ... °C,4h)4.0-7.0≤6%pH(5% aqueous solution)7.5-9.0Arsenic(As),≤ppm--1Lead(Pb),≤ppm--1Mercury ...