Specification of Citric Acid Monohydrate, BP98 Characters white,crystalline Content 99.5 – 101.0% Lossing on drying 7.5 – 9.0% Readily Carbonisable substances Not darker than the standard Sulphated ash ≤0.05% Solubility complies with the test Iron ≤10ppmChloride ≤50ppmOxalate ≤100ppmSulfate ≤150ppmHeavy Metal(as pb)≤10ppmArsenic ≤1ppmCalcium ≤200ppmBarium Pass the TestMercury ≤1ppmaluminium ≤0.2ppmBacteriaendotoxic≤0.5IU/mg