Citric acid monohydrate Item BP2008 USP30 Test Result 1 Definition Test passed Test passed 2 Characteristics Colorless crystals Colorless crystals Colorless crystals 3 Identification Test passed Test passed Test passed 4 Clarity of solution Test passed Test passed 5 Color of solution Test passed Test passed 6 Readily carbonisable substance Test passed Test passed Test passed 7 Oxalates 350 ppm max Test passed < 350 ppm 8 Sulphates 150 ppm max Test passed < 150 ppm 9 Heavy metals (As PB) 10 ppm max 10 ppm max < 10 ppm 10 Water 7.5%-9% < 8.8% 8.55% 11 Sulphated ash 0.1% max 0.05% max 0.02% 12 Bacterial endotoxins 0.5 I.U./Mg max < 0.5 I.U./Mg 13 Aluminium 0.2 ppm max < 0.2 ppm 14 Arsenide ≤3 ppm max ≤3 ppm max 15 Organic volatile impurities Test passed Test passed 16 Content 99.5%-101.0% 99.5%-100.5% 99.9%