Items Standard Appearance White to slightly creamy white hygroscopic powder or flakes Identification A An orange yellow precipitate is formed BA pale blue precipitate is formed CA deep red colour is produced PH1 in 20 3070 Water 50 Residue on ignition 01 Lead 10ppm Aldehydes 005 Hydrazine 1ppm Vinylpyrrolidone 02 2Pyrrolidone 30 Peroxidesas H2O2 400ppm Kvalue 270324 AssayNitrogen 115128 TAMC 1000 cfug TYMC 100 cfug Staphylococcus Aureus Negative in 10g Salmonella Negative in 10g Pseudomonas Aeruginosa Negative in 10g EColi Negative in 10g