Povidone K-30, USPTest Specification Min Max K VALUE 27. 0 32. 4 pH OF A 5% SOLUTION 3. 0 5. 0 NITROGEN CONTENT 11. 5 12. 8 % ALDEHYDE 0. 05 % FORMIC ACID 0. 5 % HYDRAZINE 1 ppm LEAD (Pb) 10 ppm PEROXIDE (H[@2@]O[@2@]) 400 ppm 2 PYRROLIDONE 3. 0 % RESIDUE ON IGNITION 0. 1 % VINYLPYRROLIDONE 0. 001 % WATER DETERMINATION 5. 0 % ELEMENTAL IMPURITIES AS REPORTED IDENTIFICATION (A) SPECTRUM SPECTRUM IDENTIFICATION (B) ORANGE ORANGE IDENTIFICATION (C) PALE BLUE PALE BLUE