1-Nitroanthraquinone N-Substituted Maleimides 000/g COLIFORM 100/g YEAST AND

000/g COLIFORM 100/g YEAST AND MOLD 500/g ESCHERICHIA COLI NEGATIVE

50% INSOLUBLE SUBSTANCES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES: LEAD (Pb) AS REPORTED AS REPORTED MERCURY (Hg) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

01 COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 1 ppm TITRABLE ACID 0

Test Specification Min Max NIOBIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3137 3137 EXPIRATION DATE

00% LEAD (Pb) 2 mg/kg INSOLUBLE SUBSTANCES 0

1-Nitroanthraquinone N-Substituted Maleimides 000/g COLIFORM 100/g YEAST ANDTest Specification Min Max PURITY (GC) 98. 00% MELTING POINT 230. 0 234. 0C 230. 0 234. 0C