Sodium Hydrogen Fumarate size:50 GM 016 REFRACTIVE INDEX @ 20

016 REFRACTIVE INDEX @ 20

Test Specification Min Max PRASEODYMIUM 995 - 1005 ppm 995 - 1005 ppm TRACEABLE TO NIST 3142 3142 EXPIRATION DATE

5 RESIDUE ON IGNITION 40 - 50 % 40 - 50 % RESIDUE ON IGNITION 40 - 50 % 40 - 50 % SPECIFIC ROTATION [a][@D@] +75

Test Specification Min Max ACTUAL LOT ANALYSIS : ANTIMONY (Sb) ARSENIC (As) BERYLLIUM (BE) CADMIUM (Cd) CALCIUM (Ca) CHROMIUM (Cr) COBALT (Co) COPPER (Cu) IRON LEAD (Pb) MAGNESIUM (Mg) MANGANESE (Mn) MOLYBDENUM (Mo) NICKEL (Ni) SELENIUM (Se) THALLIUM (Tl) TITANIUM (Ti) VANADIUM (V) ZINC (Zn) EXPIRATION DATE

Test Specification Min Max APPEARANCE YELLOWISH POWDER YELLOWISH POWDER ASSAY 95% 95%

Sodium Hydrogen Fumarate size:50 GM 016 REFRACTIVE INDEX @ 20Test Specification Min Max ASSAY APPROX. 98 APPROX. 98