DEAE Dextran 500000 Structure of Chemicals Test Specification Min Max ASH

Test Specification Min Max ASH CONTENT 5% LOSS ON DRYING 10%

20% 1-(PHENYLAZO)-2-NAPHTHOL 3% 1-{[2-(PHENYLAZO)PHENYL]AZO}-2-NAPHTHALENOL 2% LEAD (Pb) 20 ppm ARSENIC (As) 3 ppm CERTIFIED HALAL MERCURY 1 ppm FDA LOT NUMBER EXPIRATION DATE

Test Specification Min Max ABSORPTION MAX 620 - 630 nm 620 - 630 nm VISUAL TRANSITION INTERVALS pH 0

Test Specification Min Max ASSAY (HPLC) 94% MELTING POINT 286

DEAE Dextran 500000 Structure of Chemicals Test Specification Min Max ASHTest Specification Min Max APPEARANCE White to off whi White to off whi pH OF A 5% SOLUTION 5. 0 7. 0 5. 0 7. 0 NITROGEN CONTENT 3. 0 3. 8 % 3. 0 3. 8 % SPECIFIC VISCOSITY[n(C = 1; 1M NaCl @ 25[dC) 0. 4 0. 6 0. 4 0. 6 TITRATION WITH 1N NaOH TO PASS TEST TO PASS TEST COLOR (5% SOLUTION, 375 NM) 0. 2 AU 0. 2 AU FREE DEAE Cl 0. 00% SULFATED ASH 2. 00% LOSS ON DRYING 10%