Methylene Chloride Hydrocarbon Stabilized Exceeds A.C.S. Specifications BioSolv(R) Hypervalent Iodine Compounds 02% IODIDE (I) TO PASS

02% IODIDE (I) TO PASS TEST TO PASS TEST NITROGEN COMPOUNDS (as N) 0

0 CHLORIDE (Cl) 25

(in TOLUENE) 507 (354) nm 507 (354) nm

005 RESIDUE AFTER EVAPORATION 1 ppm LIQUID CHROMATOGRAPHY NO UV ABSORBING NO UV ABSORBING EXPIRATION DATE

Methylene Chloride Hydrocarbon Stabilized Exceeds A.C.S. Specifications BioSolv(R) Hypervalent Iodine Compounds 02% IODIDE (I) TO PASSTest Specification Min Max ASSAY (by GC) 99. 90% APPEARANCE CLEAR CLEAR COLOR (APHA) 10 ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 1 ppm TITRABLE ACID 0. 0003 meq FREE HALOGENS TO PASS TEST TO PASS TEST WATER 30 ppm RETEST DATE