Acetonitrile Exceeds A.C.S. Specifications HPLC Grade size:1 LT Test Specification Min Max DNase

Test Specification Min Max DNase NONE DETECTED NONE DETECTED ENDONUCLASE NONE DETECTED NONE DETECTED RETEST DATE

Test Specification Min Max ASSAY 35

Test Specification Min Max ASSAY (S) APPROX

5� to 0� PHENOLS TO PASS TEST TO PASS TEST REFRACTIVE INDEX @ 20[dC 1

7 mcg/gr MICROBIAL LIMITS TO PASS TEST LOSS ON DRYING 6

Acetonitrile Exceeds A.C.S. Specifications HPLC Grade size:1 LT Test Specification Min Max DNaseTest Specification Min Max ASSAY (by GC) 99. 90% ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) @ 190 nm 1 @ 200 nm 0. 05 @ 210 nm 0. 04 @ 220 nm 0. 02 @ 230 nm 0. 01 @ 235 400 nm 0. 005 COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 2 ppm TITRABLE ACID 8 ueq g TITRABLE BASE 0. 6 ueq g LC GRADIENT ELUTION SUITABILITY TO PASS TEST TO PASS TEST WATER 0. 02% RETEST DATE