Silica Gel Reversed Phase Octadecyl (C18) 40-63 Micron Ultrapure California Precursor Chemicals 3288 2-BUTANONE 100 ng/mL ACETONE

3288 2-BUTANONE 100 ng/mL ACETONE 50 ng/mL METHYL ISOAMYL KETONE 50 ng/mL ALL OTHER DETECTABLE KETONES 50 ng/mL DICHLOROMETHANE 50 ng/mL CHLOROFORM 50 ng/mL CARBON TETRACHLORIDE 50 ng/mL ALL OTHER DETECTABLE CHLOROHYDROCARBONS 50 ng/mL PENTANE 50 ng/mL HEXANE 50 ng/mL HEPTANE 50 ng/mL ISOOCTANE 50 ng/mL ALL OTHER DETECTABLE ALKANES 50 ng/mL ALL OTHER DETECTABLE PEAKS (AS HEXANE) 50 ng/mL WATER (KARL FISHER) 0

00% GAMMA-TERPINEOL 8 14

70% RESIDUE AFTER EVAPORATION 5 ppm WATER 0

Test Specification Min Max IRON (Fe) 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3126 3126 EXPIRATION DATE

4 % w/v 10 +/- 0

Silica Gel Reversed Phase Octadecyl (C18) 40-63 Micron Ultrapure California Precursor Chemicals 3288 2-BUTANONE 100 ng/mL ACETONETest Specification Min Max CARBON (C) APPROX. 10 % APPROX. 10 % LOADING APPROX. 0. 6 mmol APPROX. 0. 6 mmol