Silica Gel For Chromatography200-500 Micron (35-70 Mesh) 90A Ultrapure size:100 GM 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

Test Specification Min Max ASSAY (CH[@4@]N[@2@]S

0� to -54

Test Specification Min Max APPEARANCE TAN TO BROWN PWD TAN TO BROWN PWD PARTICLE SIZE 40 - 80 MESH 40 - 80 MESH MOISTURE 10% MICROBIAL LIMITS: TOTAL PLATE COUNT 5000/g YEAST AND MOLD 100/g ESCHERICHIA COLI NEGATIVE SALMONELLA NEGATIVE

01% LOSS ON DRYING 10%

Silica Gel For Chromatography200-500 Micron (35-70 Mesh) 90A Ultrapure size:100 GM 3288 2-BUTANONE 100 ng/mL ACETONETest Specification Min Max pH OF A 1 IN 10 SUSPENSION 6. 5 7. 5 6. 5 7. 5 SURFACE AREA APPROX. 400m g APPROX. 400m g