tert-Butyldiphenylsilyl Trifluoromethanesulfonate 98+ Percent size:1 GM 0 % COLOR (APHA) 10

0 % COLOR (APHA) 10 SUBSTANCES REDUCING PERMANGANATE TO PASS TEST TO PASS TEST CARBON DIOXIDE (CO[@2@]) 20 ppm CHLORIDE (Cl) 500 ppb PHOSPHATE (PO[@4@]) 500 ppb TOTAL SULFUR (as SO[@4@]) 1 ppm ARSENIC AND ANTIMONY 50 ppb Aluminum (Al) 300 ppb BORON (B) 100 ppb CALCIUM (Ca) 300 ppb CHROMIUM (Cr) 200 ppb COPPER (Cu) 100 ppb GOLD (Au) 300 ppb IRON (Fe) 100 ppb LEAD (Pb) 200 ppb MAGNESIUM (Mg) 300 ppb MANGANESE (Mn) 200 ppb NICKEL (Ni) 100 ppb POTASSIUM (K) 300 ppb SODIUM (Na) 300 ppb TIN (Sn) 200 ppb TITANIUM (Ti) 300 ppb ZINC (Zn) 300 ppb PARTICLE COUNT (>/=1

DRIED BASIS) 44 47

0 % COLOR TO PASS TEST SPECIFIC GRAVITY TO PASS TEST IRON (Fe) 5 mg/kg LEAD (Pb) 1 mg/kg MERCURY 0

Test Specification Min Max ASSAY (DRIED BASIS) 98% WATER 18 - 22 % 18 - 22 %

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 98 100

tert-Butyldiphenylsilyl Trifluoromethanesulfonate 98+ Percent size:1 GM 0 % COLOR (APHA) 10Test Specification Min Max PURITY (NEUTRALIZATION TITRATION) 98. 00%