Acetone Electronic/Cleanroom Grade Boron Trihalides 10% RESIDUAL SOLVENTS TO PASS

10% RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST BACTERIAL ENDOTOXINS 2

05% ARSENIC (As) 3 ppm ELEMENTAL IMPURITIES: CADMIUM (Cd) AS REPORTED AS REPORTED LEAD (Pb) AS REPORTED AS REPORTED MERCURY (Hg) AS REPORTED AS REPORTED REDUCING SUBSTANCES 1

Test Specification Min Max ASSAY (DRIED BASIS) 97 101

Test Specification Min Max APPEARANCE BEIGE POWDER BEIGE POWDER

00% HYDROXYL VALUE 218 238 ACID VALUE 2 IODINE VALUE 5 RESIDUE ON IGNITION 0

Acetone Electronic/Cleanroom Grade Boron Trihalides 10% RESIDUAL SOLVENTS TO PASSTest Specification Min Max ASSAY [(CH[@3@])[@2@]CO] 99. 50% SOLUBILITY IN WATER TO PASS TEST TO PASS TEST COLOR (APHA) 10 ACIDITY 0. 3 ueq g ALKALINITY 0. 5 ueq g WATER 0. 50% RESIDUE AFTER EVAPORATION 5 ppm CHLORIDE (Cl) 200 ppb PHOSPHATE (PO[@4@]) 100 ppb ARSENIC AND ANTIMONY (as AS) 10 ppb Aluminum (Al) 100 ppb BORON (B) 100 ppb CALCIUM (Ca) 100 ppb CHROMIUM (Cr) 100 ppb COPPER (Cu) 100 ppb GOLD (Au) 100 ppb IRON (Fe) 100 ppb LEAD (Pb) 100 ppb