TETRAHYDROFURAN 1000 ug/mL Bioconjugation water) TO PASS TEST TO

water) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 5 ppm TITRABLE ACID 1

w/w) 22 28

Test Specification Min Max CHROMIUM (Cr) 995 - 1005 ppm 995 - 1005 ppm TRACEABLE TO NIST EXPIRATION DATE

Test Specification Min Max LAMBDA(MAX) IN METHANOL Approx

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

TETRAHYDROFURAN 1000 ug/mL Bioconjugation water) TO PASS TEST TO