Sulfuric Acid TraceGrade N-Protected Amino Acids 10 VISCOSITY 40

10 VISCOSITY 40

99% APPROX

20% LEAD (Pb) 2 mg/kg RESIDUE ON IGNITION 0

04% SULFATES (SO[@4@]) TO PASS TEST TO PASS TEST AMMONIUM SALTS TO PASS TEST TO PASS TEST ARSENIC (As) 8 ppm COPPER TO PASS TEST TO PASS TEST LEAD TO PASS TEST TO PASS TEST SILVER TO PASS TEST TO PASS TEST ALKALIES AND EARTHS 0

50% SPECIFIC ROTATION @ 20 C +24

Sulfuric Acid TraceGrade N-Protected Amino Acids 10 VISCOSITY 40Test Specification Min Max ASSAY (w w) 94 98% 94 98% COLOR (APHA) 10 CHLORIDE (Cl) 0. 7 ppm TOTAL PHOSPHORUS (P) 0. 05 ppm NITRATE (NO[@3@]) 0. 2 ppm SUBSTANCES REDUCING PERMANGANATE 50 ppm ALUMINUM 1 ppb ANTIMONY (Sb) 1 ppb ARSENIC (As) 1 ppb BARIUM (Ba) 1 ppb BERYLLIUM (BE) 1 ppb BISMUTH 1 ppb CADMIUM (Cd) 1 ppb CALCIUM (Ca) 1 ppb CERIUM 0. 5 ppb CESIUM 0. 5 ppb CHROMIUM (Cr) 1 ppb COBALT (Co) 1 ppb COPPER (Cu) 1 ppb DYSPROSIUM 0. 5 ppb ERBIUM 0. 5