COA of Rebaudioside-A 98%: ItemsStandardResultsContent %: Rebaudioside-A≥9898.30Sweetness: ≥450450Specific Optical Rotation: -30°∼ -38°-35°Specific Absorbance: ≤0.020.01Ash %: ≤0.20.1Moisture %: ≤43.1Heavy Metals(pb) % ≤0.0010.001Arsenic(AS) %: ≤0.00010.0001Appearance: White powderWhite powderConclusion Qualified