Appearance: white granular powder; smellless & sweet;   Specific optical rotation: +52.6o-+53.2o; Acidity:   ≤ 0.2ml;   Clarity of solution: ≤ 1# of turbidity standard; Clarity of ethanol solution: clear;   Chloride: ≤ 0.01%; Sulfate: ≤0.01%; Sulfite and soluble starch: meet the specification; Loss on dry: ≤1.0%; Residue on ignition: ≤0.1%; Protein: meet the specification;   Barium salt: meet the specification;   Calcium salt: ≤0.01%;  Ferric salt: ≤0.001%; Heavy metals: ≤4ppm; Arsenic salt: ≤0.0001%; Microbial limits: meet the specification  Bacterial endotoxin: ≤0.25Eu/ml

dextrose anhydrous USP31