Appearance and solubility White or almost white, crystalline powder. It has a sweet taste., freely soluble in water, sparingly soluble in ethanol (96 per cent), identification Positive, specific optical rotation52 53, acidity or alkalinity 6g sample 0.1mol/l nao 0.15ml, water Not more than 1.0%, arsenic Not more than 1ppm, calcium Not more than 200ppm, lead Not more than 0.5ppm, chlorides Not more than 125ppm, sulphates Not more than 200ppm, appearance of solution The solution is clear and not more intensely colored than reference solution by7, barium Any opalescence in the solution is not more intense than in the standard, sulphites 15ppmso2, foreign sugars, soluble starch, dextrins Qualified, sulphated ash 0.1%, pyrogens (tal 10% solution):?0.25eu/ml, bacilli 1000cfu/g, mold 100cfu/g, e.Coli Not available,