Items of Analysis Specifications Result Appearance White granular
or powder White powder Particle size *0mesh Conform Assay ( on dry
basis) *8.0% to **2.*0% *9.*8% Taste Pure Pure Specific
rotation **4.5.0 to**6.5.0 **5.*3 0 Transmittance ≥ *5.0% *8.5%
Loss on drying ≤ 4.5% 3.*0% Residue on ignition ≤ 0.*0% 0.*1%
L-a-Aspartyl-L-Phenylalanine ≤ 0.*5% ≤ 0.*5% PH 4.**6.0 5.*1
L-Phenylalanine ≤ 0.*0% 0.*0% Heavy metal (as Pb) ≤ *0ppm ≤
*0ppm Lead ≤ 1ppm ≤ 1ppm *-benzyl*3, *-dioxo**-pirerazi neacetic
acid ≤ 1.5% ≤ 1.5% Other related substances ≤ 2.0% ≤ 2.0%