左旋肉碱盐酸盐             出口医药级 
项目                                    指 标 
含量%                              97.0-103.0 
重金属%                          ≤0.001 
PH 值                               2.5-2.9 
比旋光度[α]D20             -21.50°～-23.50°
砷(As) %                          ≤ 0.0002 
氯化物 %                         7.0～18.5
灼烧残渣 %                   ≤0.5 
干燥失重 %                    ≤2.0 

左旋肉碱盐酸盐               饲料级 
项目                                 指 标 
含量%                               ≥98.0
水份%                               ≤1.0
比旋光度[α]D20                -21.50°～-23.50° 
熔点(°C)                         135—137 
PH值(1%水溶液)              2.3-2.9 
砷(As)%                            ≤0.0002
重金属(以Pb计)%             ≤0.001 

左旋肉碱盐酸盐50%         饲料级(50%) 
项目                                      指 标 
含量%                                   50±0.5
水份%                                   ≤2.0
PH值(1%水溶液)                 2.0—3.0 
砷(As)%                               ≤0.0005
重金属(以Pb计)%               ≤0.002