Name | Specifications | Packing | Price | Delivery |
L-Theanine | 99% | 1g | RMB 198 | Consulting service |
L-Theanine | 99% | 5g | RMB 748 | Consulting service |
L-Theanine | 98% | 25g | RMB 198 | Consulting service |
L-Theanine | 98% | 100g | RMB 748 | Consulting service |
外观Appearance 白色结晶体
含量assay 98.0-101.0%
氯含量(CL)chlorine,% ≤0.10%
重金属(铅)Heavy metals(as Pb) ≤10 PPM
干燥失重Loss on drying,% ≤0.20
灼烧残渣(硫酸盐)Residue after ignition,% ≤0.20
项目 高纯级
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (TLC)
比旋光度Specific rotation [a]20/D +7.0 ~ +8.0°(C=1, H2O)
干燥损失Drying loss ≤0.5 %
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