乙酰-L-亮氨酸
- 供应商
- 四川同晟氨基酸有限公司
- 认证
- CAS
- 1188-21-2
- 联系电话
- 0838-2274206
- 销售经理
- 刘青兰
- 所在地
- 四川省德阳市天山北路19号1-11-1
- 更新时间
- 2017-02-16 15:21
items | standard | analysis data |
appearance | white powder | conforms |
specific rotation [20/d] (c=4 in methanol) | -22.0 to -26.0° | -24.0° |
state of solution (transmittance) | not less than 98.0% | 98.2% |
heavy metals (pb) | not more than 20 ppm | 6ppm |
iron(fe) | not more than 10ppm | 8ppm |
arsenic (as2o3) | not more than 2 ppm | <2ppm |
chloride (cl) | not more than 0.020% | 0.018% |
loss on drying | not more than 0.35% | 0.18% |
residue on ignition | not more than 0.2% | 0.09% |
assay | 98.0% to 102.0% | 99.0% |
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