DL-苏氨酸80-68-2
- 供应商
- 四川同晟氨基酸有限公司
- 认证
- cas
- 80-68-2
- 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 15:22
items | standard | analysis data |
appearance | white to off-white crystalline powder | conforms |
transmittance | not less than 98.0% | 98.5% |
chloride(cl) | not more than 0.02% | conforms |
heavy metals (pb) | not more than 10ppm | conforms |
arsenic(as2o3) | not more than 2ppm | conforms |
other amino acids | chromatographically not detectable | conforms |
loss on drying | not more than 0.20% | 0.15% |
residue on ignition (sulfated) | not more than 0.10% | 0.08% |
assay | 98.0 to 101.0% | 99% |
ph | 5.0 to 6.5 | 6.0 |
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