精氨酸-谷氨酸
- 供应商
- 四川同晟氨基酸有限公司
- 认证
- CAS
- 4320-30-3
- 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
item | standard | analysis data |
appearance | white crystalline powder | conforms |
specific rotation[α]20/d (c=8 6n hcl) | +28.0 to ~30.0degree | 28.1° |
transmittance | not less than 98.0% | 98.1% |
chloride (cl) | not more than 0.020% | 0.018% |
ammonium (nh4) | not more than 0.02% | <0.02% |
sulfate (so4) | not more than 0.030% | 0.008% |
iron (fe) | not more than 10ppm | <10ppm |
heavy metal(pb) | not more than 10ppm | <10ppm |
arsenic(as2o3) | not more than 1ppm | <1ppm |
other amino acids | chromatographically not detectable | conforms |
water | not more than 5.0% | 2.0% |
residue on ignition(sulfated) | not more than 0.20% | 0.10% |
assay | 98.5%~101.0% | 98.7% |
ph | 6.0 to 7.5 | 6.8 |
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