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乙酰色氨酸(企业标准)
所在区域:四川 德阳市 德阳市区
更新时间:2015-03-19
品牌:四川同晟氨基酸
产品价格:面议
![乙酰色氨酸](http://image.tech-food.com/images/product/bpic/2012-4/2012417245_220837.jpg)
Appearancecrystals or crystalline powderSpecific rotation[α]20/D
(C=1 in NaOH)+25.8° to +27.0°Ammonium (NH4)Not more than 0.02%Sulfate (SO4)Not more than 0.020%Heavy metal(Pb)Not more than 10ppmLoss on drying Not more than 0.50%Residue on ignition(sulfated)Not more than 0.20%Assay98.5 to101.0%pH2.0 to 3.5