产品名称:DL-蛋氨酸 Product Name:DL-Methionine | 数量: Quantity:2000kgs | 批号: Batch No:15030606 |
生产日期: Producing date:2014.04.03 | 取样日期: Sampling date:2014.04.03 | 报告日期: Send out date:2015.03.06 |
参照标准: Reference standard:EP4 | | 包装: Packing: 25kgs/barrel |
项 目 Item | 规 格 Specifications | 分析结果 Results |
外观 Appearance | 白色片状结晶粉末 White crystalline powder | 白色片状结晶粉末 White crystalline powder |
含量(C5H11NO2S) ,% (干基) Assay,% (on dried basis) | 99.0~101.0 | 99.6 |
溶液澄清度 Clear and colorless | Clear, colorless | Clear, colorless |
pH值 pH value (2% w/v solution) | 5.4~6.1 | 5.65 |
重金属(以Pb计),% Heavy metals (as Pb),% | ≤0.001 | <0.001 |
硫酸盐,% Sulfate (SO4-2) ,% | ≤0.02 | <0.02 |
氯化物(以Cl计) ,% Chloride(as Cl),% | ≤0.02 | <0.02 |
干燥失重,% (100~105℃) Loss on drying,% (100~105℃) | ≤0.5 | 0.28 |
炽灼残渣(以硫酸盐灰分计),% Residue on ignition (as sulphate ash) ,% | ≤0.1 | 0.05 |
结论:本产品符合EP4的要求。 Conclusion:This product conforms to requirements of EP4standard. |