产品名称： L-亮氨酸

Product Name: L-Leucine

数 量：

Quantity:1000kgs

批 号：

Batch No:210305002

生产日期：

Producing date: 2021.03.05

取样日期：

Sampling date: 2021.03.06

报告日期：

Send out date: 2021.03.07

参照标准： 

Reference standard: USP36

包装：

Package: 25kg/drum

有效期：

Expiry date: 2023.03.04

    项       目

Item

规       格

Specifications

分  析  结  果

Results

外观

Appearance

白色结晶性粉末

White crystalline powder

白色结晶性粉末

White crystalline powder

含量 (干基),%

Assay ,%

98.5～101.5

99.4

比旋光度[а]25 D                                                                      

Specific optical rotation

+14.9^o ~ +17.3^o

+15.3^o

PH值

PH value

5.5 ~ 7.0

5.58

氯化物(以Cl计),%                  ≤

Chloride(as Cl),%                    max

0.05

＜0.05

硫酸盐(以SO₄计),%                ≤

Sulphate(as SO₄),%                   max

0.03

＜0.03

铁(以Fe计),%                       ≤

Iron（as Fe）,%                     max

0.003

＜0.003

重金属(以Pb计),%                 ≤

Heavy metals (as Pb),%               max

0.0015

＜0.0015

干燥失重,%                        ≤

Loss on drying,%                    max

0.20

0.12

炽灼残渣,%                         ≤

Residue on ignition,%                max

0.40

0.21

结论：本产品符合USP36的要求.

Conclution: This product conforms to requirements of USP36 grade standard.