L-精氨酸 74-79-3 质检单

品    名

Product Name

L-精氨酸

L-Arginine

批    号

Batch No.

230522

CAS No.

74-79-3

数    量

Quantity

15kgs

检验日期

Test Date

May. 22, 2023

项目ITEMS

标准SPECIFICATIONS

结果RESULTS

旋光

Specific Rotation[α]20 D

+26.9°to +27.9°

+27.06°

溶解状况

State of Solution（Transmittance）

Clear and colorless

Not less than 98.0%

98.6%

含氯量

Chloride（Cl）

Not more than 0.020%

Not more than 0.02%

氨盐

Ammonium（NH₄）

Not more than 0.02%

Not more than 0.02%

硫酸根

Sulfate（SO₄）

Not more than 0.020%

Not more than 0.02%

铁

Iron（Fe）

Not more than 10ppm

Not more than 5ppm

重金属

Heavy Metals（Pb）

Not more than 10ppm

Not more than 5ppm

砷

Arsenic（As₂O₃）

Not more than 1ppm

Not more than 1ppm

其他氨基酸

Other amino acids

Chromatographically not detectable

Complies

干燥失重

Loss on drying

Not more than 0.5%

0.25%

灼烧残渣

Residue on ignition

Not more than 0.10%

Not more than 0.10%

含量

Assay

99.0% to 101.0%

99.3%

PH

10.5 to 12.0

10.89

结论

Conclusion

Agree with the specification of AJI92