Dacon China is a manufacturer of wheat/barley grass powder,royal jelly,silica gel desiccant

L-Tyrosine
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L-Tyrosine
Product Description

L-Tyrosine:

Characteristics: White, styli form crystals with bitterness, soluble in dilute acids or base

Quality standards: USP24, AJI97 and etc.

 

Item

Specifications

USP24

AJI97

Appearance

White crystals or crystalline powder; tasteless 

Assay,%

98.5~101.5

99.0~101.0

Specific optical rotation

-9.8°~ -11.2°

-11.3°~ -12.1°

Transmittance, %

- - -

≥98.0

Heavy Metals (as Pb), %

≤0.001

≤0.001

pH value

- - -

5.0~6.5

Loss on drying, %

≤0.3

≤0.2

Residue on ignition, %

≤0.4

≤0.1

Chloride (as Cl),%

≤0.04

≤0.02

Ammonium (as NH4),%

- - -

≤0.02

Sulfate (as SO4), %

≤0.04

≤0.02

Iron, % 

≤0.003

≤0.001

Arsenic (as As), %

≤0.0001

≤0.0001

Other amino acids

- - -

Not detd.  

Organic volatile impurities

 

Meets the requirement

- - -

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Company Name: Qingdao Dacon Trading Co., Ltd

Registered Address:No. 519, Workshop On 5/F, 1 Hancheng Rd., Free Trade Zone, Qingdao, Shandong, China (Mainland)

Legal Representative/CEO: Ms. Shuming Kang

Registration No.: 91370220747213098M

86-532-80865267
86-532-80865298
Mr. Weishun Yang
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