Emeishan Longteng Biotechnology Co., Ltd.
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  Compound Amino Acid Powder

  Compound amino acid(ammonium
   type), nano powder, liquid
  Single-element chelates
  of amino acids
  Multi-element chelates
 of amino acids

  L-Cystine

  L-Leucine

  L-Tyrosine

  L-Arginine HCL

  L-Arginine

  L-Gulutamic Acid

  L-Pyroglutamic Acid

  L-Lysine HCL

  L-Hydroxproline

  L-Tryptophan

  L-Cysteine HCL MONO

  L-Cysteine HCL ANHY

  L-GLUTAMIC Acid HCL

  N-Acetyl-L-Glutamic Acid

  DL-Methionine

 
 

  Products

L-Tyrosine

Test Items Standard
Description white crystals or crystalline powder
Identification infrared absorption spectrum
Specific rotation [α]D20 -11.3° to -12.1°
Sate of solution
(Transmittance)
clear and colorless
not less than 95.0%
Chloride(CI) not more than 0.020%
Ammonium(NH4) not more than 0.02%
Sulfate (SO4) not more than 0.020%
Iron(Fe) not more than 10ppm
Heavy metals (Pb) not more than 10ppm
Arsenic (As2O3) not more than 1ppm
Other amino acids conforms
Loss on drying not more than 0.20%
Residue on ignition
(sulfated)
not more than 0.10%
Assay 99.0 to 100.5%
Pyrogen Nonpyrogenic

 

 
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