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-Arginine HCL


  L-Gulutamic Acid

  L-Pyroglutamic Acid

  L-Lysine HCL



  L-Cysteine HCL MONO

  L-Cysteine HCL ANHY


  N-Acetyl-L-Glutamic Acid





Test Items Standard
Description White crystals or
crystalline powder
Identification Meets the requirements
Specific Rotation [α]20D -74.0°to -77.0°
State of solution
not less than 95.0%
Chloride(CI) not more than 0.020%
Ammonium(NH4+) not more than 0.02%
Sulfate (SO42- ) 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 chromatographically
not detectable
Loss on drying not more than 0.2%
Residue on ignition
not more than 0.1%
L-Hydroxyproline content
(dry basis)
98.5% - 101.0%
PH 5.0 - 6..5


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