L-Methionine Manufacturer

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Basic Info

Product Description

L-Methionine

Standard:AJI92

ItemSpecifications

AppearanceWhitecrystalsorcrystallinepowder

Assay,% (on dried basis)99.0%~100.5%

a state of solution≥98%

Specifc Rotation+23.0-+24.5

pH value (2% w/v solution)5.6~6.1

Heavy metals (as Pb),%≤0.001%

Lron(Fe)%≤0.001%

Arsenic,%≤0.0001%

Sulfate (SO4-2) ,%≤0.02%

Chloride(as Cl),%≤0.02%

Loss on drying,% (100~105℃)≤0.2%

Residue on ignition (as sulphate ash) ,%≤0.1%

Ammonium, %≤0.02%

Other Amino AcidsConforms

Particle size---

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