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HOME ->
PRODUCTS -> L-VALINE USP
L-VALINE USP
SPECIFICATIONS
ITEMS
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SPECIFICATIONS
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Description
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White crystals or
crystalline powder
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Identification (IR)
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Concordant with the
reference spectrum
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Assay
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98.5 – 101.5%
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pH
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5.5 – 7.0
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Specific Rotation
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+26.6° – +28.8°
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Chloride (Cl)
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0.05% Max.
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Sulfate (SO4)
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0.03% Max.
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Iron (Fe)
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30 ppm Max.
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Heavy Metals
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15 ppm Max.
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Lead (Pb)
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5 ppm Max.
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Arsenic (As)
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1.5 ppm Max.
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Loss on drying
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0.30% Max.
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Residue on ignition
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0.10% Max.
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Organic Volatile
Impurities
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Meets the requirements
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Total plate count
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1000 cfu/g Max.
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Yeasts and Molds
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100 cfu/g Max.
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E. Coli
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Absent
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Salmonella
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Absent
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Staphylococcus aureus
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Negative/10 g
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