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Glucosamine Sulfate Analytical Specification

GLUCOSAMINE SULFATE
TEST SPECIFICATION
Appearance Off-White crystalline powder
Solubility Soluble in water
Identification IR The infrared absorption spectrum of the sample should be concordant with that of the standard spectrum.
Chloride test Potassium test Sulphate test White precipitate should be formed. White precipitate should be formed. White opalescence should be formed.
HPLC-Retention time The Retention time of the sample assay peak corresponds to that Standard peak.
Specific Rotation (3.5%Solution at 25oc.) +50.0 to +52.0.
pH (2%)at 25oc 3.0 to 5.0
Loss on drying (at 105oc for 2 hrs) (%) NMT 1.0
Residue on ignition (%) 27.0 to 29.0
Residual solvents Methanol(ppm) MDC (ppm) IPA (ppm) Acetone (ppm) Chloroform(ppm) NMT 3000 NMT 600 NMT 5000 NMT 5000 NMT 60
Loss on drying (at 105oc for 2 hrs) (%) NMT 1.0