Appearance: White or off-white crystalline powder Identification: 1) In the assay,the retention time of main peak in the chroma…
Appearance: White or off-white crystalline powder
Identification:
1) In the assay,the retention time of main peak in the
chromatogram of the sample solution should
correspond to that of the reference solution.
2) It should give the characteristic reaction of
ammonium.
Loss on drying :≤ 2.0%
Residue on ignition: ≤ 2.0%
Heavy metals:
≤ 20ppm
Assay :≥90.0%(calculated on dried basis)
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