آسپیرین جهت استعلام قیمت تماس بگیرید
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دی‌پروپیلن گلایکول – KEDPG جهت استعلام قیمت تماس بگیرید

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جهت استعلام قیمت تماس بگیرید

TEST  STANDARD Unit Ref
Appearance White or almost white crystals BP 2020
Solubility Freely soluble in water, slightly soluble in ethanol (96 per cent), practically insoluble in acetone and in methylene chloride BP 2020
 IR spectra Spectrum obtained with standard   Metformin Hydrochloride   BP 2020
 Melting point  222-226  °C BP 2020
 Appearance of solution  Solution S is clear  and colourless  – BP 2020
 Impurity F not more than the area of the corresponding peak in the chromatogram obtained with the  reference solution (0.05 per cent)  %

 

BP 2020
 Related substances impurity A: not more than the area of the corresponding peak in the

chromatogram obtained with  reference solution (a) (0.02 per cent)

 % BP 2020
unspecified impurities: for each impurity, not more than 0.5 times the area of the principal peak in the

chromatogram obtained with  reference solution (b) (0.05 per cent)

Total impurities: NMT 0.2%
 Loss on drying  Max 0.5  % BP 2020
 Assay (on the dried basis)  98.5 – 101  % BP 2020
 Sulfated Ash   Max 0.1  % BP 2020
 Residual Solvent  (Methanol)   Max 3000  ppm BP 2020

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