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IN-HOUSE STANDARD
pH
2.4゛4.5＜
Chloride ＋0.10%
Methanol ＋0.3%
Benzene
＋0.0002%
Methylene choride ＋0.06%
Loss on
drying ＋1.0%
Residue on
ignition ＋0.1%
Heavy metals
＋10ppm
Related substances meets the
requirements
Assay −98.5%
Actions and uses: Used in the treatment of
hypertension.
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