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USP
Loss on drying
+0.5% Residue on ignition
+0.1% Chloride
+0.035% Selenium +0.003% Heavy
metals +0.001% Chromatographic
purity *benzothiaciazine related compound
A +1.0% *hydrochlorothiazide dimer
+0.5% *chlororhiazide +0.5% *single
unknown impurity +0.1% *total unknown
impurities +0.5% *total other impurities
excluding benzothiadiazine related compound
A +0.9% *total
impurities +1.5% Residual
formaldehyde +500ppm Organic volatile
impurities meets the
requirements Assay 98.0% ゛
102.0%
Ph Eur
Acidity or alkalinity +0.4ml(0.01M
HCL) Chlorides +100ppm Related
substances *single largest
impurity +0.5% *total
ompurities +1% Loss on
drying +0.5% Sulphated
ash +0.1% Assay
98.0% ゛ 102.0%
Action and uses: A diuretic and antihypertensive
agent, which can inhibite sodium and chloride reabsorption by renal
tubules, decrease the blood pressure, and can be used in the
treatment of many kinds of edema on hypertension.
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