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Gastrointestinal Agents: Antacids
Antacids Antacids are substances that neutralize stomach acidity, providing relief from symptoms like heartburn and indigestion. They work by chemically counteracting excess acid produced by the stomach. Commonly taken orally, antacids are used for conditions such as ulcers, acid reflux, and occasional indigestion. While generally safe, they do not address underlying causes. Use of antacids…
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Gastrointestinal Agents: Acidifying Agents
Introduction Gastrointestinal agents are the medications or substances used to treat gastrointestinal disorder. They include acidifying agents, antacids, antiemetics, laxatives, antidiarrheal and drugs for gastrointestinal motility disorders. These agents are used to treat certain conditions like achlorhydria, acidity, ulcers, nausea, vomiting, diarrhea, constipation and certain other gastrointestinal issues. In this article we will see acidifying…
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Buffer Solution: Buffer Equation and Buffer Capacity
Buffer solution A buffer solution is a solution that resist the changes in pH values. It consists of a mixture of weak acid and its salt or a weak base and its salt. This solution is able to neutralize the effect of small amount of acid or alkali added to solution. Buffer solutions are prepared…
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Limit Test for Chlorides, Sulphates and Iron
Introduction Limit tests are the category of impurity testing in which solution of an unknown sample is compared to a standard solution. Limit test is defined as the quantitative or semi quantitative test designed to identify and control small quantities of impurity which is likely to be present in the substance. In these tests the…
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Acids, Bases Theory And pH Scale
Introduction Acids and bases play crucial role in the study of inorganic chemistry. Study of acids and bases helps to understand various chemical reactions and processes. Acids are the substance that donate protons (hydrogen ions) in chemical reactions. Usually, they are sour in taste. Some examples of acids are sulfuric acid, citric acid, acetic acid,…
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Impurities- It’s sources, Types and Test of Purity.
Impurities Impurities in pharmaceutical substances are the unwanted chemical substances in the active pharmaceutical ingredient (API) or developed during formulation or upon ageing of both API and formulation. In simple words, any component that is not a formulation ingredient is known as impurity. The presence of these impurities affects the safety and efficacy of the…
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