Pharmaceutical Chemistry Solved sample paper-3 A medicinal or pharmaceutical chemist researches and creates chemical compounds for use as drugs. By applying chemical research techniques to isolate natural healing agents or develop artificial…
Pharmacology and toxicology solved paper-2019
Pharmacology and toxicology solved paper-2019 The main difference is that pharmacologists analyze the effects of therapeutic drugs on the human body, whereas forensic toxicologists examine the effects of toxins when a crime…
Pharmaceutical Jurisprudence Solved Papers 2020
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Pharmacology and Toxicology Solved Papers-1
Pharmacology is the scientific discipline that studies the mechanisms by which drugs alter biological systems in an attempt to improve health and alleviate disease, whereas toxicology is the study of mechanisms by which drugs and chemicals in the environment produce unwanted effects.
Pharmaceutical Chemistry Solved Papers-2
Pharmaceutical Chemistry Solved Papers-2
Pharmaceutical Chemistry Solved Papers
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Chemistry Laboratory Instruments
Chemistry Laboratory Instruments
Limit test for Lead
Limit test for Lead
Lead is a most undesirable impurity in medical compounds and comes through the use of sulphuric acid, lead-lined apparatus and glass bottles use for storage of chemicals.
Principle:
The limit test of lead is based on the reaction of lead and diphenylthiocabazone (dithizone) in alkaline solution to form lead dithizone complex which is read in color. Dithizone is green in color in chloroform and leaddithizone complex is violet in color, so the resulting color at the end of the process is red.