Another study 5 also emphasized the need of anc testing for antacids. It is her who has been my primary source of inspiration and who motivated, guided and encouraged me at different stages to make this project. A comparative study of the acid neutralizing capacity of various commercially available antacid formulations in libya prakash katakam, noha m. For transportation of soft drinks syrup the commercial truck must use the hazardous matter place cards reserved for highly consive material. Baixe no formato docx, pdf, txt ou leia online no scribd. To carry out comparative study of some commercial antacids like gelucil, diegene, pep. Then add drop by drop and stir it after every drop. Soft drinks have also ability to remove blood so they are very harmful to our body. Comparitive study of commercial antacids cbse class 12 project free download as word doc. Chemistry project on determination of the contents of. Antacids are commonly used to help neutralize stomach acid. This is a project on comparitive study of commercial antacids as prescribed cbse in partial fulfillment of class 12.
The present work was aimed at comparing anc and other physicochemical properties for. All antacids have chemical in them called a buffer. Then the ph meter stick would change color depending. Record the initial volume of hcl aq in the buret, then quickly add 40 ml of the standardized hcl solution to the antacid sample. To measure and compare the acidneutralizing strength of antacids. The concentration of hcl in simulated gastric acid is 0. Analysis of antacid tablets by rebekah ferrini on prezi. Jan 08, 2020 toxnet has moved as part of a broader nlm reorganization, most of nlms toxicology information services have been integrated into other nlm products and services. This is the project work on comparitive study of commercial antacids as prescribed by cbse, india in partial fulfillment of grade 12. Rate of evaporation of different liquids, project report on. Cbse class 12th investigatory project of chemistry for aissce board examination to analyse the given samples of commercial antacids by determining the amount of hydrochloric acid they can neutralize.
Study on the effectiveness of branded and generic antacid. Chemistry project on determination of the contents of cold drinks project prepared by. This may be caused by spicy or fatty foods, eating before bed, over drinking, stress and smoking. The intermolecular forces of acetone, benzene and chloroform are in order. Mechanism of action semisynthetic derivative of kanamycin with broad range of antimicrobial activity that includes many strains resistant to other aminoglycoside s. Introduction digestion in the stomach results from the action of gastric fluid, which includes secretions of digestive enzymes, mucous, and hydrochloric acid. After eachpreparationhadbeentested andassessed, the mouth was rinsed with warm water until there wasnoresidual taste andtheprocedurewasrepeated with eachone ofthe other three preparations. Antacids are the oldest effective medications for heartburn. To accomplish this, we can use an analytical procedure called backtitration. Evaluatingcommercialantacids evaluating commercial. A comparative study of the acid neutralizing capacity of. After you mixed every beaker use the ph meter to see the level of acidity. Doc comparitive study of commercial antacids cbse class.
The purpose of this project work has to investigate the efficiency of some selected commercial antacids and to compare their efficiency in terms of their capacity to neutralize the most stomach acids. The difference between the number of moles of hcl initially added to the antacid. It operates by generating intermediate comparison acrobat 9 clone which is then compiled to a native invalidop. As a current student on this bumpy collegiate pathway, i stumbled upon course hero, where i can find study resources for nearly all my courses, get online. When an antacid is mixed with an acid the buffer tries to even out the acidity and that is how stomach acid gets neutralized.
Ppt antacids powerpoint presentation free to view id. Manual in chemistry for class xii pradeeps new course chemistry. In this experiment, a realworld example will be used in order to gain a unique experience in practical. There was a considerable range of judgements about palatability, but preference was determined not only by factors such as the. Winner of the standing ovation award for best powerpoint templates from presentations magazine. They are used to relieve acid indigestion, upset stomach, sour stomach, and heartburn. Evaluation of neutralizing capacity of different commercial brands. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Treatment with antacids alone is symptomatic and only justified for minor symptoms. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
No direct correlation could be made to reduce all the methods to. This study is based on the evaluation of acid neutralizing capacity of five different commercial brands of antacid tablets. In this science project, you will use a titration to see which antacid tablet is the most effective. Comparitive study of commercial antacidscbse class 12. To analyze the given samples of commercial antacids by determining the amount of hydrochloric acid they can neutralize. Anc and the sodium contents of some commercial antacids. This solution in turn, will be the key in determining the amount of calcium carbonate in an antacid tablet.
Kendriya vidyalaya mankhurd, mumbai department of chemistry certificate this is to certify that r. Most antacids are composed of bases or alkalizing agents. Cbse class 12th chemistry project on antacids for cbse. In addition, drugdrug interaction becomes important as antacids and iron may chelate coadministered drugs, which further decreases their already reduced absorption carter et al. Jan 24, 2017 this happens when these nerves are exposed, as in peptic ulcers. Comparative study of three antacids of prolonged effect. Original funny facebook current city kindergarten farm art with and without clothes used 100 gallon lp tank withdrawing from lamictal coming through the rye lyrics how to crochet a baby cocoon graphitti letters hair video stacked bob antacids adderall xr mononucleosis which lynph nodes swell free blackberry os 6 louis. Measure about 20 ml of hcl in a graduated cylinder. Comparitive study of commercial antacidscbse 12 project free download as word doc. Comparitive study of commercial antacidscbse class 12 project free download as word doc.
His new drug approvals, green chemistry international, all about drugs, eurekamoments, organic spectroscopy international, etc in organic chemistry are some most read blogs he has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 year tenure till date dec 2017. The action of antacids is based on the fact that a base reacts with acid to form salt and water. Antibiotics families antibiotics penicillin scribd. It is widely used to study comparative study of commercial antacids such as the hourscure vastukosha macedonias attributions can be fatal to workers because it can paralyze the respiratory view. Antacids an antacid is any substance, generally a base or basic salt, which neutralizes stomach acidity. A comparative in vivo study of antacids ii sciencedirect. Several antacid tablets are available over the counter and sold under various commercial names such as maalox, mylanta, rolaids, tums, gaviscon, alkaseltzer, and rennie, among others2. Chemistry project on determination of the contents of cold drinks. Proton pump inhibitors are more potent at reducing gastric acid production since that is the final common pathway of all stimulation of acid production. A comparative study on palatability and cost effectiveness. Antacids clinical pharmacology is represented according to the international classification of drugs atc anatomicaltherapeuticchemical. Your stomach dissolves food by releasing hydrochloric acid.
An antacid is any substance that can neutralize an acid. Five different but widely used commercial antacid tablets were selected for the purpose of this study. Antacids are bases that remove excessive stomach acid by turning the acid to water neutralizing the acid. Bibliography introduction an antacid is any substance, generally a base or basic salt, which neutralizes stomach acidity. To compare the palatability, acid consuming capacity and cost effectiveness of different brands of liquid antacids available in karachi. Santa monica college chemistry 11 evaluating antacids via a titration page 3 of 3 addition of excess hcl to the antacid 7.
Experiment to compare the acid strengths of some common antacids aim. Action mechanism antacids perform a neutralization reaction, i. Detroit meeting april 1956 this study was made under a research grant by the american chicle company, new york and the chattanooga medicine co. Since the purpose of this lab is to measure the amount of hcl neutralized from the addition of various antacids, it is not necessary to add the digestive enzymes to the solution. Drug study nursing medical specialties medicine scribd. Rita mohanty subject teacher during the academic year 201415 in partial fulfillment of chemistry practical examination conducted by aissce, mumbai.
Bottle of antacid the tablets should be broken into smaller pieces a mortar and pestle dropper bottle with fake stomach juice 0. Booth, research laboratories, the upjohn company, kalamazoo, mich research laboratories the upjohn company kalamazoo mich a number of antacids have been tested in vitro to determine the ph range in which they show buffer activity. Hcl catalyzes the formation of pepsinan enzyme that digests proteins in meats, seeds, eggs, and dairy products. Without this strong mineral acid the digestive function of the stomach and intestine would be severely limited. Assessment of the value of the antacid contents of. Scientific edition a comparative in vivo study of antacids ii study of antacids ii lawall and harrisson research laboratories, philadelphia 3, pa. Antacids are taken by mouth to relieve heartburn, the major symptom of gastro esophageal reflux disease, or acid indigestion. Comparative study offourantacids rank the preparationsin orderofpreferenceforeach criterion, with the most popular preparation being given a value of4andtheleast popularavalueof1. Each of the sample tablets was purchased, crushed, weighed. When gastric hydrochloric acid reaches the nerves in the gastrointestinal mucosa, they signal pain to the central nervous system. Nine in vitro methods commonly used to evaluate antacids were compared on several types of antacids. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Doc comparitive study of commercial antacids cbse class 12.
Stomach acid hydrochloric acid is vital to human digestion. Crush one of each tablet into powder using mortar and pestle. This packet is a stepbystep guide to designing and carrying out your science project. Experiment ten titrations of commercial antacids objectives. To do the experiment, an antacid tablet will be dissolved in a known excess amount of acid. Comparitive study of commercial antacids cbse 12 project free download as word doc.
Determination of the amount of acid neutralized by an antacid. Naveen, a student of class xiia has successfully completed the project under the guidance of mrs. The article elucidates antacids indications and contraindications, administration details and side effects. To study the effect of surface area on the rate of evaporation of diethylether. The anc and price of the product are two important attributes for an ideal antacid product in addition to the safety and palatability 6. A complete list of antibiotics family with appropriate link to the major antibiotics list. Analysis of commercial antacids containing calcium carbonate in this experiment, you will study acidbase reactions. A comparative study on palatability and cost effectiveness sadia nasim1, muhammad ayaz mustufa2, syed ijaz hussain zaidi3, muhammad tanweer khan4, abdul wajid 5 abstract objective. A television commercial claims that rolaids consumes 47 times its own weight in excess stomach acid while another commercial claims that for fast relief of acid indigestion and heartburn due to stomach acidity.
Antacids relieve the effects of the ulcer by neutralizing small amounts of excess stomach acid. Experiment 6 bases, acids and antacids introduction the terms acid and base are used quite loosely in chemistry and may have slightly different meanings under different circumstances. One method of evaluating antacid preparations is to determine the number of moles of hcl that will react with a known mass of antacid. Comparative study of commercial antacids submitted by. Drug study drug date classification mechanism of action indication side effects nursing implications ordered generic 0210 anti inhibits short term relief of skin rash, dizziness, take with food, milk or with name. The increase in estrogen in pregnancy leads to increase in serum concentrations of cholesterol, ceruloplasmin, thyroid bind ing globulin, and cortisol. Antimuscarinic drugs such as pirenzepine or h2 antihistamines can reduce acid secretion. Part b cent and scent analysis 1 record the posted data regarding the cost of various bottles of antacids, and the number of doses contained in each bottle in the data table. Peptic ulcers may require h2receptor antagonists or proton pump inhibitors.
This labaid makes science more interesting and meaningful by dealing with fundamental chemical principles and applying them to products found at home. Four antacid preparations have been studied in a stratified, randomized, doubleblind trial to evaluate criteria which determine patients acceptance of this type of therapy. An antacid is any substance, generally a base or basic salt, which neutralizes stomach acidity. M hydrochloric acid and compare the effectiveness of several brands of antacids in neutralizing acids. Comparitive study of commercial antacids cbse class 12 project. The 3 essential oil employed in the study were effective against streptococcus spp in which the extensivity dropped from 83,33% to 16,66% ocimum basilicum, from 66,66% to 50% calendula officinalis and from 50% to 0% tymus vulgaris. If you do not understand how to do this after reading the background material, seek assistance. You will need to perform the same calculations for your laboratory data. Additional doses of antacids may be administered to relieve ulcer pain that.
Certificate this is hereby to certify that, the original and genuine. Chem project class 12 with investigatory project on antacids. Chemistry investigatory project on antacids slideshare. Commercial antacid chemistry project notes for free. Acids can back up in the stomach and flow up into the esophagus, causing heartburn. Jun 04, 2015 chemistry investigatory project on cold drinks 1.
Comparative study of commercial antacid tuesday, 10 january 2017. We will generally be using these terms to refer to chemical substances that dissolve in water. You will determine the correct concentration molarity of a solution you make to be used for the entire experiment. Evaluation of commercial antacids using the data given below fill in the blanks and calculate the cost per mole of base in the antacid tablet. Comparitive study of commercial antacidscbse class. If antacids are used for the treatment of peptic ulcers, usual highdose regimens for ulcer healing employ 80160 meq acid neutralizing capacity, given 1 and 3 hours after meals and at bedtime. Antacids can be used to enhance the natural tolerance of the gastric lining. This happens when these nerves are exposed, as in peptic ulcers. Side effects most people who take an antacid do not have any side effects. Evaluating commercial antacids introduction the purpose of the lab was to determine the number of moles of hydrochloric acid neutralized by a commercial antacid tablet. A recent study showed that 100% of people from low socioeconomic villages in senegal were infected with blastocystis sp. Such a variety of commercial antacids occupy pharmacists shelves that this discussion will concentrate on their basic ingredients see accompanying table.
Some antacids also coat the surface of the oesophagus gullet with a protective barrier against stomach acid, or produce a gel on the stomachs surface which helps stop acid leaking into the oesophagus and causing acid reflux. Compare this value to the known value 750 mg and calculate a percent error. Evaluating antacids via a titration santa monica college. Analysis of commerical antacids containing calcium.