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Pharmaceutical Calculations. Lab Alligation Medial and Alligation Alternate. Alligation is an arithmetical method of solving problems that involves the. Alligation is one of the simple and illustrative methods in pharmaceutical calculations for the pharmacy technicians. Dilution is a simple method. The pharmacy has in stock 3% coal tar ointment and coal tar. Remember, a pure product has Using alligation, calculate the amount of each available product.

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Hence 5g of 1.

How much wine did the cask hold originally? Wikipedia articles incorporating a citation from the Cyclopaedia Wikipedia articles incorporating text from Cyclopaedia Wikipedia articles incorporating a citation from the Cyclopaedia without an article title parameter. Interpret a prescription or medication order. Alligation is an old and practical method of solving arithmetic problems related mfthod mixtures of ingredients.

Anything quite different from your approximation should cause you to reexamine your work. Sign in via Shibboleth.

On the other hand, many of the times we require an intermediate concentration from two different concentrations where allegation plays its role. So in the above example we get: Convert between the metric and common systems of measurement. This page was last edited on 29 Octoberat This video demonstrates key steps in performing calculations using the aliquot method and provides pertinent examples. This video demonstrates key steps in performing calculations using the freezing point depression method and provides pertinent examples.


Since there are only two ingredients, there is only one possible way to form a pair.

Notes on the Use of Alligation Method in Pharmaceutical Practice

Before preserving your articles on this site, please read the following pages: The unknown amount may be found by using alligation method.

Questions to follow up in this case include the following:. You should develop several methods to check your work as you go. That being said, the importance of not making errors in your arithmetic cannot be overemphasized. Clorox bleach standard 5.

Here we can clearly observe that all concentration terms are not expressed equal. They are as follows:.

This is an example of a problem that involves repeated dilutions of a given solution. With the exception of some pharmacokinetic expressions, most of the calculations you will be expected to perform will be simple arithmetic. Please enter Password Forgot Username? Otherwise it is hidden from view. Utilize the aliquot method for solids and liquids.


What are the procedures in the pharmacy for double check on the calculations? Interpret osmolarity, isotonicity, and milliequivalents. Allegaion Read Edit View history.

Notes on the Use of Alligation Method in Pharmaceutical Practice

You are expected to be able to perform basic arithmetic addition, subtraction, division, and multiplication and to do so not only with whole numbers or integers but with fractions as well. Prepare, concentrate, or dilute compounded medications accurately. Since final weight of ointment is 15 g,the weight of the 1. Accessed December 31, Alligation method is used to calculate: Alligations — Soln volumes How many millilitres of a 1: Here you would find a bespoke pharmacy calculations tutorial for almost every pharmacy calculations topic you would need to learn.

Proof of Alligation Method Suppose a product of X percentage strength is to be prepared by mixing constituents of percentage Y Higher and Z lower.