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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By using the pharmacy calculations resource you are well on your way to mastering pharmaceutical calculations and being able to solve any calculations question you encounter.

Accessed December 31, Upon completion of the chapter and exercises, the student pharmacist will be able to. This video demonstrates key steps in performing calculations using the freezing point depression method and provides pertinent examples. How many milliliters of Clorox would be needed to make a gallon of this irrigation?

The profession of pharmacy is one in which mathematics is used extensively. As you progress further into your pharmacy education and your career, you will become more comfortable with estimating what these answers should be in a given situation and for a given patient, such that you can identify an unreasonable solution relatively easily. The Coke has grams of sugar per liter, the Sprite has grams of sugar per liter, and the orange soda has grams of sugar per liter.


Suppose a product of X percentage strength is to be prepared by mixing constituents of percentage Y Higher and Z lower. Therefore 1 part of 1. This equation proves the line diagram method of alligation is correct and most suitable in such calculation. This site uses cookies to provide, maintain and improve your experience. What are the procedures in the pharmacy for double check on the calculations? This video demonstrates key steps in performing milliequivalent calculations and provides pertinent examples.


This video demonstrates key steps in performing calculations using the aliquot method and provides pertinent examples. It is often more practical to dilute a known strength preparation than it would be to compound an entire preparation. Alligations — Soln volumes How many millilitres of a 1: Nemire, and Karen L.

This article incorporates text from a publication now in the public domain: The term alligation has its origin in Latin, alligatio which means the art of attaching and therefore refers to lines drawn during calculation to bind quantities together. Alligation medial is merely a matter of finding a weighted mean.

The desired strength always goes in the center square of the matrix.

A general formula that works for both alligation “alternate” and alligation “medial” is the following: This video demonstrates allegqtion steps in performing reducing and enlarging formulas calculations and provides pertinent examples.

It gives the weighed average percentage strength of a mixture resulting from components of known quantities and concentration. The unknown amount may be found by using alligation method. Search Advanced search allows to you precisely focus your query.

That being said, the importance of not making errors in your arithmetic cannot be overemphasized. From Wikipedia, the free encyclopedia.


How many grams of 1. Please enter User Name Password Error: If your institution subscribes to this resource, and you don’t have a MyAccess Profile, please contact your library’s reference desk for information on how to gain access to this resource from off-campus.

Why did you choose this over an antibiotic? Identify the data given.

Alligation – Wikipedia

This is an example of alligation medial because you want to find the amount of metod in the mixture given the amounts of sugar in its ingredients. This video demonstrates key steps in performing percentage concentration calculations and provides pertinent examples.

Using this formula you can solve for any of the 6 variables A,a,B,b,C,c, regardless of whether you’re dealing with medial, alternate, etc.

Here we will see few types of working examples on this method and different steps required for its calculation. Utilize the aliquot method for solids and liquids. You can use any pharmacy calculations tutorial to study concepts for the first time or include them as part of your review program for a pending assessment.

Here we can clearly observe that all concentration terms are not expressed equal. Hence 5g of 1. View All Subscription Options.