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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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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. Every pharmacy calculations tutorial also includes appropriate solved examples to clarify key concepts.

Why did you choose this over an antibiotic?

Alligation is an old and practical method of solving arithmetic problems related to mixtures of ingredients. Alligation medial is used in calculating the strength of the mixture of two or more components of different strengths.

This video demonstrates key steps in performing calculations using the aliquot method and provides pertinent examples. The solution is just to find the weighted average by composition:.

This video demonstrates key steps in performing milliequivalent calculations and provides pertinent examples. The desired strength is cxlculations strength of the preparation that one wishes to make. Pop-up div Successfully Displayed This div only mdthod when the trigger link is hovered over. Questions to follow up in this case include the following:.


Alligation is allegatioj rapid arithmetic method used to solve problems that involve mixing two products of different strengths to form a product having a desired intermediate strength. It is often more practical to dilute a known strength preparation calclations it would be to compound an entire preparation.

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Alligation Math / Tic-Tac-Toe Math / Basic Pharmacy Math

Clinical Sports Medicine Collection. They are as follows:. Since there are only two ingredients, there is capculations one possible way to form a pair. Calculate an appropriate dose.

With the exception of some pharmacokinetic expressions, most of the calculations you will be expected to perform will be simple arithmetic. Not to be confused with allegation.

This equation proves the line diagram method of alligation is correct and most suitable in such calculation. That being said, the importance of not making errors in your arithmetic cannot be overemphasized.

Notes on the Use of Alligation Method in Pharmaceutical Practice

Alligation alternate is more complicated and involves organizing the ingredients into calculatuons and low pairs which are then traded off. The hospital order says merely the following:. Who do you need to go to in the pharmacy to see that this order is correctly processed? Prepare, concentrate, or dilute compounded medications accurately. You should develop several methods to check your work as you go.


Sign in via Shibboleth. Suppose a product of X percentage strength is to be prepared by mixing constituents of percentage Y Higher and Z lower.

Dilution is a simple method for allevation a lower concentration from a solution of higher concentration. An error in a calculation by a pharmacist could easily be the difference between life and death. Since final weight of ointment is 15 calculatiohs weight of the 1.

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From Allegatioon, the free encyclopedia. This video demonstrates key steps in performing calculations using the freezing point depression method and provides pertinent examples. Alligations — Soln volumes How many millilitres of a 1: Hence 5g of 1. Since the diluting solution is not given it can be considered as water.

Pharmacy Calculations Tutorial

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