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Calculating the quantity of  each ingredient required to produce  a different quantity Calculating the quantity of  each ingredient required to produce  a different quantity

Calculating the quantity of each ingredient required to produce a different quantity - PowerPoint Presentation

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Calculating the quantity of each ingredient required to produce a different quantity - PPT Presentation

Example 1 Calculate the amount of each ingredient required for 1225mL of the formula listed below AT A GLANCE PHARMACY CALCULATIONS FORMULATIONS Ingredient Master formula Substance A 175g Substance B ID: 674096

substance formula ingredient amount formula substance amount ingredient required calculate listed learning kent master step ingredients student ingredientmaster friday

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Slide1

Calculating the quantity of each ingredient required to produce a different quantity of a master formula.

Example 1

Calculate the amount of each ingredient required for 1225mL of the formula listed below.

AT A GLANCE/PHARMACY CALCULATIONSFORMULATIONS

Ingredient

Master formulaSubstance A175gSubstance B50gSubstance C12% v/vSubstance D75gSubstance E1 in 2000 w/vWater to:350mL

Method

Step 1: Divide the amount you wish to make by the amount the formula is for

 

12

Student Learning Advisory Service

Contact us

Please come and see us if you need any academic advice or guidance.

CanterburyOur offices are next to Santander BankOpenMonday to Friday, 09.00 – 17.00E: learning@kent.ac.uk T: 01227 824016MedwayWe are based in room G0-09, in the Gillingham Buildingand in room DB034, in the Drill Hall Library.OpenMonday to Friday, 09.00 – 17.00E: learningmedway@kent.ac.uk T: 01634 888884The Student Learning Advisory Service (SLAS) is part of theUnit for the Enhancement of Learning and Teaching (UELT)

www.kent.ac.uk/learning

kent.slas

@

unikentSLAS

Acknowledgments

All materials checked by Dr Scott Wildman, Dr Cleopatra Branch, Jerome Durodie and Andrew Lea, Medway School of

Pharmacy, Anson Building, Central Avenue, Chatham Maritime, Chatham, Kent. ME4 4TB.This leaflet has been produced in conjunction with sigma Mathematics Support Centre Slide2

Step 2:

Use this factor to calculate the amount of all the volumetric ingredients

 

Step 3:

Calculate the amounts of the % and parts ingredients

  

 

 

Q1

Calculate the amount of each ingredient required for 765mL of the formula listed below

Ingredient

Master formula

Substance A

16gSubstance B25gSubstance C4% w/vSubstance D70mLSubstance E

0.05% w/v

Water to:

170mL

Q2

Calculate the amount of each ingredient required for 1.5L of the formula listed below

IngredientMaster formula

Substance A20mgSubstance B

10g

Substance C

2% v/v

Substance D

7.5mL

Substance E

0.02% w/v

Water to:

50mL

Q3

Calculate the amount of each ingredient required for 2400mL of the formula listed below

Ingredients

Master formula

Substance A

268g

Substance B

150g

Substance C

0.01% w/v

Substance D12mLSubstance E0.5% w/vWater to:500mL

Q4Calculate the amount of each ingredient required for 15mL of the formula listed below

IngredientMaster formulaSubstance A12mLSubstance B4mLSubstance C5mcL/mLSubstance D0.5mg/mLSubstance E8mLWater to:60mL

Q1Q2Q3Q4A72g600mg1286.4g3mLB112.5g300g720g1mLC30.6g30mL0.24g75mcLD315mL225mL57.6mL7.5mgE0.3825g0.3g12g2mL

Answers