Elephant Formulary

© 2003-17 Susan K. Mikota DVM and Donald C. Plumb, Pharm.D. Published by
Elephant Care International
www.elephantcare.org

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Simple Formula for Diluting Solutions

The following is a simple method to dilute solutions

A = Strength (%) of the solution to be diluted

B = Diluting solution (%) <water = 0>

S = Desired strength

 

Procedure:

1.  S – B = X

2.  A – S = Y 

3.  X parts A + Y parts B = S

 

Example:  Dilute 10% povidone iodine to 2%

1.  2 – 0 = 2    (2% desired – 0% <water> = 2
2. 10 – 2 = 8   (10% povidone – 2% desired = 8
3.  2 parts povidone + 8 parts water = 2% solution