BUFFER SOLUTIONS | BUFFER CAPACITY | APPLICATIONS OF BUFFERS IN PHARMACY
Channel: PHARMAROCKS THE WAY OF SUCCESS
Date: 2020-09-08

👨🏼‍🏫 pH
👉🏻 The definition of pH is the negative logarithm of the hydrogen ion (H+) activity in a given solution. 
👉🏻The range of the pH scale is from 0 to 14.
👉🏻 pH = - log [H+] or 
👉🏻 pH = - log [H3O+] 

👨🏼‍🏫 BUFFER SOLUTIONS 
👉🏻 A buffer solution is a solution which resists changes in pH when a small amount of acid or base is added.
👉🏻 buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base. 

👨🏼‍🏫 TYPES OF BUFFER SOLUTION
👉🏻 Acidic buffer solution 
👉🏻 Basic buffer solution

👨🏼‍🏫 BUFFER CAPACITY
👉🏻 Buffer capacity (β) is defined as the moles of an acid or base necessary to change the pH of a solution by 1, divided by the pH change and the volume of buffer in liters. 
👉🏻 β = ΔA or ΔB / ΔpH

👨🏼‍🏫 pH SCALE & MEASUREMENTS LINK: https://youtu.be/3WgJXSLsUxU
👨🏼‍🏫 BUFFER SOLUTIONS LECTURE LINK: https://youtu.be/OBhxr8y1CHE
👨🏼‍🏫 BUFFER CAPACITY |  https://youtu.be/kKrEZY6eix0
👨🏼‍🏫 APPLICATIONS OF BUFFERS https://youtu.be/6GKncLJV4lM
👨🏼‍🏫 ISOTONIC SOLUTIONS https://youtu.be/Q8ybD4QFL_g

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👨🏼‍🏫 VIDEO LECTURE
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