The formula to calculate the Oil Phase Percentage is:
\[ OP\% = \left( \frac{V_{\text{oil}}}{V_{\text{total}}} \right) \times 100 \]
Where:
An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) due to the presence of an emulsifying agent. This agent, often a type of surfactant, reduces the surface tension between the liquids, allowing them to blend together. Emulsions are commonly found in various areas such as food, cosmetics, pharmaceuticals, and paints, with examples including milk (an emulsion of water and fat) and mayonnaise (an emulsion of oil in water).
Let's say you have an emulsion with 50 ml of oil (V_oil) and a total volume of 200 ml (V_total). Using the formula:
\[ OP\% = \left( \frac{50}{200} \right) \times 100 = 25\% \]
So, the oil phase percentage (OP%) would be 25%.
Definition: This calculates the amount of emulsion paint needed per square metre.
Formula: \( \text{Amount} = \frac{\text{Coverage}}{\text{Area}} \)
Example: \( \text{Amount} = \frac{10}{5} \)
Definition: This calculator estimates the coverage of emulsion paint based on the area to be painted.
Formula: \( \text{Coverage} = \frac{\text{Area}}{\text{Amount}} \)
Example: \( \text{Coverage} = \frac{20}{2} \)
Definition: This calculates the amount of emulsifier needed for a water-in-oil (W/O) emulsion.
Formula: \( \text{Emulsifier Amount} = \frac{\text{Oil Phase}}{\text{Emulsifier Efficiency}} \)
Example: \( \text{Emulsifier Amount} = \frac{50}{0.8} \)
Definition: A 20% emulsion means 20% of the total volume is the dispersed phase.
Formula: \( \text{Dispersed Phase} = \frac{20}{100} \times \text{Total Volume} \)
Example: \( \text{Dispersed Phase} = \frac{20}{100} \times 500 \)
