How to Calculate Original Test Portion?
Original Test Portion calculator uses Original Portion = Volume finally/Dilution Factor to calculate the Original Portion, The Original Test Portion formula is defined as the actual amount of solution to be taken for dilution to make a diluted mixture. Original Portion is denoted by Vo symbol.
How to calculate Original Test Portion using this online calculator? To use this online calculator for Original Test Portion, enter Volume finally (Vf) & Dilution Factor (Df) and hit the calculate button. Here is how the Original Test Portion calculation can be explained with given input values -> 2.5E+8 = 100/0.4.