Parts Per Quadrillion (PPQ) Calculator
Posted by Dinesh onppq is a value that represents the concentration of one part per quadrillion parts (1/1,000,000,000,000,000) of something in water or soil. One ppq is equivalent to 1 milligram of something per liter of water or 1 milligram of something per kilogram of soil.
Formula:
PPQ = (Defective Parts / Total Parts) × 1,000,000,000,000,000
Defective Rate = (Defective Parts / Total Parts)
Defective Rate (%) = (Defective Parts / Total Parts) × 100