Product Yield Calculation is a process that is used to calculate and monitor the yield of a product that is under manufacturing.
Calculation of yield or line loss is monitored during every
stage of manufacturing to ensure that yield or line loss is within the
recommended range. All pharmaceutical industries have a SOP that defines the
final yield of a pharmaceutical product after packaging. What is the yield?
Yield is usually measured in percentage and it is the ratio of product quantity
before manufacturing and product quantity after manufacturing or ratio of the
theoretical quantity of the product to the practical quantity of the product
and its formula is as follow,
Yield = Quantity of product after manufacturing ÷ Quantity of the product before manufacturing × 100
or
Yield = Actual Quantity ÷ Theoretical Quantity ×100
For Example: Actual Quantity = 4,000
Theoretical Quantity = 5,000
Yield = 4,800 / 5,000 x 100 = 96%
Yield limit:
Yield limit should be as tight possible to reduce process loss. But should not be impossible something (i.e., 99%-100%).
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