the density of ethanol we calculate the production of one gallon 100% ethanol. from 11.59 pounds starch. In terms of corn as substrate and taking the weight. of a bushel of corn to be 56 pounds containing 6% w/w starch, a bushel of corn. would Yield 2.95 gallons of ethanol.
A purchase order (PO) is a commercial document and first official offer issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services.
Key Differences Between Purchase Order and Invoice. 1  Purchase Order is created by the buyer while the seller creates an invoice. 2  Purchase Order is issued to the seller whereas Sales Order is issued to the buyer.  The Purchase Order contains only purchase order number while invoice includes both purchase order number and invoice number.