A-PDF Scan and Split (http://a-pdf.com/scan-and-split/index.htm ) is a useful program that makes it possible for you to separate large PDF files into multiple PDF files based on the blank pages or barcode. It can help you save your time in the reason that A-PDF Scan and Split allows you to batch scan large volumes. Besides, there are various name patterns for the output PDF files.For more: http://a-pdf.com/faq/index.php?title=can-i-split-pdf-file-based-upon-the-barcode-inside-the-pdf-file-by-using-a-pdf-scan-and-split .