Biodiesel - B50 Blend Back Catalog number: 51191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BPB 2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol Price on request 93103 Aroclor 1242 Price on request 90604 Aroclor 1242 Price on request