Calibration Standard Mix 2 Back Catalog number: 53044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BPS Bis(4-hydroxyphenyl) sulfone, 1.2ml x 50ug/ml, methanol Price on request 677732 2-Isopropylphenol, 500mg Price on request 676914 Decabromodiphenyl ether, 100mg Price on request