Method 532 Surrogate Standard Back Catalog number: 30197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A15811500WA-100 Oxypurinol, 100µg/mL in Water, 1ml Price on request 79226 4,4’-Methylenebis(cyclohexyl isocyanate) Price on request 678488 Profluralin, 100 µg/ml, Acetonitrile, 1ml Price on request