Hydrazine Back Catalog number: 55135 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFTRDA Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 80413 EPA Method 8040 - Surrogate Standard Mix Price on request 9499.10-100-AN Clofibric acid Price on request