PCB No. 141, 100µg/ml in Isooctane, 1ml Back Catalog number: 66141 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679811 Sulfaguanidine monohydrate, 100 µg/ml, Methanol, Price on request 54256 Ammonium (NH4+) Price on request X9110 Fluorene Price on request