Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10507.7-10MG Methylhexanamine hydrochloride,neat,neat,10mg, Price on request 679670 D3-Ketoprofen, 10mg Price on request 50603 ICP Mix - 0.5 µg/mL Price on request