Yttrium (Y) Back Catalog number: 58139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682921 Thifensulfuron-methyl, 100 µg/ml, Acetonitrile, Price on request 22003 EPA Method 8240A Internal Standard Price on request 685128 Ethylisopropylnitrosamine, 100 µg/ml, Methanol, Price on request