Method 200.9 Single Elememt Kit Back Catalog number: 52252 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57281 Thallium (Tl) Price on request 79182 Endosulfan II Price on request 18000-0070-100AN5 L-Ascorbic acid sodium, 100µg/ml in Acetonitrile, Price on request