UV 254 Absorbance / DOC Back Catalog number: 54166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677985 Fenamiphos, 100 µg/ml, Toluene, 1ml Price on request L429-IS Method 429 Internal Standard Solution, 100µg/ml in Isooctane/25% toluene, 1,2ml Price on request 10540.17-1G Michler's base Price on request