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WebAmmonium hydroxide, 28–30% (w/w, Fisher A669-212). 2. Hexane (Fisher H2924) 3. Ethyl acetate (Fisher E1454) 4. Methanol (Fisher A412P4) 5. Acetonitrile (Fisher A9984) 6. 20 mM ammonium acetate (Fisher A637-500), pH 9.5. 7. Acetic acid (Fisher A38-212) 8. Trifluoroacetic acid (Sigma T6508-500ML) 9. WebFisher F44 Metal Detector has been added to your Cart . $276.10 $ 276. 10. FREE Returns . Return this item for free. Free returns are available for the shipping address you chose. … WebNov 9, 2024 · To avoid any effect from pedoclimatic factors, the three varieties were grown and collected at the same place, the National Institute of Agricultural Sciences, (Wanju, Korea) in early May. Acetic acid was purchased from Duchefa (Haarlem, The Netherlands). Acetonitrile (ACN) was purchased from Fisher (A9984, Waltham, MA, USA). birthday wallpaper download hd