Tilsæt 3, 9 ± 0, 1 gram af fast ammonium acetat til et 50 ml målekolbe.
2) 1:1 Methanol / 1M Ammonium Acetate (MAM) 1M Ammonium Acetate - Add 3.9 ± 0.1 grams of solid ammonium acetate to a 50 ml volumetric flask.