Xanthine>98.0%(HPLC)25g

Magnesium Oxide 98+% Ph. EUR. light 1 Kilogram

di-Potassium hydrogen phosphate 99.5% extra pure, food grade, E340 5 Kilogram

Potassium dihydrogen phosphate 99.5 +% extra pure, food grade, E340 1 Kilogram

Sodium bicarbonate 99% foodgrade 1 Kilogram

Ethyl oleate, Ph. Eur, USP, Extra pure 100 Milliliter

n-Heptane 100 Milliliter 99% pure

p-Toluenesulphonic acid monohydrate 98 %, pure 10 Kilogram

Hydrogen Peroxide, Ph.Eur., Ultra Pure 1 Liter 35% Glas

L (+) - Tartaric Acid 99.9 +% FCC, Ph. Eur, Foodgrade, E334 1 Kilogram

Acetonitrile 99.9+% Ultra Pure 25 Liter

Oxalic acid 99+% Pure 10 Kilogram

Sodium chlorite 80% 500 gram