DL-Valine, min. 99%, for biochemistry, 50 g, plastic packaging.

di-Potassium hydrogen phosphate 99.5% extra pure, food grade, E340 500 gram

Caffeine 99.5+% Pure 500 gram

Praseodymium(III) Nitrate Hexahydrate 99+% Pure 250 gram

Urea 99,5 %, pure 1 Kilogram

Methylcyclohexane 99+% Extra Pure 25 Liter

Formic Acid 99+% Extra pure 500 Milliliter

Zinc Sulphate Monohydrate 97%, pure 25 Kilogram

Ammonium Sulfate 99 +% p.a. 5 Kilogram

Hydrochloric acid 10 Liter 30% puur