DL-Tryptophan, min. 98%, for biochemistry, 10 g, plastic packaging.

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

Praseodymium(III) Sulfate 99+% Pure 50 gram

Sulfuric acid 5 Liter 96-98%

Tri-Calcium Citrate Tetrahydrate 99+%, USP/FCC/E333(iii) 2.5 Kilogram

Hydrochloric acid 1 Liter HDPE fles 37% puur

Potassium thiocyanate 99.9 +% Extra pure 100 gram

Isopropyl alcohol 1 Liter 70% sprayfles

Ammonia 25%, pure 5 Liter

Hydrogen Peroxide, Ph.Eur., Ultra Pure 1 Liter 10% Glas

Magnesium powder 99.9%, <75 µm, Extra pure 100 gram

Titanium(IV) oxide ?98 %, extra pure 500 gram