Glycylglycylglycylglycine>97.0%(HPLC)(T)1g

di-Sodium hydrogen phosphate dihydrate 99 +%, Foodgrade, FCC, E339 (ii) 5 Kilogram

Sodium persulfate 99 +%, pure 500 gram

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

Ammonia 25%, pure 5 Liter

Citric acid, anhydrous 99.9 %, Ph . Eur. USP, FCC, Ultra Pure 10 Kilogram

Caffeine 99.5+% Pure 50 gram

Ammonium chloride 99+%, pure, foodgrade 2.5 Kilogram

Ammonium iron(III) citrate ca. 15 % Fe, green 1 Kilogram

Potassium hydrogen tartrate 99,5 %, extra pure 1 Kilogram

Silver nitrate 99.9 +% Extra pure 1 Kilogram

Vanillin 99,5+% Extra Pure, Foodgrade 50 gram

Ammonium metavanadate 99,9+% extra pure 250 gram