sodium bisulphat  sodium dichromate potassium ferrocyanide sodium silicofluoride potassium dichromate sodium bicarbonate phosphoric acid hyhydrat nitric acid 68%

dichromate potassium dichromate potassium hydroxide potassium hydroxide potassium permanganate potassium permanganate (potassium permanganate) paraffin wax paraffin wax (candle) phosphoric acid phosphoric acid red phosphorus red phosphorus salicylic acid salicylic acid selenium selenium silicon