Division Czech Republic

Per hectolitre of absolute ethanol, any of the following formulations:

1. 1..

   • 0,4 litre solvent naphtha,

   • 0,2 litre kerosene,

   • 0,1 litre technical petrol.

2. 2..

   • 3 litres ethyl tert-butyl ether,

   • 1 litre isopropyl alcohol,

   • 1 litre unleaded gasoline,

   • 10 milligrams fluorescein.