| abstract |
A dry composition for mixing with water, the dry composition containing the following components per liter of aqueous solution to be prepared: a) 30 g to 350 g of polyethylene glycol, b) 3 g to 20 g of a mixture of ascorbic acid and one or more salts of ascorbic acid ("the ascorbate component") and c) optionally one or more electrolytes selected from sodium chloride, potassium chloride, sodium bicarbonate and one or more alkali metal or alkaline earth metal sulfates. |