| abstract |
Storage-stable effervescent tablets contain one or more organic acids, one or more substances from the group of the carbonates and / or hydrogen carbonates and optionally further ingredients of detergents and cleaning agents and as stability improvers, based on the tablet weight, 2 to 20% by weight of one or more substances with a water absorption value of less than 0.5 g of water per 1 g of substance, the water absorption value of the substance being measured during one week of open storage at 30 ° C. and 80% relative atmospheric humidity. |