| abstract |
Use of urea as an antimicrobial additive in an aqueous suspension, comprising from 5 to 85 wt.-%, based on the total weight of the suspension, of at least one calcium carbonate-comprising material and having a pH of between 7.0 and 14, a process for preserving an aqueous suspension against microbial growth, an aqueous preparation obtainable by the inventive process as well as the use of the aqueous preparation in agriculture. |