| 摘要 |
<p>The present invention relates to the use of an amphoteric compound as solubiliser and discloses an alkaline concentrate in the form of a clear aqueous solution which, after deluting with water, is suitable for use as detergent and which contains at least 4 % by weight of a nonionic alkoxylate surfactant containing 2-12, preferably 3-10 alkyleneoxy groups having 2-4 carbon atoms, at least 50 % of the alkyleneoxy groups being ethyleneoxy groups, at least 13 % of a complexing agent, and 1-15 % by weight of an amphoteric compound.</p> |
