Il test di prestazione IKW «Recommendation for the Quality Assessment of the Cleaning Performance of Hand Dishwashing Detergents» (Nitsch, C. Hüttmann, G. SÖFW-Journal, 128, Jahrgang 5, 2002) ed il test CHELAB «Washing up liquid detergents: Assessment of comparative soil removal performance» (Metodo interno CHELAB n. 0357) soddisfano i requisiti stabiliti nel presente documento, a condizione di includere anche una valutazione del grado di pulito ottenuto.
The IKW performance test ‘Recommendation for the quality assessment of the cleaning performance of hand dishwashing detergents’ (Nitsch, C. Hüttmann, G. SÖFW-Journal, 128, Jahrgang 5, 2002) and the CHELAB test ‘Washing up liquid detergents: Assessment of comparative soil removal performance’ (Internal CHELAB method No 0357) fulfil the requirements of this framework provided that testing of cleanness is included.