The effects of water hardness level on washing quality using commercial laundry detergents

Document Type

Article

Publication Date

1-1-1991

Abstract

The water hardnesses were determined for 10 samples of water. A wide variation of water hardnesses were found ranging from very soft to very hard. The effectiveness of six commercial laundry detergents of different formulations were evaluated. The detergent containing a non‐ionic surfactant with a phosphate builder was found to give the best whiteness results, regardless of water hardness. Because of the possible environmental problems associated with the use of phosphates, consumers may wish to select the next most effective detergent formulation, which varied between water samples. Copyright © 1991, Wiley Blackwell. All rights reserved

Publication Source (Journal or Book title)

Journal of Consumer Studies & Home Economics

First Page

215

Last Page

222

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