REWORKING WATER HARDNESS FOR SUITABILITY TO PESTICIDE DILUTION.

Document Type : Original Article

Author

Central Agricultural Pesticides Laboratory, Agricultural Research Centre, Dokki Giza, Egypt

10.21608/ejar.1994.452091

Abstract

The results of this study indicated that drainage, lake and sea water possessed the highest degree of total hardness. The hardness of water reached 3200, 2400, 1400 and 520 ppm calcium carbonate for Red sea, Mediterranean sea, Qaroon lake and drainage water, respective­ly, compared with 160 ppm for Nile water. The addition of sodium carbo­nate, Zeolite and chelated ferrous to hard water reduced hardness to the level of Nile water. After such additions, pesticides passed success­fully emulsion or suspension stability tests.