FIELD: deactivation methods. SUBSTANCE: 7-10% aqueous suspension of bentonite clay powder with particle size 5-18 mcm is prepared and applied onto surface to be deactivated. Surface is then dried in air and dry powder is removed by metal sweepers and water. EFFECT: increased fullness of deactivation. 1 dwg, 1 tbl
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Authors
Dates
1997-10-27—Published
1990-08-07—Filed