Ward's® Disinfectant Sensitivity Lab Activity

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470105-820KT 119.99 USD
470105-820
Ward's® Disinfectant Sensitivity Lab Activity
Educational Classroom Kits and Activities
Test Effectiveness of Various Commercial Cleaners

Do disinfectant cleaners really work as advertised? Find out by testing five disinfectant samples against two common nonpathogenic bacterial strains. Students place disinfectant disks on a bacterial culture; if it is effective against the bacteria, a clear zone will appear around the disc. It comes with tube cultures of Bacillus subtilis and Escherichia coli, materials for six setups, teacher’s guide, and student copymaster. Note: Coupon included for perishable materials. Redeem by mail, fax, phone, or e-mail

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