Preparations in the nature of chemical, biochemical and immunochemical reagents for non-medical purposes; chemical reagents for non-medical purposes and chemical products in the nature of chemically-treated non-medical test strips to test water and chemically-treated nonmedical test strips; chemically-treated non-medical test strips for use in the surveying, testing and monitoring of fluids; preparations in the nature of chemical, biochemical and immunochemical reagents for non-medical purpos...