Devices and instruments for analyzing water, aqueous solutions, waste water and process solutions, namely, test strip reader for evaluating the test strips, test sticks, and reagent papers; devices and instruments for evaluating test strips, test sticks and reagent papers for analyzing water, aqueous solutions, waste water and process solutions, namely, reader for evaluating the test strips, test sticks, and reagent papers; devices and instruments for evaluating test strips, test sticks and r...

Test papers with color scale for the analysis of water, waste water and process solutions