AdultaCheck® 4, 6 and 10: U.S. and Foreign Patents and Patents Pending In 1998, Chimera introduced the first dry chemistry test strips designed specifically for on-site adulteration testing of urine. The AdultaCheck® 4 test strip provides test pad for the semi-quantitative measurement of creatinine, nitrite, glutaraldehyde and pH. It was the first dry chemistry...