Low Level QAC Test Strip, 100ppm

Low Level QAC Test Strip, 100ppm
1. Remove one test strip from the vial, being careful not to touch the test pad with your fingers.
2. Dip the test strip into the solution being tested and move back and forth 5 times, then remove.
3. Compare the test strip to the color chart after 10 seconds.

Precision Laboratories quat test papers and strips utilize an effect commonly referred to as the “protein-error of indicators” to quantify the QAC ppm levels. While first observed with proteins (thus the name), the technique utilizes pH indicators and buffering systems to create an environment where the test paper or strip reacts (develops color) proportional to the amount of analyte (QAC) present. The PL quat test papers and strips have color charts calibrated to solutions prepared from OASIS 146, an industry standard quat product. The performance of the papers and strips with alternate quat products should always be verified. In addition, any additives should be evaluated to see if they contribute to the “protein-error” effect.