Micro Essential Laboratory QT-10 Plastic Hydrion Low Range Quat Check Test Paper Dispenser, Single Roll, Food Service Test Strips, 0 - 400ppm
Brand: MICRO ESSENTIAL LABORATORY
Color: na
Calibrated to test the concentration of Alkyl dimethylbenzyl ammonium Compounds Roccal II, Hyamine 3500
Test solution should be room temperature (ideally 65-75 degree farhenheit)
Test paper should be held in motionless solution for ten seconds
Results should be read immediately
Color chart shows matches at increments of 0-100-200-300-400 ppm