TEST PAPER QT-10 REFILLS , Pack of 5.

Details

Qt-10 Refill Package^ 5 rolls. For determining the conc. of quaternary ammonium compounds in the range of 0 to 400 ppm (0-100-200-300-400 ppm). The qt test paper works best in non-alkaline quats (ph of 7.5 or lower). For: alkyl dimethylbenzyl ammonium compounds roccal ii, hyamine 3500.