C-2801 Low Range Chromate Comparator is a component of K-2810 Chromate (hexavalent) CHEMets Visual Test Kit and is designed to be compared against the color formed in R-2810 Chromate CHEMets Refill. The comparator's range is applicable for many industrial wastewater applications. Color standards are pink in color and cover a range of 0 to 1.0 ppm CrO₄.