Nitrate Comparator

Notice: As of 7/8/2024 this comparator has been updated to include multiple ranges. Please reference the instructions included in your test kit to ensure you are using the correct scale.

C-6904 is a direct replacement for comparators C-6906, C-6909A, and C-6909D.

C-6904 Nitrate Comparator is a component of K-6904 Nitrate CHEMets Visual Test Kit and is designed to be compared against the color formed in R-6902 Nitrate CHEMets Refill. The comparatorís range is applicable to many environmental applications.