Octa-Slide Comparator
- Tests total iron after any ferric iron is reduced to ferrous in the sample
- Sufficient for 90 tests
Ferrous and ferric iron may be tested separately by eliminating the reduction step. Octa-Slide has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0 and 10 ppm Fe.