LaMotte COD3 Plus Operator's Manual page 32

Test Factor (Test #)
Sulfi de-Low Range (090)
Tannin (093)
Turbidity (095)
Zinc-Low Range (097)
Range (ppm) MDL
0.00–1.50 0.06
0.0–10.0 0.1
0–400 FAU 3
0.00–3.00 0.05
Test Method (# of Reagents)
Methylene Blue (3)
Tungsto-molybdophosphoric
Acid (2)
Absorption (0)
Zincon (6)
# of
Tests
50
50
–
50