11Range:5, 10, 20, 50, 100, 200

Color Comparison Method:Molybdenum Blue

Reaction Time:6.5min

Quantity(pcs/box):40

Interferences

Standard colors were determined from standard solutions. However, coexisting substances will

cause inaccurate results. The list below reports ion concentrations under which ones interferences

are insignificant:

≤ 5000 mg/L : Al3+, B3+, Ba2+, Ca2+, Cl-, CN-, Fe2+, I-, K+, Mg2+, Mn2+, Mo6+, Na+, NH4

+, NO3

-,

SO4

2-, Zn2+, Anionic surfactant, Phenol, Residual Chlorine, Formaldehyde

≤ 1000 mg/L : As3+, Co2+, Cr6+, Cu2+, F-, Fe3+, Ni2+, NO2

-

≤ 500 mg/L : PO4

3-

≤ 100 mg/L : Cr3+

The Silica PACKTEST is suitable for sea water samples.

Oxidative and reducing chemical can interfere with the measurement.