Performance

Measuring Range

10 to 200 mg/L

Sampling Time

1 minutes

Detecting Limit

3 mg/L

Colour Change

Brown → White

Reaction Principle

2Cl^- + Ag2CrO4 → 2AgCl + CrO4^2-

Shelf Life

3 Years

Corrections for temperature & humidity

Unnecessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

CN^-

10 mg/L

+

White(1mg/L)

Br^-

10 mg/L

+

White(10mg/L)

SCN^-

1 mg/L

+

White(100mg/L)

Fe²⁺

20 mg/L

-

No (1000 mg/L)

Fe³⁺

20 mg/L

+

White(20mg/L)

F^-

1000mg/L

No

No (1000 mg/L)

I^-

20 mg/L

+

Pale yellow (20mg/L)

S^2-

3 mg/L

+

Blackish gray (3mg/L)

SO4^2-

1000 mg/L

No

No (1000mg/L)