Range:0.5, 1, 3, 5, 10mg/l

Reaction Time:2min

Method:DDTC

Quatity(pcs/box):50test

Cautions

1. The Copper PACK TEST allows to measure dissolved Cu2+ ion fraction. If you wish to measure

total copper fraction including suspended particles, you must process samples in order to

dissolve solid phases.

2. The normal pH range is 5 - 9. If necessary, adjust the pH with diluted sulfuric acid or sodium

hydroxide solution.

3. Ensure that PACK TEST tube is filled up to the half.

4. Partially undissolved reagent will not affect the measurement.

5. Keep sample temperature in the range 15°C - 40°C. Lower temperature necessitates longer

reaction time.

6. Read the test under a daylight type lamp.

7. Put the line back into the aperture after use to prevent reagent spilt.

Interferences

Standard colors were determined from standard solutions. However, coexisting ions can modify

reaction color. The list below reports ion concentrations under which ones interferences are

insignificant:

≤ 1000 mg/L : Al3＋, As3＋, B3＋, Ba2＋, Ca2＋, Cd2＋, Cl－, F－, I－, K＋, Mg2＋, Mn2＋, Na＋, NH4

＋, NO2

－,

NO3

－, Pb2＋, PO4

3－, SO4

2－, Zn2＋, Phenol

≤ 250 mg/L : Residual chlorine

≤ 50 mg/L : Co2＋, Cr3＋, Fe2＋, Fe3＋, Sn2＋

≤ 25 mg/L : Ag＋

≤ 10 mg/L : Ni2＋

≤ 5 mg/L : CN－, Cr6＋

The Copper (DDTC) PACK TEST is suitable for sea water samples.