Parameter

Technical specification

Range, Increment, method, number of test

Time

Na₂B₄O₇

Borax

-     LOD 50 mg/l in extract.

-     Method: color change.

-     Number of tests: 50.

7-15 min

NO₂^-

Nitrite

-     0,1; 0,2; 0,3; 0,5; 1; 2 mg/l in extract.

-     Method: color chart comparision.

-     Number of tests: 30.

15 min

H₂S/HS-

Hydrogen Sulfite

-     0,1; 0,2; 0,3; 0,5; 0,75; 1; 2; 5; 10 mg/l in extract.

-     Method: color change.

-     Number of tests: 60.

3 min

CH₄N₂O

Urea in fish and milk

-     LOD 50 mg/l in extract.

-     Method: color change.

-     Number of tests: 50.

0,5 -2 min

NH₃

Ammonium

-     0,1; 0,2; 0,3; 0,5; 1; 2; 5; 10mg/l in extract.

-     Method: color chart comparision.

-     Number of tests: 100.

15 min