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Zinc

Zinc Test Kits for Cooling Water Towers

Zinc is widely used as a cathodic corrosion inhibitor.

As a corrosion inhibitor in cooling water applications, zinc acts by producing a oxygen impermeable film of zinc hydroxide at the cathode, thus stifling corrosion reaction. Typical low level residual being between 1 and 10 mg/l.

Zinc is also used in the electrolytic galvanising of metal surfaces for corrosion protection. Effluent discharge consent on galvanising plant is strickly monitored for a range on metails, including zinc.

The Kittiwake Zinc Test Kits for Cooling Water Towers provide a means of measuring both cooling water concentrations and effluent discharge levels.

Colorimetic methods for measuring up to 4mg/l are available using colour card, checkit, comparator and photometer . Drop Tests and titration tests have extended ranges, up to 10mg/l.

The table below gives a chart of recommended tests.
R = Recommended, X = Suitable for use

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Zinc
Drop Test
Titrator Test
Micro Burette
Checkit
Colour Card
Comparator
Photometer
Cooling Towers & Systems
R
R
 X X X X
R
Waste Water & Sewage X X X X X
R
Agriculture & Hydroponics X X
R
 X X
R

Product Table
Code
Product
Range
No. Tests
No. Reagents
AS-K26072-KW Zinc (Free Soluble) DIGI Titrator 0.1-10 ppm (Zn) 100 1 x 65 ml, 1 x pot, 1 x cartridge
AS-K26073-KW Zinc (Total Complexed)DIGI Titrator 0.1-10 ppm (Zn) 100 3 x 65 ml, 1 x pot, 1 x cartridge
AS-K22266-KW Zinc Smart II Photometer 0-2.5ppm Zn 1 unit 1 x 65ml, 1 x pot
AS-K22359-KW Zinc (Free Soluble) Drop Test 1-10 ppm Zn 120
AS-K22361-KW Zinc (Total Complex) Pack Drop Test 1-10 ppm Zn 120