AQUADUR Water Hardness Test Strip

AQUADUR 5–25, for water hardness, box

Customer link and technical handbooks

Category

Commercial low- and medium cost sensors

Environmental matrix

Water

Parameters analysed

Water

Detection limits

Total hardness – <3.75 • >6.25 • >12.5 • >18.75 • >25 • >31.25 °d, Total hardness – <3.75 • >6.25 • >12.5 • >18.75 • >25 • >31.25 °e, Total hardness – <5.4 • >9 • >18 • >27 • >36 • >45 °f, Total Hardness – < 54 • > 90 • > 180 • > 270 • > 360 • > 450 ppmA unit of concentration expressed as parts per million. Equivalent to 1 x 10⁻⁶. More CaCO₃

Sensor functionalities

Test strips are for the quick and easy determination of water hardness as the presence of mainly calcium (Ca²⁺calcium More) and magnesium (Mg²⁺) cations.

Costs

Low cost (20 – 30 €) 

Advantages

User-friendly handling
Precise color match
Easy to handle and provides outstanding measurement safety

Limitations

Single-use strips
Only determine the greater acidity or alkalinity of the tested sample
Test strip for 1 s with all test fields in the sample solution

Other technical specifications

Only 100 test strips in a tube.

Applicability 

The simplest and most basic way to apply acidity to any sample used in households and laboratories.