The HI3812 is a chemical test kit that measures total hardness as CaCO3 by titration with EDTA. The HI3812 is supplied complete with all of the reagents and equipment necessary to perform approximately 100 tests.
Specifications:
– Range : 0 – 300 ppm CaCO3
– increment : 0.3 ppm
– analysis method : EDTa titration
– number of test: 100 (average)
Water hardness has traditionally been defined as the capacity of water to subside soap. The ionic species in the water causing the precipitation was later found the chemicals to be primarily calcium and magnesium. In the present, therefore, water hardness is actually a quantitative measure of these ions in the water sample. It is also now known that certain other ion species, such as iron, zinc, and manganese, contribute to the overall water hardness. The measure and subsequent control of water hardness are essential to prevent scaling and clogging in water pipes.
The HI 3812 test kit tests the hardness level as mg/L (ppm) calcium carbonate, via an EDTA (ethylene-diamine-tetraacetic acid) titration.
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