HI 3812 CTK Hardness Total

Manufacturer: HANNA Instruments Inc.

Order number: HI3812

Availability:         386 pcs. in stock

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Product information "HI 3812 CTK Hardness Total"

Water hardness has traditionally been defined as the capacity of water to precipitate soap. The ionic species in the water causing the precipitation was later found 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 is 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.


Order Information:
HI 3812 test kit comes with 30 mL hardness buffer, 10 mL calmagite indicator, 120 mL EDTA solution, 20 mL plastic beaker with cap, 50 mL plastic beaker with cap and 1 mL syringe with tip

Product Manuals

  Manual: Download

Specification :

Method   Titration
Range   0.0-30.0 mg/L
0-300 mg/L
Smallest Increment   0.3 mg/L
3 mg/L
Chemical Method   EDTA
Number of Tests   100
Weight   460 g



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