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Hanna HI3812 Hardness 100 Chemical Test Kit

Hanna HI3812 Hardness 100 Chemical Test Kit

Item SKU: HI3812

MFG ID: HI3812 | UPC:




Hanna HI3812 Hardness 100 Chemical Test Kit

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

Specifications:

  • 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
http://www.hannainst.com/manuals/3812.pdf

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