Hanna Instruments HI38033 Total Hardness 0-30 gpg Range Test Kit, For 100 Tests
Price:
$19.64
- Test kit comes with 30mL buffer solution, 10mL calmagite indicator, 75mL EDTA solution (2), 20mL plastic beaker with cap and 1mL plastic pipette
- Water hardness has traditionally been defined as the capacity of water to precipitate soap
- It is also now known that certain other ion species, such as iron, zinc and manganese, contribute to the overall water hardness
- The ionic species in the water causing the precipitation was Later found to be primarily calcium and magnesium
- The measure and subsequent control of water hardness is essential to prevent scaling and clogging in water pipes
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