Water hardness test kit hanna hi38033-100
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Water hardness test kit hanna hi38033-100
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Description
Water hardness test kit hanna hi38033-100
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HI38033 is a titration-based chemical test kit that determines the total water hardness concentration within the range 0 to 30 grains per gallon (gpg).
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HI38033 comes with all the necessary reagents and equipment to perform the analysis.
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The test kit contains enough reagent for approximately 100 tests.
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The hardness scale of calcium carbonate, gpg (CaCO3), was determined by EDTA (ethylene-diamine-tetraacetic acid) titration.
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First, the solution is adjusted to pH 10 using a buffer solution. Metal ion chelating indicator Like magnesium Or calcium to form red complexes
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When EDTA is added, it complicates the metal ions. After mixing all the free metal ions, the excess EDTA removes the complex metal ions with an indicator to form a blue solution.
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The color change from red to blue is the end of the titration.
property
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Complete set-up: All required materials are supplied with a test kit such as a sample beaker, plastic pipette and reagent bottle.
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High Resolution: Reading from 0 to 30 gpg is set to 1 gpg resolution.
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Contains replacement fluid: no need to buy a new one when the solution runs out. Can order a set of reagents
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HI38033-100 to replace the reagents supplied with the kit. This kit comes with 1 (30 mL) buffer dropper bottle, 1 Calmagite dropper bottle (10 mL), and 2 HI38033-0 EDTA (75 mL) reagent bottles.
