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VISOCOLOR HE Kits and Refill Packs - Titrimetric determination of total hardness

Macherey-Nagel Complexometric titration in accordance with DIN 38406 E3 and DIN 38409 H6. Copper(II) ions can delay or (in higher concentrations) even block the color change of the indicator. For this reason allow enough water to run through copper pipes prior to sampling. -- The total hardness of water is based on its content of alkaline earth ions (calcium and magnesium ions). This content depends on the geological conditions the water encounters during its course and may vary widely. Knowledge of the total hardness is important for the use of water in industrial as well as municipal applications, e. g. in the household as wash water or as boiler feed water in industry. Additional reagent:931 929 VISOCOLOR® ECO Reagent to eliminate copper ions during determination of total hardness
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ProductsDescription

VISOCOLOR HE Total Hardness H 2 titration test kit- 200 Tests- 0.06-2.50 °e / 0.01-0.36 mmol/L

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1222336
915002
MN/915002

£42.51 (exc. VAT)
£51.01 (inc. VAT)
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DescriptionReviews
  • Type- high sensitive titration kit
  • Range- 0.05 – 2.00 °d or 0.01 – 0.36 mmol/L Ca2+ 1 gradation mark = 0.05 °d or 0.01 mmol/L Ca2+
  • Sufficient for- 200 tests with an average hardness of 1 °d or 0.18 mmol/L Ca2+
  • Shelf life- at least 1,5 years after production
  • Sea water suitability- no

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