1.14652
Total Hardness Test Kit, titrimetric
titrimetric, for use with MCOLORTEST®
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UNSPSC Code:
41116116
NACRES:
NA.24
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Permítanos ayudarleNombre del producto
Total Hardness Test in freshwater, titrimetric, for use with MCOLORTEST®
specific analyte(s)
calcium, magnesium
Quality Segment
compatibility
for use with MCOLORTEST®
detection method
titrimetric
storage temp.
15-25°C
General description
Method: titrimetric with dropping bottle MColortest®
The test measures the content of salts of the alkaline earth metals calcium, magnesium, strontium and barium in freshwater. For the determination the titrant is added dropwise to the sample until the added indicator changes its color.
This MQuant® Total Hardness test (formally MColortest®) is suitable for the titrimetric determination using a convenient dropping bottle.
Method
Calcium and magnesium ions react with an indicator to form a red complex compound. The indicator is released from this compound by titration with a solution of ethylenedinitrilotetraacetic acid disodium salt dihydrate (Titriplex® III). At the titration end-point the color changes to green. The total hardness is determined from the consumption of titration solution.
Method
Calcium and magnesium ions react with an indicator to form a red complex compound. The indicator is released from this compound by titration with a solution of ethylenedinitrilotetraacetic acid disodium salt dihydrate (Titriplex® III). At the titration end-point the color changes to green. The total hardness is determined from the consumption of titration solution.
Legal Information
MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany
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Clase de almacenamiento
10 - Combustible liquids
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