1.08040
Total Hardness Test Refill pack
for use with MCOLORTEST®
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About This Item
UNSPSC Code:
41116116
Recommended Products
feature
refill
Quality Level
specific analyte(s)
calcium, magnesium
compatibility
for use with MCOLORTEST®
detection method
titrimetric
storage temp.
15-25°C
General description
This refill pack contains all the reagents for the MQuant® test kit 1.08047 for the colorimetric evaluation of total hardness. When the reagents of the MQuant® test are used up, the kit can be replenished by ordering the appropriate refill pack. Refill packs are available for a range of MQuant® test kits, making it a particularly economical and ecological system.
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
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Certificates of Analysis (COA)
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