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Merck

1.11104

Total Hardness Test Kit, titrimetric

titrimetric, for use with MQUANT®

Synonym(s):

Total Hardness Visual Test Kit

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About This Item

UNSPSC Code:
41116116
NACRES:
NA.24
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Product Name

Total Hardness Test, titrimetric, for use with MQUANT®

specific analyte(s)

calcium, magnesium

compatibility

for use with MQUANT®

detection method

titrimetric

storage temp.

15-25°C

Quality Level

General description

Method: titrimetric with dropping bottle MQuant®
This MQuant® Total Hardness test (formally MColortest®) is suitable for the titrimetric determination using a convenient dropping bottle. It can be used in:
  • Groundwater, surface water, and seawater
  • Waters from aquaculture
  • Drinking water and mineral water
  • Swimming-pool water
  • Boiler water

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

10 - Combustible liquids

wgk

WGK 2


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

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pdsc

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prtr

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fsl

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ishl_indicated

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ishl_notified

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Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
1.11104.000104022536130286

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