1.08048
Carbonate Hardness Test
for use with MQUANT®
Synonym(s):
Carbonate Hardness Visual Test Kit
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About This Item
NACRES:
NA.24
UNSPSC Code:
41116116
specific analyte(s)
carbonate, hydrogen carbonate
Quality Segment
application(s)
cannabis testing
compatibility
for use with MQUANT®
detection method
titrimetric
storage temp.
15-25°C
General description
The MQuant® Carbonate Hardness test (formally MColortest®) uses a graduated syringe to determine carbonate hardness as a measure of the buffering capacity of water which can also be expressed as acid-binding capacity or total alkalinity.
Method
Hydrogen carbonate and carbonate ions are titrated with hydrochloric acid against a mixed indicator. At the titration end-point (at pH 4.3) the color changes to red. The carbonate hardness (acid capacity) is determined from the consumption of titration solution.
This test can be used in
Method
Hydrogen carbonate and carbonate ions are titrated with hydrochloric acid against a mixed indicator. At the titration end-point (at pH 4.3) the color changes to red. The carbonate hardness (acid capacity) is determined from the consumption of titration solution.
This test can be used in
- Surface water, seawater
- Drinking water and mineral water (after degassing)
- Aquarium water, waters from aquaculture
- Industrial water, process water
- Boiler and boiler feed water, cooling water
Analysis Note
Application test: conforms
Legal Information
MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Flam. Liq. 3 - Met. Corr. 1
Storage Class
3 - Flammable liquids
WGK
WGK 1
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