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一般描述
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
分析说明
Application test: conforms
法律信息
MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Warning
危险声明
危险分类
Flam. Liq. 3 - Met. Corr. 1
储存分类代码
3 - Flammable liquids
WGK
WGK 1
法规信息
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