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Question/Answer

what is the concentration of your calcium carbonate std LC127001

The concentration of this solution is 1000 mg/L Hardness as CaCO3.

What is the Alkalinity as CaCO3

We do not have data on the alkalinity of this buffer. The requirement for this buffer according to the hardness method is that a 25 mL volume of sample achieves a pH of 10.0 ± 0.1 with the addition of 1-2 mL.

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