Hardness measurement reagent

Details Hardness measurement reagent Hardness measurement reagent

G - Physics

01

N

G01N 31/22 (2006.01) G01N 21/78 (2006.01) G01N 21/80 (2006.01) G01N 31/00 (2006.01) G01N 33/18 (2006.01) G01N 33/20 (2006.01)

Patent

CA 2502534

To provide a hardness measurement reagent unaffected by an M alkalinity in hardness measurement. A hardness measurement reagent as a one-solution type reagent includes a dye chosen from Eriochrome Black T (EBT) and Calmagite, triethanolamine, a glycol compound, and a pH buffer, in which the pH buffer includes a combination of amines selected from primary amines and secondary amines and a salt of a weak base.

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