Izvestiya of Altai State University Journal. 2013 3-2(79). Content

Izvestiya of Altai State
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3-2(79)

2013

CHEMISTRY

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L. S. Egorova, M. I. Minin, A. G. Alieva

Test Method to Determine Total Hardness of Water

It is proposed to use test system to determine the total hardness of the water according to color intensity scale. This method is a quick and inexpensive way to analyze water in the laboratory and beyond.

DOI 10.14258/izvasu(2013)3.2-37

Key words: test system, total hardness, test strips, test strips, color scale, Eriohrom Black T, sodium carbonate

Full text at PDF, 267Kb. Language: Russian.

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