| http://www.w3.org/ns/prov#value | - The instrument's range of application includes but is not limited to drinking water supplies (various types of alkalinity and water hardness), osmosis plants (hardness and chlorine), electroplating (chromate and chrome VI), de-ironing plants (iron), large-scale industry steam boilers and cooling towers (water hardness, polyamines and phosphate), and swimming pools (free and total chlorine).
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