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2010
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
The sorption properties of an adjoining rock and its modified forms obtained by treatment with modifier solutions, including coal humic acids, were studied. The applicability of new organomineral sorbents to the extraction of copper, nickel, and calcium ions from model mineralized aqueous solutions and industrial wastewater was demonstrated. It was found that the efficiency of the test sorbents was comparable to the sorption capacity of commercial carboxylic cation-exchange resins.