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Subject: by isolation chem. Natural humic substances generally have at least some Fe, Al, Mn, and/or other metals associated with them that cannot be fully removed by isolation and other processes such as passing the organic sample through a chelating resin.Путем выделения? Как-то кривенько. Или пойдет? Буду благодарен за идеи. |
| так и исходник кривенький... Попробуйте что-нибудь типа "отделения химическим путем" |
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