Method for Suppressing the Leachability of Certain Metals
The interaction of Sn, Sb and Pb with tungsten in contact with an aqueous medium has a synergistic effect in which the leachability of each metal is suppressed. This means that tungsten has the ability to suppress the leachability of these same metals, in particular lead. For example, tungsten may b...
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| Main Authors | , , |
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| Format | Patent |
| Language | English |
| Published |
07.09.2006
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The interaction of Sn, Sb and Pb with tungsten in contact with an aqueous medium has a synergistic effect in which the leachability of each metal is suppressed. This means that tungsten has the ability to suppress the leachability of these same metals, in particular lead. For example, tungsten may be added to the lead-contaminated soil in order to suppress lead contamination of the ground water by forming lead tungstate which has a very low solubility. |
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| AbstractList | The interaction of Sn, Sb and Pb with tungsten in contact with an aqueous medium has a synergistic effect in which the leachability of each metal is suppressed. This means that tungsten has the ability to suppress the leachability of these same metals, in particular lead. For example, tungsten may be added to the lead-contaminated soil in order to suppress lead contamination of the ground water by forming lead tungstate which has a very low solubility. |
| Author | MORGAN RICKY D STEVENS HENRY J LUNK HANS-JOACHIM |
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| Snippet | The interaction of Sn, Sb and Pb with tungsten in contact with an aqueous medium has a synergistic effect in which the leachability of each metal is... |
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| SubjectTerms | CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS FIRE-FIGHTING HUMAN NECESSITIES INORGANIC CHEMISTRY LIFE-SAVING METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| Title | Method for Suppressing the Leachability of Certain Metals |
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