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2021•IOP Conference Series Earth and Environmental ScienceOpen access

A decrease in the activity of Hg2+due to the provision of humic acid and fulvic acid onentisols polluted by heavy metals of mercury

Isrun, Muhammad Basir-Cyio, I Wahyudi, U Hasanah, Husnul Mubarak

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Abstract

Abstract Analyze the decrease of the concentration of heavy metals Hg2+on entisols polluted by mercury due to the provision of humic acid and fulvic acid of Tithonia diversifolia. There are nine levels: With no humic acid and fulvic acid treatments (FVA0); 50 ml of fulvic acid per kg-1soil (FA50), 75 ml (FA75),100 ml (FA100), 125 ml (FA125), 50 ml of humic acid per kg- 1soil (HA50), 75 ml (HA75), 100 ml (HA100), and 125 ml (HA125). The concentration of Hg2+in entisol was measured by means of Mercury Analyzer (AAS). The results revealed that regarding mercury content in the soil, fulvic acid had a better effect on the change of Hg- chelate compared with humic acid. Fulvic acid was able to increase Hg-chelate up to 96.58%, whereas humic acid by 83.06% at a dose of 125 ml kg-1entisols for 40 days of incubation.

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Abstract Analyze the decrease of the concentration of heavy metals Hg2+on entisols polluted by mercury due to the provision of humic acid and fulvic acid of Tithonia diversifolia. There are nine levels: With no humic acid and fulvic acid treatments (FVA0); 50 ml of fulvic acid per kg-1soil (FA50), 75 ml (FA75),100 ml (FA100), 125 ml (FA125), 50 ml of humic acid per kg- 1soil (HA50), 75 ml (HA75), 100 ml (HA100), and 125 ml (HA125). The concentration of Hg2+in entisol was measured by means of Mercury Analyzer (AAS). The results revealed that regarding mercury content in the soil, fulvic acid had a better effect on the change of Hg- chelate compared with humic acid. Fulvic acid was able to increase Hg-chelate up to 96.58%, whereas humic acid by 83.06% at a dose of 125 ml kg-1entisols for 40 days of incubation.

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Available abstract

Abstract Analyze the decrease of the concentration of heavy metals Hg2+on entisols polluted by mercury due to the provision of humic acid and fulvic acid of Tithonia diversifolia. There are nine levels: With no humic acid and fulvic acid treatments (FVA0); 50 ml of fulvic acid per kg-1soil (FA50), 75 ml (FA75),100 ml (FA100), 125 ml (FA125), 50 ml of humic acid per kg- 1soil (HA50), 75 ml (HA75), 100 ml (HA100), and 125 ml (HA125). The concentration of Hg2+in entisol was measured by means of Mercury Analyzer (AAS). The results revealed that regarding mercury content in the soil, fulvic acid had a better effect on the change of Hg- chelate compared with humic acid. Fulvic acid was able to increase Hg-chelate up to 96.58%, whereas humic acid by 83.06% at a dose of 125 ml kg-1entisols for 40 days of incubation.

Key concepts: Humic acid, Chemistry, Mercury (programming language), Fulvic acid, Entisol, Environmental chemistry, Chelation, Soil water

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A decrease in the activity of Hg2+due to the provision of humic acid and fulvic acid onentisols polluted by heavy metals of mercury — Research Paper | ScholarLens