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Humic acids in sediments of North-Central Arabian Sea, west coast of India (2021)

Shetty, D.C. ; Shanmukhappa, H. ; Neelakantan, B.

In: http://aquaticcommons.org/id/eprint/15990 | 12051 | 2015-01-19 15:54:06 | 15990 | Indian Fisheries Association

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Publication Date: 2021-07-11

Description: Sediment samples (28) collected during the ORV Sagar Kanya cruise-29, were analysed for humic acid (HA) concentration from the North-Central Arabian Sea. Generally oceanic samples had more HA concentration than the continental shelf (〈 200 m depth) samples. The photo-acoustic infrared spectra of shelf sediment HA indicated the presence of more C-H saturated aliphatic chains, while oceanic HA had few peaks for the above groups. Both the IR spectra indicated the absence of aromatic C = C, carbonyl, ketonic groups. Clayey-silt sediment generally had higher concentration of HA compared to sandy-silt type of sediment.

Keywords: Biology ; Chemistry ; humic acids ; sediment chemistry ; marine ; North-central Arabian Sea ; Indian western coast ; India

Repository Name: AquaDocs

Type: article

Format: application/pdf

Format: 393-399

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