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http://krishi.icar.gov.in/jspui/handle/123456789/26769| Title: | Release of urea from cellulosic hydrogel coated urea granule: Modeling effect of crosslink density and pH triggering |
| Other Titles: | Not Available |
| Authors: | Sarkar, D. J., T. Bera, A. Singh |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Central Inland Fisheries Research Institute |
| Published/ Complete Date: | 2019-01-01 |
| Project Code: | Not Available |
| Keywords: | Urea, hydrogel coating, carboxymethyl cellulose, triggered release formulations |
| Publisher: | Not Available |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Urea granules were coated with CMC-g-cl-PAA hydrogel by in situ spraying and polymerization technique with mean thickness of 0.24 mm. Water absorption capacity of hydrogel coated urea granules varied from 18.67 to 217.33 g/g depending on pH. Urea release was extended due to hydrogel coating and kinetic analysis at different pH (4.0, 7.0 and 9.2) revealed a sigmoid function as best fit model. The coated urea granules showed pH triggered release property with higher rate in alkaline medium and slower in acidic medium. The prepared hydrogel coated urea granules may find its application in integrated water and nutrient management strategies in agriculture. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Polym. Plast. Technol. Mater |
| Volume No.: | Not Available |
| Page Number: | Not Available |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | https://doi.org/10.1080/25740881.2019.1587772 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/26769 |
| Appears in Collections: | FS-CIFRI-Publication |
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