Vol. 7 No. 1 (2025): Journal of Chemical Natural Resources (JCNaR)

Articles

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  Analysis of River Water Quality in Medan Belawan Regency based on the Diversity Index of Aquatic Insects as an Effort to Improve the Health of River Ecosystems from Heavy Metal Contamination (Ni)

  Muhammad Taufik, Helen Gandaria Situmorang, Zul Alfian

  1-9

  • pdf
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  Phytochemical Screening, Determination of Total Phenolic Contents and Total Flavonoid Contents of Pod Purified Extract from Caesalpinia pulcherrima (L.) Sw.

  Sovia Lenny, Febriyanti Br Surbakti, Juliati Br Tarigan

  10-19

  • pdf