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Filogeni Jurnal Mahasiswa Biologi
Article . 2025 . Peer-reviewed
Data sources: Crossref
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Uji kadar amonia dengan spektrofometer secara fenat

Authors: Jusmiati Jusmiati; Aswar Rustam; Rosma Rosma;

Uji kadar amonia dengan spektrofometer secara fenat

Abstract

Amonia dalam air dapat berasal dari aktivitas manusia, seperti limbah industri dan pertanian, yang dapat mencemari ekosistem perairan. Pengukuran kadar amonia sangat penting untuk pemantauan kualitas air dan pengelolaan lingkungan. Penelitian ini bertujuan untuk mengukur kadar amonia (NH₃) dalam sampel air sungai menggunakan metode spektrofotometri dengan reagen fenol. Metode yang digunakan dalam penelitian ini melibatkan pembentukan kompleks indofenol antara amonia dan fenol yang dapat diukur menggunakan spektrofotometer pada panjang gelombang 640 nm. Larutan standar amonia digunakan untuk membuat kurva kalibrasi, yang kemudian digunakan untuk mengukur konsentrasi amonia dalam sampel uji. Hasil penelitian menunjukkan bahwa absorbansi sampel uji berbanding lurus dengan konsentrasi amonia yang terkandung di dalamnya, yang sesuai dengan hukum Beer-Lambert. Konsentrasi amonia yang terukur dalam sampel uji bervariasi antara 0,00 hingga 20,8 mg/L, tergantung pada konsentrasi amonia dalam sampel. Dengan demikian, metode spektrofotometri ini terbukti efektif, akurat, dan dapat diandalkan untuk pengukuran kadar amonia dalam air, serta dapat diterapkan untuk pemantauan kualitas air dalam pengelolaan lingkungan.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold