Analisis Kadar Logam Berat Kadmium (Cd) pada Tumbuhan Kangkung Air (Ipomoea aquatica F.) di Sungai Prambon Sidoarjo

Analysis of Cadmium (Cd) Heavy Metal Levels in Water Spinach (Ipomoea aquatica F.) in Prambon River Sidoarjo

    Industri merupakan sektor yang penting secara ekonomi tetapi juga berpotensi merusak dan mencemari lingkungan, terutama limbah yang mengandung logam berat. Logam berat cenderung akan terakumulasi pada lingkungan maupun organisme diantaranya tumbuhan air. Penelitian ini bertujuan untuk mendeskripsikan kadar logam berat Cd pada tumbuhan kangkung air dan air sungai serta kualitas air Sungai Prambon. Parameter pengujian meliputi parameter fisika dan kimia. Penelitian bersifat observasional. Sampel yang diambil menggunakan teknik purposive sampling. Pengambilan sampel tumbuhan kangkung air mengunakan metode ploting. Pengambilan sampel dilakukan ditiga stasiun yaitu sebelum industri, tepat industri, dan setelah industri. Data dianalisis secara deskriptif kuantitatif dengan cara membandingkan hasil pengujian terhadap standar baku mutu PERDA JATIM No. 2 Tahun 2008 dan PP RI No. 82 Tahun 2001. Hasil penelitian menunjukkan bahwa kadar Cd tumbuhan kangkung air (Ipomoea aquatica F.) berturut-turut yaitu stasiun III sebesar 0,009 ± 0,001 ppm, stasiun I sebesar 0,008 ± 0,001 ppm, serta stasiun II sebesar 0,004 ± 0,001 ppm. Kadar logam berat Cd pada air sungai sebesar 0.00018 ± 0,00000 ppm. Kadar logam berat Cd pada tumbuhan kangkung air lebih tinggi dibandingkan pada air sungai dengan nilai yang masih berada dibawah standar baku mutu. Kualitas air Sungai Prambon berdasarkan faktor fisika dan kimia kecuali kekeruhan tergolong baik karena sesuai dengan standar baku mutu.

    Industry is an economically important sector but also has the potential to damage and pollute the environment, especially waste that contain heavy metals. Heavy metals tend to accumulate in the environment and organisms including aquatic plants. This study aims to describe the levels of heavy metal Cd in water spinach (Ipomea aquatica F.) and river water and the water quality of the Prambon River. Test parameters include physical and chemical parameters. This research is observational. Samples were taken using purposive sampling technique. Sampling of water spinach plants using the ploting method. Sampling was carried out at three stations, namely before the industry, right in the industry, and after the industry. Data were analyzed descriptively quantitatively by comparing the test results to the quality standards of PERDA JATIM No. 2 of 2008 and PP RI No. 82 of 2001. The results showed that the Cd levels of water spinach (Ipomoea aquatica F.) were in station III of 0.009 ± 0.001 ppm, station I of 0.008 ± 0.001 ppm, and station II of 0.004 ± 0.001 ppm. The result of heavy metal content of Cd in river water is 0.00018 ± 0.00000 ppm. Cd heavy metal content in water spinach is higher than in river water with a value that was still below the quality standard. The water quality of the Prambon River based on physical and chemical factors except for turbidity is classified as good because it is in accordance with quality standards.