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All Journal Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam
S. Anita
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Mathematics

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KEMAMPUAN SERAPAN ABU TULANG SAPI TERHADAP VARIASI KONSENTRASI ION NITRAT Yusnita, N.; Anita, S.; ', Itnawita
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 1 (2014): Wisuda Februari 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

Cow bone ash is one of some alternative adsorbents, since it contains many oxide compoundssuch as calcium oxide that has an open framework structure. The aim of this study was todetermine the adsorption ability of the cow bone ash on nitrate ion based of the concentrationvariation. Nitrate analysis was carried out using UV-VIS spectrophotometer with brucine-sulfate method. The results showed that concentration affected the adsorption of cow bone ashon nitrate ion with optimum adsorption ability (80.050%) at 10 mg/L.
POTENSI ABU CANGKANG KERANG DARAH (Anadara Granosa) SEBAGAI ADSORBEN ION TIMAH PUTIH G. Afranita; S. Anita; T. A. Hanifah
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 1 (2014): Wisuda Februari 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

The waste of blood clam seashells (Anadara granosa) can be used as adsorbent of tin.Blood clam seashells was calcinated at 800 0 C of ±9 hours. Blood clam seashellscontained CaO . The aim of this study was to see potential of blood clam seashell ash asabsorbent of tin. The research was conducted by contacting was tin ion and blood clamseashell ash with the variation of concentration. Tin analysis performed by using atomicabsorption spectroscopy (AAS). The results showed that optimal absorption occurs at30 mg/L, at 15 hours was 66,53%.
Co-Authors ', Itnawita G. Afranita N. Yusnita T. A. Hanifah