Browsing by Author "Zakaria, Ahmad"

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Adsorpsi Cu(II) menggunakan zeolit sintetis dari abu terbang batu bara

Zakaria, Ahmad (2011)

Fly ash and synthetic zeolite synthesized from coal fly ash had been used to investigate the adsorption of Cu2+ Key word : fly ash, synthetic zeolite, isothermal adsorption, kinetics model, Langmuir and Freundlich models, ...
Adsorption of Cu(II) using synthetic Zeolite from coal fly ash

Zakaria, Ahmad | Rohaeti, Eti | Batubara, Irmanida | Sutisna (2011)

Fly ash and synthetic zeolite synthesized from coal fly ash had been used to investigate the adsorption of Cu2+ synthetic solution. Optimation studies of adsorption process was performed batch system in central composite ...
Pengaruh Penambahan Vitamin E (a-Tocopherol) yang Berbeda pada Pakan lnduk terhadap Penampilan Reproduksi Ikan Zebra (Bracltydanio rerio)

Zakaria, Ahmad | Utomo, Nur Bambang Priyo | Setiawati, Mia (2005)

Usaha budidaya ikan mencakup sektor pembenihan dan pembesaran. Sektor pembenihan memegang perunan penting untuk keberlangsungun produksi. Permasalahan yang dihadapi dalam pembenihan adalah penampilan reproduksi yang masih ...