Items where Author is "Sitanggang, Parna"

Simatupang, Lisnawaty and Siburian, Rikson and Sitanggang, Parna and Doloksaribu, Maryati Evivani and Situmorang, Manihar and Marpaung, Harlem (2018) SYNTHESIS AND APPLICATION OF SILICA GEL BASED ON MOUNT SINABUNG FLY ASH FOR Cd(II) REMOVAL WITH FIXED BED COLUMN. RASĀYAN Journal of Chemistry [RJC], 11 (02). pp. 819-827. ISSN 0976-0083

Simatupang, Lisnawaty and Sitanggang, Parna and Doloksaribu, Maryati Evivani and Siburian, Rikson and Situmorang, Manihar and Marpaung, Harlem (2017) SYNTHESIS AND ADSORBENT APPLICATION BASED ON SILICA FROM VULCANIC ASH SINABUNG FOR HEAVY METAL ADSORPTION ON Cd (II). In: The 4th Annual International Seminar on Trends in Science and Science Education 2017, 14 Nov 2017, Medan.