Article

Thahir, Ridhawati and Wahab, Abdul Wahid and La Nafie, Nursiah and Raya, Indah (2019) Synthesis of high surface area mesoporous silica SBA-15 by adjusting hydrothermal treatment time and the amount of polyvinyl alcohol. Open Chemistry, 17 (1). pp. 963-971. ISSN 2391-5420

Thahir, Ridhawati and Bangngalino, Herman and Wahab, Abdul Wahid and La Nafie, Nursiah and Raya, Indah (2019) Direct synthesis of mesoporous TiO2 using PVA as surfactant template and assessment of their photocatalytic activities. IOP Conf. Series: Materials Science and Engineering 676 (2019) 012040, 509 (3): 012124. ISSN 17578981, 1757899X

Thahir, Ridhawati and Wahid, Abdul Wahid and La Nafie, Nursiah and Raya, Indah (2019) SYNTHESIS OF MESOPOROUS SILICA SBA-15 THROUGH SURFACTANT SET-UP AND HYDROTHERMAL PROCESS. SYNTHESIS OF MESOPOROUS SILICA SBA-15 THROUGH SURFACTANT SET-UP AND HYDROTHERMAL PROCESS, 12 (3). pp. 1117-1126. ISSN 0976-0083

Thahir, Ridhawati and Ismail, Syarif and Aulia, Ridha and Wahab, Abdul Wahid and La Nafie, Nursiah and Raya, Indah ADSORBSI LOGAM Cu(II) DAN METHYLEN BLUE MENGGUNAKAN SILIKA MESOPORI SBA-15. Prosiding Seminar Hasil Penelitian (SNP2M). pp. 194-198. ISSN 978-602-60766-4-9

Yasser, M. and Badai, Muhammad and Thahir, Ridhawati and Sukasri, Arifah and Kurniawan, Kurniawan Antioxidant Extraction from Purple Sweet Potato (Ipomea batatas l.) using Ultrasound Assisted Extraction (UAE). Journal of Physics: Conference Series, 2049 (4): 057. ISSN 1742-6588 (print) 1742-6596 (web)

Thahir, Ridhawati and Widiyanti, Setyo Erna and Katu, Indo and Nurdayanti Idar, Neneng EKSTRAKSI DAN ANALISIS KARAKTERISTIK SILIKA DARI SEKAM PADI. Prosiding Seminar Hasil Penelitian (SNP2M) 2021. pp. 37-40. ISSN 978-623-98762-1-0

Rosalin, Rosalin and Thahir, Ridhawati and Yasser, M. and Ruso, Sakius and Friyanti, Amelya and Ulfa, Dewi PENGARUH METODE PRETREATMENT PADA PROSES EKSTRAKSI BIOSILIKA DARI SEKAM PADI. Prosiding Seminar Nasional Penelitian & Pengabdian Kepada Masyarakat 2019. pp. 172-177. ISSN 978-602-60766-7-0

Thahir, Ridhawati and Rosalin, Rosalin and Khaerunnisa, Khaerunnisa and Laurenz, Sinthia and Puspitasari, Puspitasari PREPARASI DAN KARAKTERISASI TITANIUM DIOKSIDA (TiO2) MESOPORI SEBAGAI ADSORBEN LOGAM Cu(II) DAN METHYLENE BLUE. Prosiding Seminar Hasil Penelitian (SNP2M). pp. 53-57. ISSN 978-602-60766-4-9

Bangngalino, Herman and Thahir, Ridhawati Pemanfaatan Bagas Tebu dan Pati Sagu sebagai Sustainable Packaging Material pada Pembuatan Komposit Biofoam. Prosiding Seminar Nasional Teknologi Industri IV 2016, 4. pp. 80-84. ISSN 978-602-60451-0-2

Thahir, Ridhawati and Wahab, Abdul Wahid and La Nafie, Nursiah and Raya, Indah Pengaruh Metode Sintesis Silika Mesopori SBA-15 terhadap Analisis Differential Scanning Calorimetry dan Pengukuran Low Angles X-Ray Diffraction. INTEK: Jurnal Penelitian, 5 (1). pp. 39-43. ISSN 2615-5427

Raya, Indah and La Nafie, Nursiah and Thahir, Ridhawati and Yasser, M. and Ismail, Syarif Prepare and Utilize Mesoporous Silica SBA-15 for Efficient Photocatalytic Adsorption of Methylene Blue and Copper(II). Journal of Physics: Conference Series, 2049 (4): 012083. ISSN 1742-6588 (print) 1742-6596 (web)

Thahir, Ridhawati and Fajar, Fajar SINTESIS DAN KARAKTERISASI NANOPARTIKEL TITANIUM DIOKSIDA DENGAN BIOREDUKTOR EKSTRAK KAYU MANIS (Cinnamomum sp.). Seminar Nasional Penelitian & Pengabdian Kepada Masyarakat 2017. pp. 101-104. ISSN 978-602-60766-3-2

Thahir, Ridhawati Sintesis Film Indikator Komposit Polivinil Alkohol-Kitosan dan Aplikasinya pada Sensor Kesegaran Fillet Ikan Nila. Prosiding Seminar Nasional Teknologi Industri IV 2016, 4. pp. 85-89. ISSN 978-602-60451-0-2

Thahir, Ridhawati and Wahab, Abdul Wahid and La Nafie, Nursiah and Raya, Indah Sintesis dan Karakterisasi Nanopartikel TiO2 sebagai Adsorben Pengolahan Limbah Zat Warna Methylene Blue. Jurnal Rekayasa Kimia dan Lingkungan, 14 (1). pp. 19-27. ISSN ISSN 1412-5064, e-ISSN 2356-1661

Conference or Workshop Item

Thahir, Ridhawati Modified the pore size and morphology of mesoporous silica SBA-15: Influence of time hydrothermal treatment and addition of polyvinil alcohol. In: 13th Joint Conference on Chemistry (13th JCC).

Thahir, Ridhawati Prepare and Utilize Mesoporous Silica SBA-15 for Efficient Photocatalytic Adsorption ofMethylene Blue and Copper(II). In: Universitas Riau International Conference on Science and Environment 2021 (URICSE-2021), 11 September 2021, Universitas Riau.

Patent

S00202214563 (2023) EKSTRAKTOR FLUIDA SUPERKRITIS PORTABEL. IDS000006568.

S00202214563 (2023) EKSTRAKTOR FLUIDA SUPERKRITIS PORTABEL. 1DS000006568.

000476550 (2023) MODIFIKASI SINTESIS NANOKOMPOSIT TiO2-(Yb3+, Er3+) BERPENYANGGA SILIKA SBA-15. EC00202343622.

000474194 (2022) Preparasi Material TiO2 Berpori Menggunakan Metode Hidrotermal. EC00202341273.

000475896 (2021) EKSTRAKSI BIOSILIKA DARI SEKAM PADI MENGGUNAKAN SURFAKTAN PLURONIK DAN POLIVINIL ALKOHOL. EC00202342970.