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UJI PERSAMAAN LANGMUIR DAN FREUNDLICH PADA PENYERAPAN Mn(II) OLEH KOMPOSIT Fe3O4-ZEOLIT Mona Lisa
Jurnal Dampak Vol 12, No 2 (2015)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.12.2.114-119.2015

Abstract

Penelitian ini bertujuan mengetahui metode adsorpsi yang sesuai untuk menentukan kapasitas serap maksimum Mn(II) oleh komposit Fe3O4-zeolit pada larutan uji menggunakan persamaan Langmuir dan Freundlich. Konsentrasi Mn(II) pada larutan dikur dengan alat Spektroskopi Serapan Atom (SSA). Hasil penelitian menunjukkan bahwa kondisi optimum untuk proses adsorpsi yaitu pada saat berat komposit 0.4 g Fe3O4 -zeolit dan lamanya waktu kontak 60 menit pada kecepatan pengadukan 100 rpm. Koofisien determinan (R2) untuk persamaan Langmuir yaitu 0.934 dan lebih besar dari R2 dari persamaan Freundlich. Artinya penyerapan Mn(II) pada larutan oleh komposit Fe3O4-zeolit ditentukan dengan mengikuti persamaan Langmuir. Kapasitas penyarapan maksimum Mn(II) pada larutan uji yaitu sebesar 181,8 mg/g. Sehingga, komposit Fe3O4 -zeolitdapat direkomendasikan untuk mengurangi Mn(II) pada air ataupun air limbah.Kata kunci : Mn(II), adsorpsi, AAS, Langmuir, Freundlich
KEMAMPUAN MEMBACA TEKS EKSPOSISI SISWAKELAS X MA MUHAMMADIYAH PEKANBARU Mona Lisa; Mangatur Sinaga; Abdul Razak
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 5: Edisi 1 Januari-Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract

Abstract: This study examines the ability to reading the text of the exposition of student of class X MA Muhammadiyah Pekanbaru. The purpose of this study is to know and describe the level of ability to read exposition of the text of student of class X MA Muhammadiyah pekanbaru and describe wheater there is difference in reading ability of exposition student of class X MA Muhammadiyah Pekanbaru in grup of sample and gander. This study has a population of 26 and sample of 24. The results of research when tested by using t test one sampel is the ability to read exposition text is not aqual to value of comparison. The comparativevalue applied is 14 whereas the result obtained is 12,42. The ability to read the text of the exposition of class X MA Muhammadiyah Pekanbaruquite low, in other words the hypothesis is rejected. Then tested using a two-way anova. The result is that there is difference of reading ability of exposition text of class X MA Muhammadiyah Pekanbaru student in sampel group and gander. Based on result of research, it can be seen that students reading ability is very low because student do not understand the content in the tructure of the text of the exposition, the main ideas in the general statement, the main idea in argumentation, the main ideas in the reaffirming of opinions, the idea of exposision in the argumentasi, explanatory ideas in reaffirming opinions, conclusion and mandates. Then student are less serious in working on the questions given.Keywords: Ability, Reading, Exposition Text, Student
Pengaruh Content Marketing Terhadap Keputusan Berbelanja Online Dengan Customer Engagement Sebagai Variabel Mediasi Pada Pengguna Platform Live Shopping Di Kota Padang Mona Lisa; Yofina Mulayati
Jurnal Ekonomi dan Bisnis Digital Vol. 3 No. 1 (2025): Juli - September
Publisher : CV. ITTC INDONESIA

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Abstract

This study aims to analyze the effect of content marketing on online shopping decisions with customer engagement as a mediating variable among users of live shopping platforms in Padang City. The rapid development of digital technology has encouraged the widespread use of live shopping features, which offer real-time interaction between sellers and consumers. As a result, content marketing strategies play a crucial role in attracting attention and influencing consumers' purchasing decisions. This research uses a quantitative method with data collected through questionnaires distributed to 138 respondents who are active users of live shopping platforms in Padang City. Data analysis was conducted using Structural Equation Modeling (SEM) based on Partial Least Squares (PLS) with the assistance of SmartPLS 3.0 software. The results show that content marketing has a positive and significant effect on both customer engagement and online shopping decisions. Furthermore, customer engagement also has a positive and significant impact on online shopping decisions. In addition, customer engagement is proven to mediate the relationship between content marketing and online shopping decisions. These findings indicate that effective and interactive content marketing strategies can enhance consumer engagement and drive purchasing behavior.
PENGARUH KONTEN LITERASI DIGITAL TERHADAP PERILAKU FOLLOWERS @LITERASIDIGITALKOMINFO Mona Lisa; Cindoswari, Ageng Rara
Commed Jurnal Komunikasi dan Media Vol. 10 No. 1 (2025): COMMED : Jurnal Komunikasi dan Media
Publisher : Prodi Ilmu Komunikasi Universitas Putera Batam

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Abstract

The rapid development of digital technology has significantly changed how young people access and manage information. Instagram, as a widely used social media platform, is strategically used by government agencies to distribute digital literacy content, including through the @literasidigitalkominfo account. This study examines the effect of such content on the information-seeking behavior of its followers. Using a quantitative approach, the study surveyed 397 respondents selected with Slovin’s formula. Data were analyzed with simple linear regression. A structured questionnaire based on a 5-point Likert scale was tested for validity, reliability, and classical assumptions. Results show that digital literacy content positively and significantly influences information-seeking behavior, with a regression coefficient of 0.501 and an R Square of 0.555. This indicates that 55.5% of the behavior variation can be explained by the content’s credibility, shareability, appeal, and relevance. These findings highlight the importance of strategic digital content in encouraging followers to engage actively in information seeking—starting from initiation to focus formulation. The study supports the applicability of New Media Theory and Information Seeking Theory in understanding digital behavior in the modern media landscape. Keywords: digital literacy content, behavior of followers, new media, Instagram @literasidigitalkominfo, information seeking
PENGARUH NILAI NASABAH TERHADAP LOYALITAS MELALUI KEPUTUSAN NASABAH SEBAGAI VARIABEL INTERVENING PADA PT PERMODALAN NASIONAL MADANI (PNM) MEKAR CABANG HAMPARAN PERAK Mona Lisa; Ahmad Fadli; Emma Novirsari
Jurnal Mahkota Bisnis (Makbis) Vol 1 No 2 (2022): Jurnal Mahkota Bisnis (Makbis)
Publisher : MTU PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59929/mm.v1i2.45

Abstract

Abstract This study aims to determine whether customer value and customer loyalty affect customer satisfaction at PT. Madani National Capital (PNM) Mekaar Branch Overlay Perak. This type of research is quantitative research. This research was conducted at the office of PNM Mekar (Building a Prosperous Family Economy) which is located at Jl. Sukaramai Hamlet III Pasar II No. 169 Kec. Deli Serdang Regency Silver Expanse. The population in this study consisted of all customers of PNM Mekar Branch Hamparan Perak, amounting to 4393 customers. The number of samples in this study were 500 PNM Mekaar Hamparan Perak customers. The results of this study There is a partial influence between customer value on customer loyalty at PT. PNM Mekaar Perak Branch. There is a partial influence between customer loyalty on customer satisfaction at PT. PNm Mekaar Perak Branch. There is a partial influence between customer satisfaction and customer value at PT. PNM Mekaar Branch Hamparan Perak. Customer value and customer loyalty simultaneously affect customer satisfaction at PT. PNM Mekaar Perak Branch