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Removal of Acid Blue 25 Dye by Using Dried Water Hyacinth from Aqueos Solution

Water hyacinth (Eichhornia crassipes) is a free floating aquatic weeds that robustness in its growth used as an adsorbent to remove Acid Blue 25 dye from aqueous solution. The parameters studied include the adsorbent dosage, initial dye concentration, pH, and also contact time in a batch adsorption process at room temperature 21oC. The results shows the optimum conditions for each parameter studied, adsorbent dosage at 0.60 g, initial concentration 400 mg/L, pH 2 and 100 minutes contact time. The samples after the dye uptake were analyzed by using UV-Vis spectrophotometer. Furthermore, before and after the experiments, FTIR analyses were studied to know the functional groups of the water hyacinth. In addition, the equilibrium data fitted well pseudo-second order kinetics, Langmuir and Freundlich isotherm. The maximum sorption capacities for Langmuir equation were 83.33 mg/g whereas the amount of n for Freundlich is favourable. While for pseudo-second-order kinetics, it has a low error for equilibrium sorption capacity for experimental and calculated values. This study is favourable and economically feasible for the removal of Acid Blue 25.

Water hyacinth (Eichhornia crassipes) is a free floating aquatic weeds that robustness in its growth used as an adsorbent to remove Acid Blue 25 dye from aqueous solution.

Frannie Fireball & Sally Snowball

Fireball & Snowball

Frannie Fireball and Sally Snowball is a cartoon book for children eight and below about two sisters—one made of fire, the other made of snow, who symbolize the hot and cold weather. The book begins with them trying to befriend some children, with hilarious results. The rest of the book tells the two sisters story with very funny incidents.

The book begins with them trying to befriend some children, with hilarious results. The rest of the book tells the two sisters story with very funny incidents.

Complete IELTS Bands 6.5-7.5 Workbook Without Answers with Audio CD

Complete IELTS combines the very best in contemporary classroom practice with stimulating topics aimed at young adults wanting to study at university. This course covers all parts of the IELTS exam in detail, providing information, advice and practice to ensure that students are fully prepared for every aspect of the exam. Informed by the Cambridge English Corpus, Complete IELTS includes examples and exercises which tackle key IELTS problem areas, making it the most authoritative IELTS exam preparation course available. The Workbook without Answers with Audio CD contains extra practice corresponding to the units of the Student's Book.

'However, for a number of reasons, killer whales have begun to include otters in
their diet, and this has caused sea otter populations to fall rapidly. Consequently,
sea urchin populations have exploded, and this has led to an almost total ...

Bersahabat Dengan Bencana

Siapa sangka gentong bisa menghadirkan panorama alam yang indah, lengkap
dengan gemericik air terjun, lampu, jembatan, bahkan miniatur rumah? Di
tangan ibu kelahiran 1 963 ini, gentong memang bisa berubah menjadi taman
mini ...

Reducing Language Anxiety & Promoting Learner Motivation: A Practical Guide for Teachers of English As a Foreign Language

This guide book is designed in response to the overwhelming need to find some practical techniques to control learners foreign language anxiety and to promote their motivation to learn English as a foreign language. Anxiety-controlling strategies provided in this guide are practical means developed to tackle anxiety sources that usually stem from learner's characteristics, learner's beliefs about learning a foreign language, teacher's characteristics, language testing, classroom atmosphere, learning procedures, etc. Motivation-promoting strategies involve those targeting situation-specific learner motivational dispositions, such as developing a positive relationship with learners; and promoting learner curiosity, self-confidence, and autonomy.

TESOL Quarterly 42:55-77. Hao, M., Liu, M., & Hao, R. P. (2004). An empirical
study on anxiety and motivation in English as a foreign language. Asian Journal
of English Language Teaching, 14, 89–104. Horwitz, E. K., Horwitz, M. B., & Cope
, ...

Digital Painting dan Desain Karkter dengan Adobe Photoshop

  • ISBN 13 : 9789792931891
  • Judul : Digital Painting dan Desain Karkter dengan Adobe Photoshop
  • Pengarang : Deka Anjar,  
  • Penerbit : Andi
  • Klasifikasi : 006.68
  • Call Number : 006.68 DEK d
  • Bahasa : Indonesia
  • Penaklikan : x,62 hlm;21 cm
  • Tahun : 2012
  • Halaman : 62
  • Halaman : 62
  • Google Book : http://books.google.co.id/books?id=gjPXoQEACAAJ&dq=inauthor:jack+richard&hl=&source=gbs_api
  • Ketersediaan :
    2017-34463-0008
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0007
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0006
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0005
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0004
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0003
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0002
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi
    2017-34463-0001
    Tersedia di Pustaka Kubang Putih - UIN Sjech M. Djamil Djambek Bukittinggi

In this volume, Messrs. Jack Luer and Jesse Francis have greatly expanded Charles Peterson's original inventory and have exponentially increased our understanding of the architectural legacy of the Illinois Country.

Changes Intro Workbook

English for International Communication

Changes is a three-level general English course for adult and young adult learners. Changes ensures that students have every opportunity to develop confident communicative ability as well as accuracy in English.

Changes is a three-level general English course for adult and young adult learners. Changes ensures that students have every opportunity to develop confident communicative ability as well as accuracy in English.

Minat mahasiswa terhadap pemanfaatan perpustakaan FKIK-IKIP Ujung Pandang

laporan penelitian mahasiswa PBS Olahraga Pendidikan, FKIK-IKIP Ujung Pandang