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Volume 1 Issue 8

 

SYNTHESIS AND CHARACTERIZATION OF MERCAPTOACID INITIATED RING OPENING POLYMERIZATION OF TETRAHYDROFURAN

Author: R. Anbarasan, P.Ramkumar, M.Ragunathan, R.Parthiban & R.Maranadhan

 

Abstract: Polymers having soft segments with bio-degradability has wide applications in the bio-medical engineering. This tempted us to do the present investigation. Poly(tetrahydrofuran) (PTHF) (a soft polymer with bio-degradability) was synthesized by solution polymerization at 450C for 24 hours under nitrogen atmosphere in the presence of phthalicanhydride (PAH) as a co-monomer cum activator and with three different mercaptoacid initiators through ring opening polymerization (ROP) method. Thus obtained polymer, PTHF was characterized by various analytical techniques like fourier transform infrared (FTIR) spectroscopy, UV-visible.................Read more

 

LITTER CHARACTERISTICS OF DOMINANT TREES AT THE MAIN CAMPUS OF SEBELAS MARET UNIVERSITY AS A POTENTIAL SOURCE OF COMPOST PRODUCTION.

Authors: Sugiyarto, Likava, Abdallah A. Salum, Saleh Muhammed Raqib, Ahmad Dwi Setiawan & Edwi Mahajoeno

 

Abstract:Green Campus Program as responses to the problem of global climate change has become a major concern in the world. Availability of green open space with tree community is a demand for healthy environment. However, it produces organic waste in the form of litter that requires treatment to use as potential materials for compost production. The identification, quantification and characterization of organic waste biomass was conducted to measure the quality and quantity of potential materials contained for compost . The results showed that the production of waste from main campus of Sebelas Maret University at Kentingan was around ................Read more

 

PHYTOEXTRACTION OF WEED PLANTS BY SURVEY AND ANALYSIS IN RESPONSE TO LEAD ACCUMULATION

Author: Hanumanth Kumar.Gurijala & Pramoda kumari.Jasti

 

Abstract: Field experiments were conducted on lead contaminated spoil dump. Plants growing on spoiled dump were collected for phytoremediation (phytoextraction) studies in order to determine whether the plants would thrive in contaminated soil and undergo phytoremediation. Lead accumulation level in soil was 164 mg/kg. Pb in plants was determined by atomic absorption spectrophotometer. Lead (Pb) accumulation levels in dry weight (DW) of plant samples were Bidens pilosa (90.53±8.86 mg/kg), Parthenium histocarpus (81.53±3.37 mg/kg ), Spermococa pusilla (74.9±7.21 mg/kg), Tinospora cordifolia (74.53±3.31 mg/kg), Hemidesmus indicus..................Read more