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বাংলাদেশ পরমাণু শক্তি কমিশন গণপ্রজাতন্ত্রী বাংলাদেশ সরকার
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সর্ব-শেষ হাল-নাগাদ: ৩rd August ২০১৫

নিউক্লিয়ার এন্ড রেডিয়েশন কেমিস্ট্রি ডিভিশন

 


Objectives

  • R&D of different scientific fields- particularly, radiation processing of polymeric materials
  • Research on Analytical and Environmental problems of Bangladesh
  • Quality Control of cooling water circuits used in TRIGA MARK-II Nuclear Research Reactor at AERE, Savar
  • Development of Nuclear related materials

Groups

  • Analytical Chemistry
  • Radiation Chemistry
  • Rubber Chemistry

Activities

  • Projects

    Application of Radiation Processing Technology for Materials-Plant Plant: Institute of Polymer Technology (Financed by the Government of Bangladesh)

  • Services

Analytical Services

Trace Element Analysis
Analytes / Species Sample / Matrix type Instrumentation Detection Limit* / Range Typical Applications
Na, K, Ca, Mg Most solids and liquids FAAS, ETAAS ppb -ppm Water and Wastewater, Soil, Industrial products, food and vegetations
Fe, Cu, Zn, Mn, Co, Cr, Sb, Pb, Cd, Ni Most solids and liquids FAAS, ETAAS ppb -ppm Water and Wastewater, Soil, Industrial products, food and vegetations
As Solids and liquids HG-AAS low ppb - ppm Water, Vegetation, Human tissue, hair and nail.
Hg and Me-Hg Solids and liquids CV-AAS low ppb -ppm Water, fish and food.
U, Th Solids and liquids SX-Spectrophotometry ppb - ppm Water, rock, soil, minerals

 

The experimental Limit of Detection (LOD) for individual anlytes varies according as the concerned matrix and the pretreatment applied. The Detection Limit obtained with the AAS measurements are found to be satisfactory for typical applications mentioned above.

 

Water Quality Parameters
Bulk parameters Specific Analyte (s) measured Instrumentation / Method Typical Applications
Physical and aggregate properties pH, EC, TDS, TSS, Alkalinity, DO, Hardness, Colour. Conventional , Spectrophotometry Natural water, wastewater and industrial effluents
Cations Na, K, Mg, Ca, Fe, Cu, Zn, Mn, Co, Cd, As, Hg, Sb AAS / SE-AAS Natural and Drinking water, Domestic and industrial wastewater, industrial effluents, industrial feed water.
Anions Chloride (Cl-), fluoride (F-), sulphate (SO42-), nitrate (NO3-), nitrite (NO2-), cyanide (CN-), silicate (SiO3- as SiO2), IC, Spectrophotometry Natural water, wastewater and industrial effluents, industrial feed water.
Demand parameters BOD, COD Spectrophotometry, conventional Natural water, wastewater and industrial effluents, industrial feed water.
Nutrients Ammonia nitrogen as N, Nitrate nitrogen as N, Orthophosphate as P, Total phosphorus, Total Kjeldahl nitrogen Spectrophotometry, conventional Natural water, drinking water and beverages
Corrosion Properties Langelier Index (LI), Relative Saturation Index (RSI) Conventional Natural water, industrial feed water.
Water Purity Test As per ISO 3696: 1987 Various Reagent water, High Purity Water

R&D Activities

  • Radiation processing
    • Production of medically applicable hydrogel for wound dressing
    • Preparation of composite of rubber with synthetic polymer
    • Synthesis of metal adsorbent
    • Radiation processing of natural rubber
    • Surface modification of natural fibers (jute, coir, sisal, banana fiber etc).
    • Improvement the quality of wood using acrylic monomers.
    • Development of the surface properties of leather products.
    • Fabrication of natural fiber reinforced polymer composites.
    • Extraction of biopolymers (chitin and chitosan) from shrimp, prawn. crab etc.
    • Production of gelatin based films for scaffold preparation.
    • Preparation of shellac films for coating industries.
    • Production of totally degradable polymer composites.
    • Fabrication of packaging materials based on starch and alginate.
    • Application of sodium alginate as plant growth promoters.
  • Analytical
    • Industrial effluent quality and impact on the environment
    • Development of efficient water chemistry protocols applicable to coolant circuits of various nuclear reactors
    • Environmental impact of Municipal Solid Waste disposal in Bangladesh and methods for their safe disposal
    • Recycling of industrial and municipal wastewater
    • Biodiversity hazards of arsenic contamination in Bangladesh

Achievements

  • Medically applicable hydrogels were successfully prepared
  • Various types of dipped rubber goods were prepared with radiation processed rubber
  • Mechanical properties of natural fibers (jute, coir, sisal, banana fiber etc) were significantly developed by using different oligomers and monomers with the help of radiation techniques.
  • The quality of wood and leather was improved.
  • Fabricated natural fiber reinforced polymer composites for general construction purposes.
  • Biopolymers (chitin and chitosan) were successfully extracted from shrimp, prawn. crab etc.
  • Successfully produced gelatin based films for scaffold preparation.
  • Prepared shellac films for coating industries.
  • Totally degradable packaging materials were developed as an alternative of polyethylene shopping bags.
  • Sodium alginate was applied as plant growth promoters and found dramatic results.

Major Facilities

  • Atomic Absorption Spectrometry
  • Ion Chromatography
  • Spectrophotometry
  • Universal Testing Machine
  • UV-radiation Sources
  • Weathering Tester
  • UV-Visible spectrophotometer
  • Latex Centrifuge
  • Viscometer
  • Aging Oven
  • Single Screw Extruder
  • Mixture Machine
  • Heat. Press Machine
  • Injection Molding Machine
  • FT-IR
  • Thermo Mechanical Analyzer (TMA
  • Thermo Gravimetric Analyzer (TGA)
  • Tack Tester
  • General laboratory facilities for analytical and polymer characterization

Perspective Plan

  • To transfer the developed radiation processing technology to private entrepreneurs in Bangladesh
  • Development and Implementation of Water Chemistry Programs Applicable to Nuclear Power Plants in Bangladesh
  • Preparedness for Total Analytical Support to Ensuing Industrial and Environmental Challenges

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