MATERIAL CHEMISTRY RESEARCH LABORATORY Department of Chemistry, University of Dhaka

Transcription

1 MATERIAL CHEMISTRY RESEARCH LABORATORY Department of Chemistry, University of Dhaka Tensiometer : Attension, Finland : Sigma 700 Others : Interfacial Tension, Surface Tension, Critical Micelle Concentration, Dynamic Contact Angle, Surface Free Energy, Powder Wettability, Sedimentation : Liquid: 5 ml Range: mn/m Maximum Load: 210 g Contact Angle: BET Surface Analyzer : BEL, Japan : Belsorp miniii : Pore Size Distribution, Surface Area Analysis, Pore Size Volume Sample Type: Solid Cell Volume: 1-8 cm 3 Range: nm (d) 0.01 m 2 g -1 and above

2 UV-visible Spectrophotometer with Specular Reflectance : Labomed Inc., USA : UVD-3500 : UV-Visible Spectrum, Kinetics, Specular Reflectance at constant temperature Liquid: 300 μl Solid: in pellet form thickness<0.15 mm Range: nm FT- mid and near IR Spectrophotometer with ATR : Perkin Elmer, USA : Frontier FT-NIR/MIR : FT-IR Spectra in the Mid and near IR region both in the solid and liquid state Liquid: 50 μl Solid: 200 mg Reflection Accessories: Attenuated total reflection (ATR)

3 Nano ZS/ Particle Size Analyzer : Malvern, UK : Zen 3690 : Particle Size, Molecular Weight, Zeta Potential Sample Type & Minimum Amount: Liquid: 1.5 ml Solid: dispersed in suitable dispersants (1.5 ml) Measurement type 1: Particle size and molecular size Dynamic Light Scattering Range:0.3nm 5.0 microns (diameter) Measurement type 2: Electrophoretic Light Scattering Zeta potential (and optional Protein Mobility) Range:3.8nm 100 microns (diameter) Measurement type 3: Static Light Scattering using Debye plot Molecular weight Range:980Da 20M Da

4 Impedance Analyzer : Autolab, Switzerland : Others : Impedance for Membrane and Gel (Mid Frequency Range) : Sample Type & Minimum Amount: Liquid membrane gel Mode: Potentiostatic and Galvanostatic Frequency Range: 10µHz to 32MHz Electrochemical Workstation : CH Instruments, USA : CHI-650D/ 600D : Electrochemical Liquid/ Solution: Conventional amount Function: Potentiostat or Galvanostat Potential range: -10 to 10 V Current range: 100mA

5 : Metrohm, Switzerland : 890 Titrando Karl Fischer Moisture Meter : Moisture Analysis by Karl Fischer Titration Water analysis Range: 0.05% - 100% X-ray Image Plate Scanner : Huber Technology, Germany : HD CR 35 NDT : X-ray Diffraction of Solid Materials

6 Combined Meter (Viscosity and Density) : Anton Paar, USA : DMA-4500M with Lovis 2000ME : Viscosity and Density Viscosity Hoeppler s Falling Ball Principle Range: 0.3 mpa.s to 10,000 mpa.s Temperature Range: C Density Liquid: 1.0 ml (for Viscosity: ml) Range: g/cm3 Temperature Range: 0-95 C Refractive Index Meter : Anton Paar, USA : Abbemat-300 : Refractive Index Liquid: 0.2 ml RI Range: Temperature Range: C

7 Ion Meter : Jenway, UK : 3345 : ph and concentration of ion (Cl - ) by Ion Selective Electrode Solution: ~ 5.0 ml Range: -2 to unit Temperature range: -10 to 105 C Activity : to : Jenway, UK : 4510 Conductivity and TDS Meter : Conductivity and Total Dissolved Solid Measurement Coductivity Meter Range: ms TDS Range: EC Ratio: Temperature Range: C

8 Dielectric Constant Meter : Alpha Electronics, Germany : Alpha DCM-470 : Dielectric Constant Liquid: 5 ml Range: Max. condition of sample: 1-10 µscm μscm -1 (<0.05 mm1:1 electrolytes) Dissolve Oxygen Meter : Hanna Instruments, USA : HI 4421 : Concentration of Dissolve Oxygen in solvent medium Liquid Measurement Range: ppm, 0.0 to 600% saturation : Nabertherm, Germany : L5/11/B180 Muffle Furnace : Heating in a Front-Loading Box-type Oven at Controlled Temperature

9 : Nabertherm, Germany : R50/500/12 Temperature Gradient Tube Furnace : Heating in Tube at Controlled Programmed Temperature Ranges Water Purifier (Ultra Pure) : BOECO, Germany : BOE Others : Water purification (Specific conductivity less than 1 µs cm -1 ) : 6 Liter Tank Ultrapure water TOC value: 5-10 ppb Please Contact Dr. M Yousuf A Mollah Professor, Department of Chemistry & Dean, Faculty of Science University of Dhaka, Dhaka 1000 Phone: (+880-2) /7145 Cell: myamollah@hotmail.com Web: Dr. Md. Abu Bin Hasan Susan Professor, Department of Chemistry University of Dhaka, Dhaka 1000 Phone: (+880-2) / 7162 Fax: Mobile: susan@du.ac.bd Web: