Back
Home

 

Sophisticated Analytical Instrument Facility,  NEHU, Shillong

 

Sl.
No.

Instrument

Make/
Model

Major Specifications/ Accessories available

Type of measurement/analysis available

1.

UV-VIS-NIR Spectrometer

Varian  Cary
2390

Range : 185-3150 nm;
Specular reflectance (for solid state and thin films), variable temp. accessories

Measurement/studies in the region including functional groups, Metal complexes, Specific bonds such as d-orbital participations, charge transfer complexes, Kinetic studies, Different electronic transitions etc.

2.

FT-IR Spectrometer

Bomen DA 8.02

Range: 10-7000 cm-1; 
Resolution: 0.01 cm-1;
In-line diffuse reflectance;
Variable angle ATR  with KRS 5 crystals;  Variable angle  specular  reflectance; 
Micro-sampling microscope accessories

Measurement/studies in the region including IR spectra of solids, phase transformation, Hydrogen-bond studies, vibration-rotation spectra, structure of metal complexes, polymer studies etc.

3.

Atomic Absorption Spectrometer

Perkin Elmer 3110

Detection limit: ppm/ppb;
Graphite Furnace; Mercury Hydride System

Trace element analysis of about 25 elements in rock/ore, oil plants, biological samples, water etc.

Graphite Furnace (transversely heated)

Analytik Jena AAS6 Vario EA

Range: 190 to 870 nm

Direct analysis of solid samples. Mercury hydride analysis in Graphite Furnace for better detection limits. Flame analysis.

4.

ICP-Atomic Emission Spectrometer

Labtam 8440 M

Range: 160-820 nm; Polychromator: 15 fixed  wave length of following  elements: Y, La, Ce, Nd,        Sm, Eu, Gd, Dy, Er, Yb,         Lu, W, Th, U

Elemental analysis of almost all elements.

5.

NMR Spectrometer
(90 MHz)

Varian
EM-390

Frequency: 90 MHz;
Spin decoupler

NMR spectra of 1H; Study of molecular structure and dynamics.

6.

FT-NMR Spectrometer
 

Bruker
ACF-300

Frequency: 300 MHz; Variable temp. accessory

1D and 2D NMR Spectroscopy of NMR active nuclei  1H,  13C,  15N,  31P,  51V, 55Mn,11B etc.; NOE;  Solvent suppression, homo and hetero decoupling experiments; COSY & NOESY; DEPT.

7.

LC-Mass Spectrometer

Waters, Micromass

8.

Scanning Electron Microscope

Jeol  JSM 35 CF

Magnification: upto 1,80,000x;
Resolution: 50 0A;
Gold coating unit

 

Surface topographic studies of microstructures on bulk specimens of biological/non-biological nature; Orientation pattern of single crystal specimen.

9.

Scanning Electron Microscope

Jeol JSM 6360

Magnification: upto 3,00,000x;
Resolution: 3 nm;
Acc. voltage: upto 30 kV (55 steps);
Specimen size -152.4 nm; Fully computer controlled

Studies as above. The SEM  can accommodate 125 nm diameter specimen and allows observing full coverage of specimen with X, Y and R (rotation) movements of the specimen stage.

10.

Transmission Electron Microscope

Jeol JSM
100 CX

Magnification: upto 4,50,000;
Resolution: upto 30A;
Ultramicrotome

Study of ultrastructures of biological/non-biological samples; Normal TEM image/micrographs on 35 mm film.

11.

Microscope with
 Image Analyzer

Leica

Field of view: 28 mm;
Magnification range: upto  250x
Contrast: Bright field, dark field, phase contrast, interference contrast and fluorescence

Measurement of proteins, lipids and DNA, reflectivity, reflectance, fluorescence; Grain counting, size and shape analysis; 3 dimensions reconstruction of slices; Liquid crystal and nuclear track measurements.

12.

CHNSO Elemental Analyzer

Perkin Elmer 2400

Accuracy: +0.3%;
Autosampler; Ultra-microbalance; Liquid
sample handling kit;
Volatile sample sealer

Simultaneous determination of C,H,N;    C,H,N,S  and/or the determination of Oxygen in the samples.

13.

Liquid Nitrogen Plant

Philips
PLN 106 MNP

10 lit/hr.

Liquid nitrogen for R&D work.