Trace Element Sciences at Kolkata Centre


Energy Dispersive X-ray Flurosence

Features

Operating Parameters
Voltage     :   50KV ;

Current     :   upto1 mA

Elements     :   Na – U

Detector Resolution     : & emsp; 143eV at 5.9keV

Detection limit     :   1-10 ppm

In air and in-vacuum measurements are feasible

Software – nEXT inbuilt

Guidelines


Micro EDXRF

Features
  • X-ray Tube : 50 kV Max ; 1 mA; Rh Anode
  • NaI(Tl) Scintillator for Transmission X-ray;


  • Composition analysis and mapping

    Magnification and transmission imaging
    3-D structural, elemental analysis

    Simultaneous multi-elemental detection (Na to U)

    Multi-point analysis (99 points max) with spot diameter selection (10 mm or 100 mm)

    Scan Range : 512 mm X 512 mm (min) to 100 mm X100 mm (max)

    CCD camera magnified observation (up to 100x)

    Scan Time : Minimum 3 secs (512mmX 512 mm)



    PIXE Experiments at IOP Bhubaneshwar

    Experimental Parameters


    Proton Energy     : 2.5-3MeV (ideal)

    Current     : 1-50 nA

    Target to Detector distance     : 3-5 cm (ideally)

    Target–Beam angle     : 450

    Beam size     : 1–2mm

    Detector Resolution   : 160 eV at 5.9 keV

    Elements: Al - U

    Best Sensitivities for 20 < Z < 40; Z > 75

    Detection Limits   < 1ppm (routinely)

    Quant. Analyis- GUPIXWIN



    Sample Preparation facilities



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