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National Council for Cement and Building Materials
Enclosure to: NCB/MM/2015-16/CRT-H/36/49
Appendix –‘A’
Technical specification- X-Ray Fluorescence Spectrometer
Primary Application:
Quantitative and Qualitative analysis of following materials;
1. Cement, Kiln feed, Limestone, Sandstone, Gypsum, Iron ore, dolomite, Concrete,
Mortar etc.
2. Industrial waste materials such as Flyash, Slag, mine waste, aggregates, etc.
Model: Sequential wavelength dispersive X ray fluorescence spectrometer ( Fully
Computerised ). Should not require external water chiller.
Elements to be analysed:Na11U92specifically to Na, Mg, Al, Si, P, S, Cl, K, Ca, Fe in raw
materials and cement.
Additionally Mn, Ti, Pb, Zn, Ba, Cd, Cr, Hg etc.
Accuracy and precision: Should meet criteria laid as per ASTM–C–114 and ISO- 29581-2.
Automatic sample changer: To hold 8 or more sample in powder press pallet or fused glass
bead form.
Optics: Wavelength Dispersive with high sensitivity, resolution and high speed.
H.T Generator: Power of 200 W or more &air cooled.Stability against fluctuation to be stated
X- Ray Tube: Suitable target for analytical requirement as stated in 1 and 2 of primary
application.End window.
Spectrometer:
1. Vacuum path.
2. Sample size of 30 mm to 40 mm.
3. Measurement time to be <15 min.
4. Samplehandling capability of such as solid, powder pallet and glass fused bead.
5. Sample inlet of air lock system type
6. Sample rotation of ~ 30 rpm ( pls. specify)
7. Goniometer which is θ/2θ independent drive mechanism with high angular
reproducibilty.
8. Crystal changer ofminimum 3 position, bidirectional and automatic.
9. Cabinet Temperature stability and it details to stated.
10. Detectors: Scintillation counter and flow proportional counter.
11. Safety standard against X Ray as per international guidelines.
Tender for NCB/MM/2015-16