Tender For providing of calibration services - service and calibration of xrf spectrometer first year quantity 1 number; as per scope of work; as per scope of work; as per scope of work,calibration services - service and calibration of xrf spectrometer second year quantity 1 number; as per scope of work; as per scope of work; as per scope of work,calibration services - service and calibration of xrf spectrometer third year quantity 1 number; as per scope of work; as per scope of work; as per scope of work