** Shares of Australia's XRF Scientific XRF.AX rise as much as 4.6% to A$1.95
** Stock on track for second consecutive session of gains, if current trend holds
** The laboratory instrument manufacturer says its unit, XRF Technology, enters an agreement with Bruker AXS SE to acquire Bruker's Combustion Gas Analysis (CGA) business
** Says deal for $4 million
** Company says it will pay additional earnout of up to $1 mln depending on performance of CGA business over three years
** Bruker's CGA business is a range of analytical instruments for elemental analysis of important combustible gases
** Despite moves, stock down 6.9% YTD
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))