Mass Spec/Chromatography/Gas Generators, Parts, Service, Sales and Purchase Do you need to buy, sell, or repair Mass Spectrometry, Chromatography of Laboratory Gas Generator equipment? Scientists and Research Professionals come to KRSS Ltd when they need assistance with Mass Spec equipment and spare parts for LCMS, GCMS, HPLC, GC and Gas Generators. 1000's parts in stock for all makes and models. See discounted parts pricing and request technical support from one of our expert engineers. Let's extend the life and recycle Mass Spec and Chromatography equipment together so science professionals worldwide can benefit people and our environment. KRSS recognises and acknowledges all trademarks. KRSS has no OEM affiliation.