Here’s a curated list of hydrogen generators commonly used in gasoline chromatography (GC) labs, specifically for analytical and study options:HOVOGEN Scientific Hydrogen Generator (LH/LX Collection)Ultra-pure hydrogen (>99.998% to >99.9998%) for GC copyright/gas fuel, GC‑MS, GC‑ELCD, response fuel, ICP‑MS, and even more Hovogen+threeHovoge