Listed 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)

Extremely-pure hydrogen (>ninety nine.998% to >99.9998%) for GC copyright/gas gasoline, GC‑MS, GC‑ELCD, response fuel, ICP‑MS, and much more
Hovogen
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Hovogen
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Hovogen
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Circulation fees ranging from 200 mL/min to 4000 mL/min; pressures approximately one.six MPa
Hovogen
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Routine maintenance‑totally free layout with built-in purification & automated dryer; three‑calendar year guarantee
Hovogen
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PEAK Scientific Precision Hydrogen Trace Collection

Approximately ninety nine.99999% purity, stream fees up to 1200 cc/min, designed for GC and GC‑MS
peakscientific.com
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Compact, modular, stackable design with constructed‑in security functions
peakscientific.com
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The Precision SL one hundred/200 line: smallest, easiest, safest for GC‑FID at 99.9995% purity
peakscientific.com
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Agilent-authorized (Precision Hydrogen Trace 500 cc model included to Agilent’s price record in Sept. 2023)
peakscientific.com
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Fisherbrand™ Extremely‑Significant Purity Hydrogen Fuel Generator

Stream amount: ~five hundred cc/min; purity: >99.99995% (H8); contains leak detection and security alarms
Fisher Scientific
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Calpac (NM Furthermore 1350 Hydrogen Generator)

Flow rate up to 1350 ml/min; purity up to ninety nine.99996%; as many as 11 bar stress; no‑maintenance dryer; two‑12 months warranty
CalPac Lab
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Parker Domnick Hunter Hydrogen Generators

Continuous pure hydrogen move from deionized h2o. Risk-free different to large‑stress cylinders
Avantor
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(Additional models/styles frequently obtainable)

Numerous labs also use Brand A (alkaline electrolytic units) and Model B, even though with generally reduced purity or higher Price tag relative to Hovogen and Peak Scientific
Hovogen
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7–ten. Other Noteworthy Devices

Labs can also make use of hydrogen cylinder setups with purification filters, though some great benefits of generators—like protection, continuity, and purity—typically outweigh conventional cylinders
chromforum.org
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Why HOVOGEN LH/LX Collection Stands here Out
Sector-top purity calculated at 99.9996%, with oxygen <0.one ppm and moisture <1 ppm—excellent for sensitive analytical work
Hovogen
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High effectiveness: around 4000 mL/min move and 1.six MPa pressure—surpasses a lot of competitors
Hovogen
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Routine maintenance-free of charge with computerized drying/purification, lowering downtime and price
Hovogen
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Sturdiness backed by a three-year warranty and Procedure stability beneath worry exams