From GC carrier gas to industrial hydrogen fueling — our gas generators and power protection systems are configured for the most demanding analytical and industrial applications. Find your instrument below.
Each application card shows the gases required, the instruments served, and links to the recommended generators. Select your application to learn more.
Hydrogen carrier gas for faster analysis, nitrogen make-up gas for detector optimization, and hydrocarbon-free zero air for FID flame fuel. On-site generation eliminates cylinder downtime and improves chromatographic performance.
High-purity nitrogen or argon nebulizer gas and plasma torch cooling for ICP-OES and ICP-MS. Consistent gas purity minimizes spectral interference and maintains plasma stability for accurate trace-element analysis.
High-flow nitrogen for LC-MS desolvation, curtain gas, and collision cell operation. Membrane generators with built-in compressors deliver 20–70 L/min continuously — no cylinder changeouts during overnight runs.
Dry nitrogen purge gas eliminates atmospheric CO₂ and water vapor interference in the IR beam path. Consistent, moisture-free nitrogen ensures stable backgrounds and reproducible spectral measurements.
Ultra-pure hydrogen flame fuel (30–40 mL/min) and hydrocarbon-free zero air (300–400 mL/min) for clean FID baselines. Catalytic oxidation zero air generators reduce THC to <0.05 ppm, eliminating ghost peaks.
Zero-grade air and nitrogen for total organic carbon combustion and carrier gas. On-site generation ensures consistent gas quality that meets TOC analyzer requirements for low-level carbon detection.
High-flow nitrogen for sample concentration under gentle gas streams. Membrane generators with integrated compressors supply 20–70 L/min for multi-position evaporator workstations without cylinder logistics.
Reliable, high-purity hydrogen for PEM fuel cell R&D, stack testing, and durability cycling. Load-following PEM electrolyzers automatically match variable demand profiles from single-cell to full-stack test stands.
Nitrogen for oxygen displacement and atmosphere control in cell culture incubators, fermentation bioreactors, and anaerobic chambers. Continuous on-site supply eliminates the risk of overnight gas depletion.
Isolation-transformer power conditioners and online double-conversion UPS systems protect mass spectrometers, chromatographs, and diagnostic instruments from surges, sags, noise, and outages.
Hydrogen as an alternative flame gas for atomic absorption spectroscopy. On-site hydrogen generation eliminates acetylene cylinder hazards, reduces storage requirements, and provides a cleaner, more controllable flame.
On-site PEM electrolysis for hydrogen vehicle fueling stations, forklift fleet refueling, float glass manufacturing, metallurgy, and power-to-gas energy storage. Nel S, H, and C Series from 10 to 1,140 SCF/h.
Every figure below comes from the detailed application pages — follow the links for instrument-specific guidance.
| Application | Gas / Utility | Purity Required | Typical Flow | Recommended SLI System |
|---|---|---|---|---|
| GC / GC-MS | H₂ carrier & FID fuel, N₂ make-up, zero air | H₂ ≥99.999% (GC-MS up to 99.99999%); air <0.05 ppm THC | Carrier 1–5 mL/min; make-up 20–60 mL/min; FID air 300–400 mL/min | HG Series + NG EOLO + ZA Series |
| LC-MS / UHPLC | N₂ desolvation, curtain & ELSD gas | >95–99.5% | Desolvation 10–20 L/min; curtain 3–10 L/min | NG CASTORE XL iQ |
| ICP / ICP-MS | N₂ nebulizer/auxiliary, H₂ collision-cell gas | N₂ ≥99.999%; H₂ ≥99.9999% | N₂ 10–20 L/min; H₂ 1–10 mL/min | NG CASTORE XL iQ + HG PRO |
| FTIR / NIR | Dry N₂ purge gas | 99.5–99.999%, moisture-free | 2–10 L/min purge; 1–5 L/min detector | NG EOLO / NG CASTORE |
| FID Detectors | H₂ flame fuel + hydrocarbon-free air | H₂ >99.999%; air <0.05 ppm THC | H₂ 30–40 mL/min; air 300–400 mL/min | HG PRO / HGA ST + ZA FID Air |
| TOC Analyzers | CO₂-free zero air or N₂ carrier | <0.05 ppm THC; N₂ >99.999% CO₂-free | 100–250 mL/min | ZA Total / NG EOLO |
| Sample Evaporation | N₂ blowdown gas | >95–99%, dry & oil-free | 0.5–2 L/min per position; 6–96+ L/min multi-position | NG CASTORE XL iQ |
| Fuel Cell Testing | High-pressure H₂ + N₂ purge | H₂ >99.999% | H₂ 100 cc/min–20 SLPM at up to 174 psi; N₂ 1–20 L/min | HG PRO / HG PRO M + NG EOLO |
| Incubators & Bioreactors | N₂ blanketing, H₂ anaerobic mixes | N₂ 99.999%; H₂ 99.9999% | N₂ 0.5–8 L/min; H₂ 120–600 cc/min | NG EOLO + HG Series |
| AAS / Flame AA | H₂ hydride generation & cold vapor | 99.9999% | 80–400 cc/min | HG Series |
| Critical Power | Power conditioning & UPS | ±1% voltage regulation | 80 VA–7 kVA conditioning; 2.2–10 kVA UPS, <4 ms transfer | NXT Power |
| Industrial H₂ Fueling | On-site hydrogen production | Electrolytic H₂ | 10–1,140 SCF/h at 200–435 psig | Nel Hydrogen H & C Series |
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