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Laboratory Industry

Nitrogen and hydrogen generators for LC-MS and gas chromatography, and precision pumps for sample and reagent transfer.

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Laboratory Industry
Engineering Solutions

In analytical laboratories LC-MS instruments use nitrogen continuously, while gas chromatographs use hydrogen as carrier and fuel gas. Benchtop and compact gas generators remove cylinder changes and keep purity constant. We offer peristaltic and dosing pumps for samples, reagents and waste.

Analytical labs depend on gas supplies that cannot be interrupted mid-sequence: an LC-MS needs a steady nitrogen flow for nebulising and drying, and a GC needs hydrogen of consistent purity as carrier and detector fuel gas. Benchtop nitrogen and hydrogen generators sit next to the instruments, avoid cylinder changes and store only a small amount of hydrogen. Peristaltic pumps transfer samples and reagents without cross-contamination, and vacuum pumps serve filtration, evaporators and degassing. For a proposal, send instrument models and number, gas flow and pressure per instrument, required purity, and the liquids or vacuum level involved.

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Frequently asked questions

Is a hydrogen generator safe to use as GC carrier gas?

Laboratory hydrogen generators produce gas on demand and hold only a very small volume, so the stored quantity is far smaller than in a cylinder. Built-in leak detection and pressure monitoring shut the unit down on a fault. Instrument settings may need adjustment when switching from helium.

How many LC-MS instruments can one nitrogen generator supply?

That depends on each instrument’s flow and pressure requirement, which varies by model and method, typically from about 15 to 35 litres per minute. Adding the peak flows of all connected instruments, with some reserve, gives the generator size. One central unit or one per instrument are both possible.

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