Hydrogen generator vs cylinder for GC: how do you choose?

Direct answer

Choose between a generator and a cylinder by reviewing required purity, peak and continuous flow, pressure, installation, ventilation, local safety rules, redundancy and total operating practice.

Selection checklist

• Define the sample matrix and target analytes.
• Confirm the applicable official or validated method.
• Match sample preparation, separation and detector response.
• Verify blanks, calibration, carryover and performance with the real sample.

Technical boundary

This page is selection guidance. It does not replace a standard method, instrument manual or laboratory validation.