50 PPM Hydrogen Sulfide Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder.

Description

50 PPM Hydrogen Sulfide (H2S) calibration gas with a balance of nitrogen contained in a 29 Liter aluminum cylinder. Use to calibrate any gas detector requiring the specified gas concentration and mixture. Manufactured under ISO:9002 quality standards by NorLab Specialty Gases with NIST traceability certification.