Description: The Linde Environmental Division is recognized as the worldwide leader in manufacturing calibration gas standards for the environmental monitoring community. The diligent work of Linde's ...

Industrial Gases: Benzene (71-43-2), Ethylbenzene (100-41-4), Toluene (108-88-3), m-Xylene (108-38-3), o-Xylene (95-47-6), p-Xylene (106-42-3) Product Form: Bulk Gaseous ...

In Hong Kong, the final authority on weights and measures is the Standards and Calibration ... is the benchmark for calibration, for everything from an electricity or gas meter to a stopwatch.