Markes International, Ltd. | Authors


Measuring Emissions From Products and Materials

An introduction to microchamber sampling for the rapid screening of chemical emissions from construction materials and consumer products

Optimized Hydrogen Fuel Impurity Analysis

This application note shows the robust, reproducible analysis of trace VOCs in hydrogen fuel by TD–GC–MS/SCD.

The Theory and Practice of Passive Monitoring

Theory and practice of using axial and radial samplers for passive (diffusive) monitoring of VOCs in air

Determination of Nitrous Oxide Using TD-GC

Personal exposure testing of nitrous oxide can be done via passive and breath sampling using Markes’ Bio-VOC and TD–GC.

Sorbent Selection Advice for Air Sampling

Advice on which sorbent to use for pumped (diffusive) tube monitoring of various vapour-phase organics; suggests parameters for conditioning and storing packed tubes.