Showing posts tagged with "water-and-environmental-testing"
Introduction Pesticides have gone far in increasing food supply, important in a world expecting to have 9.8 billion people by 2050. However, the mechanisms that make pesticides effective in eliminatin...
The EVOLUTE® EXPRESS product family is versatile, available in five sorbent chemistries to accommodate all of your extraction demands. Choose from a variety of formats including multiple cartridge siz...
Introduction Semi volatile organic compounds (SVOC) have a variety of chemical properties that have been found to cause harmful effects to both humans and the environment. Accurate measurements are ch...
A ramp method uses a gradient flow ramp where an initial low flow rate of nitrogen is applied to minimize splashing with large volume samples. As the evaporation method progresses, the flow rate is gr...
Introduction Drinking water is an important part of environmental exposure, especially for small children. Countries around the world have put regulations in place to monitor drinking water quality fo...
Introduction Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants introduced into the environment from anthropogenic activities such as combustion of fossil fuels, tobacco smoking and eve...
This innovative SPE technique is used in applications where multiple suites of analytes with a broad polarity range are to be extracted simultaneously from a single water sample, such as organochlorin...
Introduction This method is applicable to the determination of Oil and Grease as defined by EPA Method 1664 as Hexane Extractable Material (HEM, also referred to as Total Oil and Grease) as well as Si...
Step Operation Solvent Solvent Vol. (mL) Purge Time (s) Pump Rate (#) N2 Blanket Sat. Time (s) Soak Time (s) Elute Time (s) Introduction The US EPA monitors a variety of chemicals in water that may ca...
The Biotage® Horizon 5000 is already known for its flexibility extracting everything from clean to dirty samples automatically using solid phase extraction (SPE) disks. However, with a little-known ad...