Independent laboratory finds GD/XP filters minimise leaching and retention of inorganic ions in environmental and industrial sample preparation
Whatman announced that its GD/XP filters have been independently verified by Katahdin Analytical Services, one of New England's largest environmental laboratories, as effective filtration devices for environmental and industrial testing.
The analysis performed by Katahdin found that Whatman GD/XP filters have a very low inorganic ion background, which ensures the integrity of samples during the filtration process.
To conduct the study, Katahdin passed 100ml of dilute nitric acid through a GD/XP syringe filter and measured the levels of 23 target analytes using ICP-MS and Environmental Protection Agency-approved protocols.
The resulting data showed minimal presence and retention of metals on the filter.
"With these results, scientists performing inorganic ion analysis can be sure that their samples will not be compromised during the filtration process," said Martin Tricarico, vice president of business development, Whatman.
"The Katahdin study confirms that GD/XP filters are reliable and effective for testing environmental and industrial samples.
"It is encouraging to see this data coming from such a well-respected environmental laboratory".
Whatman GD/XP disposable syringe filters are ideal for use with samples prior to inorganic ion analysis because levels of ion extractables are minimised.
The filters also serve as an alternative choice for users requiring a device that exhibits extremely low protein binding characteristics.
"The value of a filtration system is dependent on its ability to both filter out unwanted contaminants and preserve the chemical composition of a sample," said Gregory Lull, senior environmental chemist with Katahdin Analytical Services.
"Our analysis demonstrates that Whatman GD/XP filters will maintain sample integrity during the filtration process."
