Patent Number: 7,913,535

Title: Apparatus and methods for dilution

Abstract: Self-calibrating apparatus and methods for dilution of an analyte-containing fluid, and in particular for dilution of analyte concentrations beyond the normal measurement range of a detector, without the requirement for other detectors. The apparatus is preferably a respirator test system for determining respirator mask fit in the presence of high aerosol challenge concentrations.

Inventors: Richardson; Grant Stuart (Salisbury, GB)

Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

International Classification: G01N 31/00 (20060101)

Expiration Date: 2019-03-29 0:00:00