An estimated 1.4 million people are exposed to formaldehyde in the workplace, and virtually the entire population comes into contact with the chemical because of its ubiquitous presence in polluted air and in consumer products. an interim report from the chemical industry institute toxicology stated… More

Under battlefield conditions a sensor that would present the soldier with an unequivocal indicator of the life remaining in his cw filter is an urgent requirement. it must be dependable, simple interpret and have no unusual power requirement. it should be inexpensive enough to dispose away with the… More

A majr problem facing defensive forces exposed to chemical agents is the lack of an accurate method for detecting the active life remaining in filters. methods available to-date are slow and involve fairlyexpensive equipment which require more than casual familarity with chemical instrumentation. in… More

The rapid, continuous measurement of relative humidity in fast flowing gas streams is a matter of a major concern not only for flight requirements, but also for many industrial processes. while many methods exist at present, they all suffer limitations and there are no truly reliable instruments for… More