Table 5: Reference and measured values for three polyethylene standards. The experimental uncertainty (at 95% level) includes estimated systematic uncertainty plus Poisson counting statistical error.

SampleCrHgPbBrError

PE_5398_NReference1001100010005004% (95% level)
Measured102095098144210% (95% level)
PE_H_18AReference10001100120011004% (95% level)
Measured102011501220109010% (95% level)
PE_LReference4002004005004% (95% level)
Measured40118541950810% (95% level)