Question/Answer
Is the range of uncertainty for the SGT-HEM portion of this standard (G3025) also +/- 2%?
The uncertainty for each of the individual components is ± 1%.
Hi Environmental Express, I purchase your 10 mg HEM standards. The certificate that comes with the standards has the concentration but not the uncertainty associated with the 10 mg. Please send to me.
The uncertainty of our cat# G3026 standard is 10mg +/- 2% HEM.