This page needs to be proofread.
HIPPURIC and METHYL HIPPURIC ACIDS in urine: METHOD 8301, Issue 3, dated 15 March 2003 - page 5 of 5 TAB LE 1 . OVE RAL L PR EC ISION , ACCUR ACY , AND BIAS Range Studied (µg/mL)
Estimated Accuracy (%)
Average
Hippuric acid
10-1000
16.0
-0.081
2-Methyl hippuric acid
10-1000
19.8
3-Methyl and 4-Methyl hippuric acids
10-1000
18.9
Compound
Bias
Overall Precision (ÖrT )
Instrument Precision (Sr)
-0.312-0.0237
0.0538
0.020
-0.099
-0.286-0.0141
0.0672
0.015
-0.097
-0.2959-0.3869
0.0615
0.011
Range
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
