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3-BROMOPROPIONIC ACID in URINE: METHOD 8324, Issue 1, dated 29 August 2014 - Page 6 of 9
FIGURE 1
The major ions monitored for the tert-butyldimethylsilane derivatives were the molecular ions less the tert-butyl group (m/z = 57). The ions used for quantitation are m/z (mass to charge) 165 for the internal standard derivative and m/z 211 for the 3-bromopropionic acid derivative.
NIOSH Manual of Analytical Methods (NMAM), Fifth Edition