2515 - Centers for Disease Control and Prevention
DIAZOMETHANE: METHOD 2515, Issue 2, dated 15 August 1994 - Page 3 of 4 b. Analyze with samples and blanks (steps 11 and 12). c. Prepare calibration graph (ratio of peak area of methyl octanoate to that of the internal standard vs. µg methyl octanoate). 9. Determine desorption efficiency (DE) at least once for each lot of coated XAD-2 resin ...![](/images/whatsappp.png)