Method 2515

Diazomethane by GC/FID

This method is for the determination of diazomethane. The sample is collected on octanoic acid-coated XAD-2 resin, desorbed in 1 mL of carbon disulfide and allowed to stand for 15 minutes, and analyzed by GC/FID. The working range is 0.1 to 0.6 ppm (0.2 to 1 mg/m³) diazomethane for a 10 L air sample. NOTE: This method revises Method S137.

(NIOSH Issue 2: 15 August 1994)


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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   Not noted in method
Preservatives:   Not noted in method
Required Preps:   Solid sorbent tubes: XAD-2 resin coated with octanoic acid, 100 mg/50 mg, 7cm x 8mm OD x6mm ID
Collection Method:   Solid sorbent tubes: 6 - 30 L @ 0.20 L/min.
Analytical Methodology:   GC/FID
Documentation:   2515

Analyte List*

Analyte Formula CAS Number Detection Limit

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.