Method 2539

Aldehyde, Screening


This is a screening technique to determine the presence of aldehydes and should not be used for quantitation. Further confirmation of aldehyde identification should be performed by gas chromatography/mass spectrometry. Methods for quantitation of some aldehydes listed in this method are available in the NIOSH Manual of Analytical Methods. All aldehydes tested have been detected by this method in bulk field samples. The sample is collected on XAD-2 and analyzed using GC/FID with GC/MS used for further confirmation.


(NIOSH Issue 2: 15 August 1994)

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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   At least one week @ 25 °C
Preservatives:   25 °C
Required Preps:   10% 2-(hydroxymethys) piperidine on XAD-2, 120 mg / 60 mg, 10 cm x 6 mm OD x 4mm ID
Collection Method:   Solid sorbent tube 5 L @ 0.01-0.05 L/min
Analytical Methodology:   GC/FID, GC/MS
Documentation:   2539

Analyte List*

Analyte Formula CAS Number Detection Limit
Acrolein
C3H4O
107-02-8
2
 µg
Valeraldehyde (Pentanal)
C5H10O
110-62-3
2
 µg
Heptylaldehyde (heptanal)
C7H14O
111-71-7
2
 µg
Propionaldehyde (Propanal)
C3H6O
123-38-6
2
 µg
Butyraldehyde (Butanal)
C4H8O
123-72-8
2
 µg
Crotonaldehyde
C4H6O
123-73-9
2
 µg
Formaldehyde
CH2O
50-00-0
2
 µg
Isovaleraldehyde
C5H10O
590-86-3
2
 µg
Hexaldehyde (hexanal)
C6H12O
66-25-1
2
 µg
Acetaldehyde
C2H4O
75-07-0
2
 µg
Isobutyraldehyde
C4H8O
78-84-2
2
 µg
Furfural
C5H4O2
98-01-1
2
 µg

* 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.