Method 1609

Tetrahydrofuran


This method is used for the collection and analysis of tetrahydrofuran.  The sample is collected on a charcoal tube.  After collection, the sample is desorbed with carbon disulfide and analyzed by GC/FID (flame ionization detector).  High humidity sampling atmospheres may reduce the breakthrough volume of the charcoal tube.

The working range of the method is 100 to 2600 mg/m³ (34 to 880 ppm) for a 5 L sample.

NOTE: This method revises Method S78.


(NIOSH Issue 2: 15 August 1994)

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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   None specified in the method.
Preservatives:   None specified in the method.
Required Preps:   Coconut shell charcoal tube, 50 mg/100 mg, (SKC 226-01)
Collection Method:   The method recommends a 0.01 - 0.2 L/min. flow rate and a 1 - 9 L sample collection volume.
Analytical Methodology:   GC/FID
Documentation:   1609

Analyte List*

Analyte Formula CAS Number Detection Limit
Tetrahydrofuran
C4H8O
109-99-9
0.05
 mg

* 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.