Method 6016

Ammonia by IC

This method is for the determination of ammonia in workplace air. The sample is collected on sulfuric acid treated silica gel tube, desorbed in deionized water, and analyzed by ion chromatography. A 0.8 micron MCE pre-filter may be used to remove particulate interferences. The working range is 24-98 ppm (17 - 68 mg/m³) for a 30 L sample.

This method is applicable to STEL (short term exposure limit) measurements when sampled at > 0.2 L/min.

NOTE: This method combines the sampling procedure methods of S347 and 6015 with an ion chromatographic analytical procedure similar to M6701 & OSHA Method ID-188.

(NIOSH Issue 1: 15 May 1996)


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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   At least 35 days from sample collection to analysis if kept at 5°C
Preservatives:   Keep sample at 5°C.
Required Preps:   Sulfuric acid treated silica gel tube, 100mg/20mg (SKC 226-10-06)
Collection Method:   The method recommends a 0.1 to 0.5 L/min. flow rate and a 0.1 to 96 L sample collection volume.
Analytical Methodology:   IC
Documentation:   6016

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.