This method is for the determination of specific conductance in drinking, ground, surface, and saline waters and domestic and industrial aqueous wastes. Method 9050 is not applicable to solid samples or to organic samples. The specific conductance of a sample is measured using a self-contained conductivity meter (Wheatstone bridge-type or equivalent). Samples should be analyzed at 25°C and unless a temperature correction routine is used by the instrument, samples of different temperatures must be equilibrated to and results reported at 25°C.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | 28 days from sample collection to analysis. |
| Preservatives: | Store samples at 4°C. |
| Required Preps: | 1 L HDPE or amber glass bottle |
| Collection Method: | Grab sampling |
| Analytical Methodology: | Conductivity Meter |
| Documentation: | 
9050A
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Conductivity | 2 |
umho/cm | ||
* 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.