This note provides a basic overview of 25 key regulated compounds rapidly set up on the 210-MS Ion Trap GC/MS system for the analysis of water samples by EPA Method 525.2.
This document provides an overview of analyzing 25 key regulated compounds for US EPA Method 525.2 using the Varian 210-MS Ion Trap Mass Spectrometer with a 431-GC Gas Chromatograph. It details the specific instrumentation, including the split/splitless injector and autosampler used in the setup.
The note outlines the initial calibration procedures, specifying concentration ranges from 0.05 to 10 ppm and acceptable %RSD limits. It presents detailed GC conditions (temperature programming) and MS parameters such as scan range, emission current, and ion trap temperature.
| Column | FactorFour VF-5ms 30 m x 0.25 mm x 0.25 pm |
|---|---|
| Injector Part Number | RT210462145 |
| AutoSampler Model | 8400 |
| Scan Range | 45-450 m/z |
| Emission Current | 15 pA |
| Ion Trap Temperature | 210 °C |
The %RSD for each analyte should be less than 30% to use mean response factors or linear regression fitting.
No, quadratic calculations may not be used according to the method requirements.
Calibration solutions of 0.05, 0.1, 0.2, 0.5, 1, 2, 5, and 10 ppm are used for all analytes.