Varian 220-MS Application Note EPA 521 Nitrosamines Analysis

About this manual

This document provides procedures for determining seven specific nitrosamine compounds (NDMA, NMEA, NDEA, NDPA, NDBA, NPYR, and NPIP) in finished drinking water using US EPA Method 521. The method utilizes a Varian 220-MS Ion Trap Mass Spectrometer coupled with a 450-GC Gas Chromatograph.

What's inside

• Introduction
• Instrumentation
• GC Conditions
• MS Conditions
• MS/MS Parameters
• Results and Discussion
• Calibration Data

Frequently asked questions

What are the acceptance criteria for initial calibration?

At the highest point, CAL standards must fall between 70-130% of their true value, and at the lowest point, they must fall between 50-150%.

What is the purpose of this application note?

This document provides procedures for determining nitrosamines in finished drinking water using the Varian 220-MS Ion Trap system.

What are the required dimensions for the GC column?

The specified column dimensions are 60 m x 0.25 mm x 1.4um.