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Agilent J&W DB-35ms UI Ultra Inert GC Column Application Note
This document details the analysis of challenging pesticide samples using the Agilent J&W DB-35ms Ultra Inert (UI) gas chromatography column. The note highlights how the column's inertness prevents peak tailing and degradation of active analytes like endrin and DDT, which are common issues in standard systems. It also emphasizes the column's midpolar phase for improved selectivity, allowing for the baseline resolution of coeluting peaks such as chlorpyrifos-methyl and methyl parathion.
Read onlineAgilent W DB-35ms Ultra Inert specifications
| Column Dimensions | 20 m x 0.18 mm, 0.18 µm |
|---|---|
| Part Number | 121-3822UI |
| Carrier Gas | Helium |
| Flow Rate | 1.3 mL/min |
| Oven Temperature Program | 50 °C (1.3 min), 50 °C/min to 135 °C, 15 °C/min to 200 °C, 20 °C/min to 310 °C (2.5 min), 5 min at 310 °C |
Source: Agilent J&W DB-35ms UI Ultra Inert GC Column Application Note
All Agilent W DB-35ms Ultra Inert documents by type
How to use the product for one specific task, with worked examples.
- Agilent J&W DB-35ms UI Ultra Inert GC Column Application Note 8 p
- Agilent J&W DB-35ms Ultra Inert Application Note for Organophosphorus Residues in Olive Oil 10 p
- Agilent J&W DB-35ms Ultra Inert GC Column Application Note for TSNA Analysis 6 p
- Agilent J&W DB-35ms Ultra Inert GC Column Application Note for Organophosphorus Pesticides in Apple Matrix 8 p
Questions answered in these manuals
What is the part number for the Agilent J&W DB-35ms UI column?
The part number for the Agilent J&W DB-35ms UI column is 121-3822UI.
From: Agilent J&W DB-35ms UI Ultra Inert GC Column Application Note
How does the DB-35ms UI column improve analysis of active analytes?
The Ultra Inert series helps minimize column activity so that difficult and active analytes can be consistently analyzed at trace levels without degradation.
From: Agilent J&W DB-35ms UI Ultra Inert GC Column Application Note
What column is used for this analysis?
The method uses an Agilent J&W DB-35ms Ultra Inert (UI) 30 m x 0.25 mm, 0.25 pm column.
From: Agilent J&W DB-35ms Ultra Inert Application Note for Organophosphorus Residues in Olive Oil
What detection limits were achieved?
The detection limits for most of the pesticides were 10-15 ng/mL.
From: Agilent J&W DB-35ms Ultra Inert Application Note for Organophosphorus Residues in Olive Oil
What is the method detection limit for NNK in mainstream cigarette smoke using this method?
The estimated method detection limit for NNK is 0.03 ng/cig.
From: Agilent J&W DB-35ms Ultra Inert GC Column Application Note for TSNA Analysis
What is the lower limit of quantitation for NNK in this analysis?
The lower limit of quantitation for NNK is 0.087 ng/cig.
From: Agilent J&W DB-35ms Ultra Inert GC Column Application Note for TSNA Analysis