Trobleshooting gas chromatography gc
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TROBLESHOOTING GAS CHROMATOGRAPHY (GC) PowerPoint PPT Presentation


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TROBLESHOOTING GAS CHROMATOGRAPHY (GC). Parto Zist Behboud Reza Daj 8/16/2014. Today’s Overview. Introduction. Injection Port. Flow Controller. Detector. Data Processor. Electric Signal. Column Oven. Gas Cylinder. Column. Troubleshooting Approach. Sample Injector System.

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TROBLESHOOTING GAS CHROMATOGRAPHY (GC)

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Trobleshooting gas chromatography gc

TROBLESHOOTING GAS CHROMATOGRAPHY (GC)

Parto Zist Behboud

Reza Daj

8/16/2014


Today s overview

Today’s Overview


Introduction

Introduction

Injection Port

Flow Controller

Detector

Data Processor

Electric Signal

Column Oven

Gas Cylinder

Column


Troubleshooting approach

Troubleshooting Approach


Sample injector system

Sample Injector System


Detector

Detector


Carrier gas and detector gas

Carrier Gas and Detector Gas

Carrier Gas and Detector Gas

Carrier Gas

He and N2 are usuallyused.

(In the case of a capillary column, helium is desirable)

The gas of 99.999% or more of purity is used.

Detector Gas

TCD ... No need

FID ... H2, Air

ECD ... N2(In the case of a packed column, carrier gas is surely N2.

In the case of a capillary column, N2 is used for makeup gas. )

FTD ... H2, Air

FPD ... H2, Air

BID ... He


Pressure problems

Pressure Problems


Leaks

Leaks


Component malfunctions

Component Malfunctions


Baseline problems

Noisy Baselines

AFC

Gradient Temperature

Detector

Recorder

Data System

Baseline Problems

Drifting or Cycling Baseline

Equilibration

Late Peaks

Temperature

Electrical


Peak problems

Peak Problems


Parto zist behboud

PARTO ZIST behboud

Web: www.Partoz.com

Contact: [email protected]

Tel: 88104115

Fax: 88104117


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