Standard operating procedure for the Varian 3800 Gas Chromatograph covering safety, operation, maintenance, and troubleshooting.
This document serves as a Standard Operating Procedure (SOP) for the Varian 3800 Gas Chromatograph (GC). It outlines the purpose of the procedure, which is to promote consistent and safe use of the instrument within a laboratory setting, rather than acting as a substitute for formal training. The guide covers theoretical background on gas chromatography, including instrumentation components like injectors, columns, and detectors.
The manual provides detailed instructions on potential hazards, personal protective equipment, spill and accident procedures, and waste disposal. It includes specific protocols for creating methods, sample analysis, and data viewing, alongside a troubleshooting section and a schedule for preventative maintenance ranging from daily checks to annual requirements.
The instrument can analyze any compound that will volatilize at temperatures below approximately 350 oC.
Samples volumes are typically 1 l, though this should be adjusted based on expected vapour volume.
The septum purge is usually set at a fixed rate between 1-3 ml/min.