Gravimetric Preparation of Toluene CGMs in Nitrogen Gas: Verification and Stability Assessment
Gazal Garg,
Poonam Kumari,
Daya Soni
Abstract:This research paper presents the preparation, verification and stability evaluation of a toluene calibration gas mixtures (CGMs) in nitrogen gas via gravimetric method. These toluene gas mixtures are prepared gravimetrically i. e., by wt. mixing of high‐purity gases according to the International Organization for Standardization, ISO 6142, and are validated as per ISO 6143. Toluene gas mixtures within the range of 5 to 20 μmol/mol are prepared and traceability with SI, ‘International system of units’, amount o… Show more
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