GB/T 18994-2014 (English Version) Gases for electronic industry.High purity chlorine

Standard No.: GB/T 18994-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 18994-2014
Replace: GB/T 18994-2003

Scope: This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of high-purity chlorine. This standard applies to high-purity chlorine products produced using industrial liquid chlorine as raw material and using processes such as physical adsorption. This product is mainly used in technical fields such as large-scale integrated circuits, optical fibers, high-temperature superconductors, flat panel displays, and solar energy. Molecular formula: Cl₂. Relative molecular mass: 70.90 (calculated according to the international relative atomic mass in 2009).

GB/T 18994-2014 Referenced Document

GB 11984 Safety regulation for chlorine
GB 14193 Rules for filling of liquefied gas cylinders
GB 15258 General rules for preparation of precautionary label for chemicals
GB 16804 Precautionary labels for gas cylinders
GB 190 Packing symbol of dangerous goods
GB 5099 Seamless steel gas cylinders
GB 7144 Coloured cylinder mark for gases
GB/T 26571 Specification for the shelf life of a specialty gas
GB/T 28726-2012 Gas analysis.Gas chromatograph with helium ionization detector
GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
GB/T 5832.3 Determination of moisture in gases.Part 3:The method of Cavity Ring-Down Spectroscopy