This standard specifies the product classification, requirements, test methods, inspection rules as well as marking, packaging, transportation, storage and safety of trichloroethylene for industrial use.
This standard is applicable to trichloroethylene for industrial use prepared by dehydrochlorination of tetrachloroethane.
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 601 Chemical reagent - Preparations of standard volumetric solutions
GB/T 603 Chemical reagent - Preparations of reagent solutions for use in test methods
GB 700 Carbon structural steels
GB/T 3143 Color determination method of liquid chemicals (Hazen unit; Platinum-cobalt scale)
GB/T 4472-2011 Determination of density and relative density for chemical products
GB/T 6283 Chemical products - Determination of water - Karl•Fischer method (general method)
GB/T 6324.2 Test method of organic chemical products - Part 2: Determination of dry residue after evaporation on a water bath for volatile organic liquids
GB/T 6678 General principles for sampling chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9722 Chemical reagent - General rules for the gas chromatography
Trichloroethylene is divided into Type I and Type II products according to different applications. Type I products are mainly used as raw materials for chemical production, and Type II products are mainly used for industrial cleaning.
Foreword i
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Test method
6 Inspection rules
7 Marking, packaging, transportation and storage
8 Safety
Annex A (Normative) Typical chromatogram and relative retention values of components for content determination of trichloroethylene, trichloroethane and tetrachloroethylene
