GB/T 4118-2008Trichloromethane for industrial use (English PDF)

1 Scope

This standard specifies the requirements for industrial use chloroform, test methods, inspection rules, marking, packaging, transportation, storage and security.

This standard applies to the production of methanol and hydrogen chloride process chloroform production, testing and marketing. The products are mainly used in the manufacture refrigeration

Agent, also used as a solvent extraction agent, medicine and dye intermediates.

Formula. CHCl3.

Molecular Weight. 119.378 (according to 2005 international relative atomic mass).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB 190-1990 dangerous goods packaging logo

GB/T 191-2000 Packaging - Pictorial signs (eqv ISO 780.1997)

Represents GB/T 1250 limit values and the method of determining

GB/T 3143-1982 Determination of color liquid chemicals (Hazen unit --- platinum - cobalt color number)

GB/T 4117-2008 industrial dichloromethane

GB/T 6678-2003 General Principles for Sampling Chemical Products

GB/T 6680-2003 General rules for sampling liquid chemical products

Laboratory use specifications and test methods (. 1987 eqv ISO 3696) GB/T 6682-1992 Analysis

GB/T 21541-2008 industrial chlorinated methane product purity determined by gas chromatography

3 Requirements