GB/T 6705-2008Coking phenol (English PDF)

1 Scope

This standard specifies the technical requirements of phenol, test methods, inspection rules, marking, packaging, transportation, storage and safety precautions.

This standard applies from coal tar, crude phenol phenol sewage system taken by phenol distillation system.

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 packaging and marking of dangerous goods

GB/T 1999 coking products light oil sampling methods

GB/T 2288-2008 Determination of Water coking products

Gas chromatographic method GB/T 2601 phenol products consisting of

GB/T 3711 phenol products neutral oils and pyridine Content Determination Method

GB/T 6706 coking phenol Moisture crystallization point of descent

GB/T 8170 numerical rounding rules

3 Technical requirements

Coking phenol, phenol industry technical requirements should be consistent with the provisions in Table 1.

Table 1 project index

Coking phenol

Premium grade First grade Qualified

Phenol Industry

Appearance White or slightly colored crystalline -

Moisture (mass fraction) /% <= 0.2 0.2 0.3 1.0

Phenol content (mass fraction) /% not less than 99.5 99.0 98.0 80.0

Neutral oil

Volumetric method (volume fraction) /% not more than 0.05 0.1 0.1 0.5

Turbidimetric method/not more than # 244--

Pyridine alkali content (W/V) /% is not greater than - - - 0.3

Note. when liquid state is colorless or slightly colored transparent liquid.

Test Method 4