GB 4287-1992
Discharge standard of water pollutants for dyeing and finishing of textile industry (English Version)

Standard No.

GB 4287-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2013-01

Replace By

GB 28936-2012

GB 28937-2012

GB 28938-2012

GB 4287-2012

Latest

GB 4287-2012(XG1-2015)

Scope

This standard specifies the definition and symbols, symbols, principles, test equipment and requirements, sample preparation, dilatometer calibration, measurement procedures, calculation of measurement results, test reports, accuracy and deviation, etc. . This standard applies to the detection of linear thermal expansion of metal material samples in the temperature range of -180 to 900 ° C by means of components composed of the same fused silica carrier and push rod. It is also applicable to ceramics, refractory materials, glass, rocks, etc. Detection of linear thermal expansion of samples with rigid solid characteristics; if high-purity alumina components are used instead, the temperature range can be extended to 1600°C; if isotropic graphite is used instead, the temperature range can be extended to 2500°C.

GB 4287-1992 history

• 0000 GB 4287-2012(XG1-2015)
• 2012 GB 13458-2013 Discharge standard of water pollutants for ammonia industry
• 2001 GB 13458-2001 Discharge standard of water pollutants for ammonia industry
• 1992 GB 13458-1992 Discharge standard of water pollutants for ammonia industry
• 1988 GB 8978-1988 Integrated waste water discharge standard
• 0000 GB 54-1973

GB 4287-1992 Discharge standard of water pollutants for dyeing and finishing of textile industry was changed to GB 28937-2012 Discharge standards of water pollutants for woolen textile industry.

GB 4287-1992 Discharge standard of water pollutants for dyeing and finishing of textile industry was changed to GB 28938-2012 Discharge standards of water pollutants for bast and leaf fibres textile industry.

GB 4287-1992 Discharge standard of water pollutants for dyeing and finishing of textile industry was changed to GB 28936-2012 Discharge standards of water pollutants for reeling industry.