This standard specifies the terms and definitions, requirements, and test methods for technical requirements for terephthalic acid recycled from the textile dyeing and finishing industry. This standard applies to terephthalic acid recovered from alkali reduction process wastewater in the textile dyeing and finishing industry.
FZ/T 01108-2011 Referenced Document
GB/T 3143 Color determination method of liquid chemicals(Hazen unit--Platinum-cobalt scale)
GB/T 7531 Determination of ignition residue for organic chemical products
SH/T 1612.2 Determination of acid value of purified terephthalic acid for industrial use
SH/T 1612.3 Determination of metal content in industrial purified terephthalic acid atomic absorption spectrophotometry
SH/T 1612.4 Determination of water content in purified terephthalic acid for industrial use Karl Fischer volumetric method
SL 78 Determination of conductivity (Conductivity instrument method)