SH/T 1612.1-2005 Purified terephthalic acid for industrial use

SH/T 1612.8-2005 Purified terephthalic acid for industrial use-Determination of partical size distribution-Laser diffraction method SH/T 1612.10-2005 Purified terephthalic acid for industrial use-Determination of b* (CIE 1976) value-Different color meter

SH 1612.1-1995 Industrial grade para-terephthalic acid

GB/T 1250-1989 Rules for expression and judgement of limiting values GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale) GB/T 6678-2003 General principles for sampling chemical products GB/T 6679-2003 General rules for sampling solid chemical products GB/T 7531-1987 Determination of ash for organic chemical products GB/T 7531-2008 Determination of ignition residue for organic chemical products SH/T 1612.10-2005 Purified terephthalic acid for industrial use-Determination of b* (CIE 1976) value-Different color meter SH/T 1612.2-1995 The determination of acid value in polyesterified para-phthalic acid for industrial use SH/T 1612.3-1995 Determination of metal content in industrial grade pure terephthalic acid by atomic absorption spectrophotometry SH/T 1612.4-1995 Determination of moisture content in industrial grade pure terephthalic acid using Karl Fischer titration SH/T 1612.5-1995 Determination of Titanium Content in Industrial Pre-polymerized Terephthalic Acid Using Diacetyl Terephthalylamine Spectrophotometry SH/T 1612.7-1995 Determination of the Content of Formaldehyde Carboxylic Acid and p-Methylbenzoic Acid in Industrial PAAT by High-Performance Liquid Chromatography (HPLC) Method SH/T 1612.8-2005 Purified terephthalic acid for industrial use-Determination of partical size distribution-Laser diffraction method SH/T 1687-2000 Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)