GB/T 4649-2018 Ethylene glycol for industrial use

GB/T 4649-2008 Ethylene glycol for industrial use—Specification

GB/T 2013-2010 Standard test method for density of liquid petrochemical products GB/T 4472-2011 Detemination of density and relative density for chemical products GB/T 7534-2004 Volatile organic liquids for industrial use—Determination of boiling range GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 3049-1986 Chemical products for industrial use—General method for determination of iron content—o-Phenanthroline spectrophotometric method GB/T 3049-2006 Chemical products for industrial use—General method for determination of iron content—1,10-Phenanthroline spectrophotometric method GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale) GB/T 3723-1999 Sampling of chemical products for industrial use—Safety in sampling GB/T 6283-1986 Chemical products—Determination of water—Karl fischer method (general method) GB/T 6283-2008 Chemical products—Determination of water Karl·fischer method(general method) GB/T 6324.6-1986 Organic chemical products for industrial use—Determination of content of carbonyl compounds present in small amounts—Photometric method GB/T 6324.6-2014 Test method of organic chemical products—Part 6:Determination of color for liquids—Tristimulus colorimetry GB/T 6678-2003 General principles for sampling chemical products GB/T 6680-2003 General rules for sampling liquid chemical products GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 7531-1987 Determination of ash for organic chemical products GB/T 7531-2008 Determination of ignition residue for organic chemical products GB 10479-1989 Specifications for aluminium tank cars GB/T 10479-2009 Aluminum rail tank cars GB/T 14571.1-1993 Ethylene glycol for industrial use—Determination of acidity—Titrimetric method GB/T 14571.1-2016 Test method of monoethylene glycol for industrial use—Part 1:Determination of acidity—Titration method GB/T 14571.2-1993 Monoethylene glycol for industrial use—Determination of diethylene glycol and triethylene glycol—Gas chromatographic method GB/T 14571.2-2018 Test method of ethylene glycol for industrial use—Part 2:Determination of purity and impurities—Gas chromatography GB/T 14571.3-1993 Ethylene glycol for industrial use—Determination of content of total aldehydes present—Spectrophotometric method GB/T 14571.3-2008 Ethylene glycol for industrial use—Determination of content of total aldehydes present—Spectrophotometric method GB/T 14571.3-2022 Test method of ethylene glycol for industrial use—Part 3:Determination of content of aldehydes GB/T 14571.4-2008 Ethylene glycol for industrial use—Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4:Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method GB/T 14571.5-2016 Test method of monoethylene glycol for industrial use—Part 5:Determination of chloride ion—Ion chromatography SH/T 1053-1991 The determination of boiling point range of industrial diethylene glycol SH/T 1055-1991 Determination of water content in industrial diethylene glycol - Microcoulometric titration method