项目 分析纯
(AR)
纯度Purity ≥99.0% (GC)
酸值Acid value,mgKOH/g 385-390
碘值Iodine value <0.5 g I2/100 g
熔点Melting point 14-17°C
皂化值Saponification value,mgKOH/g 385-392
水分Water ≤0.2%
未皂化值unsap.matter ≤1.0%
色泽Colour(Lovibond 5%): R ≤0.2
Y ≤1
项目 化学纯
(CP)
含量Assay ≥98.0%
结晶点Freeging point,℃ ≥9.0
相对密度Specific gravity (20/20°C) 0.905~0.915
折光率Refractive index n20/D 1.427~1.429
灼烧残渣Residue ignition ≤0.05%
≥98%, FG:
grade FG Halal Kosher NI
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥98.0%
折光率Refractive index n20/D 1.4260- 1.4300
酸值Acid Value ≤2.00
砷Arsenic (As) ≤3 ppm
镉Cadmium (Cd) ≤1 ppm
汞Mercury (Hg) ≤1 ppm
铅Lead (Pb) ≤10 ppm
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