项目Item 化学纯
(CP)
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.01
铁(Fe)Iron,% ≤0.001
酸溶解试验Solubility in alcohol 合格
熔点范围Melting point,℃ 47.0~51.5(2)
羟基值Hydroxy value,mg/g 210~232
皂化值Saponification,mg/g ≤1.0
酸值Acid value,mg/g ≤0.5
碘值Iodine value,g/100g ≤1.0
98%:
外观Appearance 白色薄片
红外光谱鉴别Infrared spectrometry 符合
碳链分布:
纯度Purity(C16) ≥98.0% (GC)
C18 0-1%
C14 0-1%
烷烃%Alkyl-hydrocarbon ≤0.5%
熔点Melting point 49°C - 51.8°C
≥99%, FCC:
外观Appearance White Solid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥99.00 %
熔点Melting point 50.0 - 55.0 °C
水溶解试验solubility in water Clear Colorless
砷Arsenic (As) ≤3 ppm
镉Cadmium (Cd) ≤1 ppm
汞Mercury (Hg) ≤1 ppm
铅Lead (Pb) ≤10 ppm
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