Q/(HG)SJ 521-92
项目Item 化学纯 分析纯
(CP) (AR)
结晶点Freezing point,℃ ≤ 10 10
密度(20℃)Density,g/mL 0.8884~ 0.8900~
0.9084 0.9084
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.1 0.05
酸值Acid value,mg/g 190-205 195-205
碘值Lodine value,g/100g 85-95 85-95
无机酸或游离酸Inorganic acid or free acid 合格 合格
85%:
外观Appearance 无色或淡黄色液体
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity ≥85.0% (GC)
相对密度Specific gravity (20/20°C) 0.8850 - 0.9000
折光率Refractive index n20/D 1.4580 - 1.4610
品级Grade 药用级
(USP,Ph, Eur. )
脂肪酸组成composition
fatty acids w. 1 chain > C18, ≤4.0% (GC)
linoleic acid, ≤18.0% (GC)
linolenic acid, ≤4.0% (GC)
margaric acid, ≤4.0% (GC)
myristic acid, ≤5.0% (GC)
oleic acid, 65.0-88.0% (GC)
palmitic acid, ≤16.0% (GC)
palmitoleic acid, ≤8.0% (GC)
stearic acid, ≤6.0% (GC)
过氧化值peroxide value ≤10
总残留溶剂total impurities residual solvents, complies
灼烧残渣ign. residue ≤0.1%
酸值acid value 195‑204
碘值iodine value 89‑105
99%:
外观Appearance 无色或淡黄色液体
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity ≥99.0% (GC)
纯度Purity ≥99.0% (中和滴定)
相对密度Specific gravity (20/20°C) 0.8900 - 0.8940
折光率Refractive index n20/D 1.4580 - 1.4610
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