质量标准: | Q/(HG)SJ 421-91 项目Item 分析纯 化学纯 优级纯 (AR) (CP) (GR) 含量(C6H15N)Assay,% ≥99.0 98.0 99.5 密度(20℃)Density,g/mL 0.7260-0.7290 0.7260-0.7320 0.7260-0.7280 乙醇溶解试验Solubility in ethanol 合格 合格 合格 不挥发物Novolative,% 0.01 0.01 0.005 氨(NH3)Ammonia 合格 合格 合格 水份(H2O)Water,% ≤0.2 0.3 0.1 一乙胺及二乙胺(以二乙胺计) ≤0.3 0.5 0.2 Ethylaminl and diethylamine,% 三乙胺,121-44-8,Triethylamine 品级Grade 色谱纯 (HPLC) 外观Appearance 无色液体 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity ≥99.5% (GC) 相对密度Specific gravity (20/20°C) 0.7260 - 0.7300 折光率Refractive index n20/D 1.3990 - 1.4010 水分Water <0.06 % (K.F.) RP gradient test pass test UV Absorbance (0.1%, water, 254 nm) 0.10AU max UV Absorbance (0.1%, water, 280 nm) 0.04AU max UV Absorbance (0.1%, water, 300 nm) 0.02AU max 品级Grade 用于氨基酸序列分析 (for amino acid analysis) 外观Appearance 白色至米黄色粉末 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity ≥99.5% (GC) 相对密度Specific gravity (20/20°C) 0.7260 - 0.7300 折光率Refractive index n20/D 1.3990 - 1.4010 水分water ≤0.1% RP-HPLC test pass test 品级Grade LC-MS淋洗剂 (eluent additive for LC-MS, ≥99.5% (GC)) 外观Appearance 白色至米黄色粉末 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity ≥99.5% (GC) 相对密度Specific gravity (20/20°C) 0.7260 - 0.7300 折光率Refractive index n20/D 1.3990 - 1.4010 水分water ≤0.1% 不溶物insoluble matter, passes filter test 水分water ≤0.1% 蒸发残渣evaporation residue ≤0.003% cation traces: Al: ≤0.2 ppm Ba: ≤0.1 ppm Bi: ≤0.1 ppm Ca: ≤0.5 ppm Cd: ≤0.05 ppm Co: ≤0.02 ppm Cr: ≤0.02 ppm Cu: ≤0.02 ppm Fe: ≤0.1 ppm K: ≤0.5 ppm Li: ≤0.1 ppm Mg: ≤0.1 ppm Mn: ≤0.02% Mo: ≤0.02 ppm Na: ≤0.5 ppm Ni: ≤0.02 ppm Pb: ≤0.1 ppm Sr: ≤0.1 ppm Zn: ≤0.1 ppm abs. absorption/278 nm cut-off suitability complies for LC-MS |