| 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,%
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
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