硫酸奎宁,6119-70-6,Quinine sulfate dihydrate 98%: 外观Appearance 白色或类白色粉末或针状结晶 红外光谱鉴别Infrared spectrometry 符合 纯度Purity ≥98.0% (HPLC) 硫酸盐灰分Sulfated ash <0.1 % 比旋光度Specific rotation [a]20/D -235° ~ -245°(c=2, 0.1 M HCl) 干燥损失Loss on drying 3 % ~ 5 % (105°C) 品级Grade 生物试剂级 (suitable for fluorescence) 外观Appearance 白色至米黄色粉末 红外光谱鉴别Infrared spectrometry 和对照匹配 纯度Purity ≥99.0% (HPLC) 熔点Melting point 220°C(dec.) 比旋光度Specific rotation [a]20/D -225.0°~ -235.0°(C=2%, 0.1 M HCl) 二氢奎宁硫酸盐dihydroquinine sulfate ≤10% (HPLC) 荧光波长fluorescence λex 347 nm; λem 448 nm in 0.5 M sulfuric acid 荧光试验分析suitability suitable for fluorescence |