品名 | 规格 | 包装 | 单价 | 货期 |
百里香酚蓝 | ACS reagent, 95% | 25g | 418元 | 咨询客服 |
百里香酚蓝 | ACS reagent, 95% | 5g | 110元 | 咨询客服 |
百里香酚蓝 | IND | 25g | 88元 | 咨询客服 |
质量吸收系数Mass absorptivity,L/(cm.g) ≥71.0
乙醇溶液试验Solubility in ethanol 合格
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.3
品级Grade ACS级
(ACS reagent, 95 %)
外观Appearance 暗绿色至棕色、红棕色粉末
红外光谱鉴别Infrared spectrometry Conforms
染料含量Dye content, 95%
纯度Purity 221-224 °C
Wavelength 595 - 599 nm
消光系数Extinction Coefficient ≥30000
Wavelength 378 - 382 nm
消光系数Extinction Coefficient ≥8000
Wavelength 298 - 302 nm
消光系数Extinction Coefficient ≥12000
c = 0.01g/l, 0.1N NaOH
变色域visual transition interval:
acid range: pH 1.2 (red) to pH 2.8 (yellow)
alkaline range: pH 8.0 (yellow) to pH 9.2 (blue)
沪公网安备 31012002003055号 |