品名 | 規(guī)格 | 包裝 | 單價(jià) | 貨期 |
百里香酚藍(lán) | ACS reagent, 95% | 25g | 418元 | 咨詢客服 |
百里香酚藍(lán) | ACS reagent, 95% | 5g | 110元 | 咨詢客服 |
百里香酚藍(lán) | IND | 25g | 88元 | 咨詢客服 |
質(zhì)量吸收系數(shù)Mass absorptivity,L/(cm.g) ≥71.0
乙醇溶液試驗(yàn)Solubility in ethanol 合格
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤0.3
品級Grade ACS級
(ACS reagent, 95 %)
外觀Appearance 暗綠色至棕色、紅棕色粉末
紅外光譜鑒別Infrared spectrometry Conforms
染料含量Dye content, 95%
純度Purity 221-224 °C
Wavelength 595 - 599 nm
消光系數(shù)Extinction Coefficient ≥30000
Wavelength 378 - 382 nm
消光系數(shù)Extinction Coefficient ≥8000
Wavelength 298 - 302 nm
消光系數(shù)Extinction Coefficient ≥12000
c = 0.01g/l, 0.1N NaOH
變色域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)
![]() |