54324 溴百里酚蓝钠盐 ACS 25g 433
54325 溴百里酚蓝钠盐 ACS 5g 105
54326 溴百里酚蓝钠盐 AR 25g 97
溶于水。
品级Grade 分析纯 (AR) 外观Appearance orange-brown to dark green powder 红外光谱Infrared spectrometry Conforms to Structure 水溶解试验Solubility (0.1% in water) clear pH变色域Transition interval(pH) from pH 6.0 (yellow) to pH 7.6 (blue) 干燥损失Drying loss ≤7.0 % 品级Grade ACS级 (ACS reagent) 外观Appearance orange-brown to dark green powder 红外光谱Infrared spectrum Conforms to Structure Wavelength 614 - 618 nm c = 0.005 g/l; 0.1 N NAOH 消光系数Extinction Coefficient ≥35000 Wavelength 392 - 396 nm 消光系数Extinction Coefficient ≥8000 Wavelength 305 - 309 nm Extinction Coefficient ≥13000 变色域Vis. transition interval from pH 6.0 (yellow) to pH 6.7(Green)to pH 7.6 (blue) 溶液澄清度Clarity of solution Clear to Very Slightly Hazy Orange to Black