色谱环己烷
型号:null    产品货号: 99292
价格:请致电:010-57128832,18610462672
品牌: 美国jtbaker

Ultraviolet Absorbance
(1.00-cm cell vs. water):  
400-254 nm max. 0.01  
240 nm max. 0.08  
230 nm max. 0.20  
220 nm max. 0.30  
UV Cut-off, nm max. 205  
Fluorescence Trace Impurities, in ppb, measured as Quinine Base:  
at 450 nm Emission max. 0.5  
at Emission Maximum for Impurities max. 1.0  
Assay (C6H12)
(by GC, corrected for water) 
min. 99.5 % 
Residue after Evaporation max. 2 ppm 
Substances Darkened by H2SO4 Passes Test 
Water (by KF, coulometric) max. 0.01 %