項目 生化試劑級
(Biochemical grade)
外觀Appearance colorless to light yellow liquid
紅外光譜鑒別Infrared spectrometry Conforms to Structure
過氧化物Peroxides 無
水溶解試驗solubility in water Clear, 1 ml plus 10 ml of water
ph test (5% solution),25℃ 6.0-8.0
重金屬Heavy metals: ≤0.0005 %
水分Water: ≤1 %
氯離子Chloride: ≤0.005 %
硫酸根離子Sulfate: ≤0.005 %
霧點Cloud point 63 - 69 °C (1% in water)
粘度viscosity 243 - 291 cps (Brookfield)
aggregation number 100-155
CMC 0.2-0.9 mM(20-25°C)
pour point ~7 °C
HLB 13.5
品級Grade 電泳專用
(for electrophoresis)
外觀Appearance 無色至微黃色液體
紅外光譜鑒別Infrared spectrometry Conforms to Structure
水溶解試驗solubility in water Clear to Slightly Hazy ,c = 1ml/10ml; Water
霧點Cloud Point 63.0 - 69.0 °C , 1% in Water
密度Density 1.058 - 1.065 g/ml
電泳實驗Electrophoresis Test Pass
聚合系數aggregation number 100-155
色度color ≤100(APHA)
濁度turbidity ≤5.0 NTU
CMC 0.2-0.9 mM(20-25°C)
transition temp cloud point 65 °C
pour point ~7 °C
HLB 13.5