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北京石油化工学院2026年研究生招生接收调剂公告
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1057341468

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[求助] 跪求,急急急

The adsorption properties of treated PAL samples toward MB were
investigated. The experimental conditions were 0.025 g of grinded
PAL sample mixed with 50 mL of 500 mg/L MB solution (pH=7.0)
in 100 mL flask, and shaken on a thermostatic shaker (THZ–98)
with a constant speed of 120 rpm at 30 °C for 660 min to reach the
adsorption equilibrium. The residual concentration of MB solution
after adsorption was measured with a Specord 200 UV/visible spectrophotometer
(Germany) by monitoring the absorbance at a wavelength
of maximum absorbance (670 nm).

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xiaoyingwv

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1057341468: 金币+10, 翻译EPI+1, ★★★很有帮助 2012-10-19 12:19:56
处理过的PAL样品对MB溶液的吸附性能已测试。实验条件:将研磨后的PAL样品0.025g与50ml,500mg/L的MB溶液(PH=7.0)混合加入长颈瓶中,并在恒温振荡器(THZ-98)中恒温30°C,转速120rmp条件下振荡660分钟以达到吸附平衡。Specord 200紫外/可见分光光度计(德国)测量MB在其最大波长(670nm)处的吸收,进而确定吸附后残余的MB溶液浓度。
附:PAL:L-苯丙氨酸解氨酶  MB:3,3,5,5-四甲基联苯胺溶液   
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2楼2012-10-19 11:29:22
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1057341468

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引用回帖:
2楼: Originally posted by xiaoyingwv at 2012-10-19 11:29:22
处理过的PAL样品对MB溶液的吸附性能已测试。实验条件:将研磨后的PAL样品0.025g与50ml,500mg/L的MB溶液(PH=7.0)混合加入长颈瓶中,并在恒温振荡器(THZ-98)中恒温30°C,转速120rmp条件下振荡660分钟以达到吸附平 ...

3楼2012-10-19 12:19:49
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