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1057341468鐵蟲 (初入文壇)
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[求助]
跪求,急急急
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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). |
鐵蟲 (小有名氣)
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處理過的PAL樣品對MB溶液的吸附性能已測試。實(shí)驗(yàn)條件:將研磨后的PAL樣品0.025g與50ml,500mg/L的MB溶液(PH=7.0)混合加入長頸瓶中,并在恒溫振蕩器(THZ-98)中恒溫30°C,轉(zhuǎn)速120rmp條件下振蕩660分鐘以達(dá)到吸附平衡。Specord 200紫外/可見分光光度計(jì)(德國)測量MB在其最大波長(670nm)處的吸收,進(jìn)而確定吸附后殘余的MB溶液濃度。 附:PAL:L-苯丙氨酸解氨酶 MB:3,3,5,5-四甲基聯(lián)苯胺溶液 僅供參考 |

鐵蟲 (初入文壇)
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