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(PDF) Mild steam explosion and chemical pre-treatment of .

extraction liquors were neutralized to pH 7 a nd were put in a rotary evaporator (water bath at 60 °C, vacuum pump) and then freeze-dried (FreeZone, Triad TM, Freeze Dry System, Labconco Corp .

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The extracts were filtered and concentrated using rotary evaporator. The authentic standard camptothecin (1 mg/mL) and the sample extracts (20 mg/mL) were prepared in HPLC grade methanol, filtered through 0.25 μm membrane filters (Millipore, Bedford, USA) and subjected to HPLC analysis.

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Lab-scale Rotary Evaporator

Lab-scale Rotary Evaporator 1L/2L Lab-scale rotary evaporator suitable for the experiment of evaporation, distillation or separation of chemicals. This small rotary evaporator usually works with water circulating vacuum pump and recirculating chiller as a whole system to meet the production and experimental conditions.

Rotary Evaporators - Lab Society

What are rotary evaporators? A rotary evaporator (or rotavap or rotovap) uses precise engineering to effectively remove solvents from a sample using evaporation. Most rotovaps make use of a vacuum and pressure control monitor to precisely control pressure within your system, increasing evaporation efficiency.. In many commercial labs, these machines need to be running around-the-clock without .

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The crude ethanolic extract was filtered and the solvent evaporated under reduced pressure at 40 ± 5 °C using a rotary evaporator (Heidolph VV 2000, Heidolph, Kelheim, Germany). Tubers of D. dubium were washed, peeled and crushed in a minimum amount of water, then lyophilized (FreeZone® Dry 2.5, Labconco, Kansas, MO, USA). The powder .

Selective water sorbent for solid sorption chiller .

Restuccia et al. [8] reported an experimental and numerical study of a lab-scale adsorption chiller using the macroporous silica gel impregnated with CaCl 2 as the adsorbent. At a 90-95°C heat .

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Mar 12, 2018 · Fractions containing orysatinol were dried in a rotary evaporator and further purified by reverse‐phase high‐performance liquid chromatography (HPLC) on an Agilent 1200 series liquid chromatograph (Santa Clara, CA, USA) equipped with a semi‐preparative column (Eclipse XDB‐C18, 5 μm, 9.4 mm × 250 mm, Santa Clara, CA, USA) using a .

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Laboratory scale hybrid wiped film evaporator unit is designed for small scale investigation runs. Units are available in glass or metal alloy materials of construction: R-187 Buchi Evaporator: Surplus Equipment: R-187 ROTAVAPOR: he Rotavapor is essentially a distillation unit incorporating a rotating evaporation flask.

Metabolic and transcriptional analyses in response to .

The extracts were filtered and concentrated using rotary evaporator. The authentic standard camptothecin (1 mg/mL) and the sample extracts (20 mg/mL) were prepared in HPLC grade methanol, filtered through 0.25 μm membrane filters (Millipore, Bedford, USA) and subjected to HPLC analysis.

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Standard Operating Procedure - Rotary Evaporator

Rotary Evaporator in the P.O.W.E.R. Laboratory Elliot Sepos, April 2012 Description of Process Some chemical procedures require a quick and effective separation of substances through evaporation. The Rotary Evaporator is a tool which puts the separable substance under vacuum and heats evenly through a spinning motion, causing one component to .

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