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Rotary Evaporator Overview - Lab Instrument Manufacturer
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Rotary Evaporator Overview - Lab Instrument Manufacturer
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Rotary Evaporator Overview - Lab Instrument Manufacturer
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Description. The apparatus is used for the recovery of soluble bitumen from bituminous pavement materials in a form suitable for further testing. During operation, the solution of solvent and asphalt (bitumen) from a prior extraction is distilled by partially immersing the rotating distillation flask of the rotary evaporator apparatus, in a heating oil bath while the solution is …
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Rotary Evaporator For Asphalt Standard Practice for Recovery of Asphalt from Solution ... 1.1 This practice is intended to be used to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt properties during the recovery process are minimized. 1.2 Units—The values stated in SI units are to be regarded as standard.
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Fig. 6 shows the all recovery system in the Missouri S&T asphalt laboratory fume hood. Attached: the spreadsheet associated with the extraction and …
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RECOVERY OF ASPHALT FROM SOLUTION BY ABSON OR ROTARY EVAPORATOR LS-284 R33 Page 4 of 9 4.1.12 Add the required quantity of trichloroethylene to the mix (Note 5). Allow to soak for 5 minutes and repeat section 4.1.8 to 4.1.10.....
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Jul 08, 2021 · To do so, pour the sample into a round bottom flask. This flask should then connect to the evaporator’s bump trap using a Keck clip. Then, fill the rotary evaporator’s cold traps with dry ice. After doing so, attach the flask and bump trap to the adapter portion of the rotary evaporator and secure it with a Keck clip.
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• ASTM D5404: “Recovery of Asphalt from Solution Using the Rotary Evaporator” – Solution from extraction is distilled by partially immersing the rotating distillation flask of the rotary evaporator in a heated oil bath while the solution is subjected to a partial vacuum and a flow of nitrogen or carbon dioxide (CO 2) gas – The recovered asphalt can be subjected to testing …
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Asphalt Recovery Water Content Rotary Evaporation Apparatus Purchase Qty. / FOB Price: Get Latest Price . US$ 300-700 / Piece Min. Order: 1 Piece
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Recovery of Asphalt from Solution Using the Rotary Evaporator 1 This standard is issued under the ®xed designation D 5404; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
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1. Scope 1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that c. 3、hanges in the asphalt properties during the recovery process are mini- mized. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard.
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During operation, the solution of solvent and asphalt (bitumen) from a prior extraction is distilled by partially immersing the rotating distillation flask of the rotary evaporator apparatus, in a heating oil bath while the solution is subjected to high vacuum with fine regulation of pressure (up to ±0.1 kPa) according to EN 12697-3 or to ...
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Download scientific diagram | Asphalt Binder Recovery System Utilizing the Rotary Evaporator from publication: SUMMARY OF ASPHALT BINDER EXTRACTION AND RECOVERY PROCEDURES | This work is a part of ...
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The test is performed by distilling the residue of the solution of solvent and asphalt. The rotating distillation flask is partially immersed in a heated oil bath, and the solution is subjected to high vacuum, with fine regulation of pressure …
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During operation, the solution of solvent and asphalt (bitumen) from a prior extraction is distilled by partially immersing the rotating distillation flask of the rotary evaporator apparatus, in a heating oil bath while the solution is …
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In close cooperation with users, we developed the Hei-VAP series of rotary evaporators with an emphasis on the essentials: well thought-out details with a focus on features and functions to facilitate everyday laboratory work. …
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Rotary Evaporator for Binder Recovery 75-PV1650 The apparatus is used for the recovery of soluble bitumen from bituminous pavement materials in a form suitable for further testing. During operation, the solution of solvent and asphalt (bitumen) from a prior extraction is distilled by partially immersing the rotating
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1. Scope 1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that c. 3、hanges in the asphalt properties during the recovery process are mini- mized. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard.
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A rotary evaporator, or rotavap, is a piece of equipment that efficiently and gently removes volatile solvents from your product through evaporation. The main components of a rotavap are: An evaporation flask, which contains the sample material. A motor that rotates the flask. A vacuum-sealed vapor pathway, which draws vapor off the sample.
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NOTE 9—Be cautious to not let the asphalt solution go below 200 mL until all the solution has been introduced to the rotary evaporator. This could cause overheating and premature aging of the asphalt if the volume falls below 200 mL. 10.1.5 Remove the recovered solvent in the recovery flask when needed to prevent overfill solvent into the ...
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1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt properties during the recovery process are mini-mized. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.
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1.1 This practice is intended to be used to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt properties during the recovery process are minimized. 1.2 Units— The values stated in SI units are to be regarded as standard.
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For recovery of polymer modified bitumens, the rotary evaporator procedure is recommended. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references,
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Basic Structure of rotary evaporator. 1.A motor unit that rotates the evaporation flask or vial containing the user’s sample. 2.A vapor duct that is the axis for sample rotation, and is a vacuum-tight conduit for the vapor being drawn off the sample. 3.A vacuum system, to substantially reduce the pressure within the evaporator system.
Get Price![Rotary Evaporators & Rotovaps [New Guide in 2022] - Lab …](/static/images/rotary-evaporator/16.jpg)
Jan 01, 2011 · 1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt properties during the recovery process are minimized. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard.
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Sep 13, 2021 · Our EcoChyll X7 is a high-speed evaporator that facilitates fast, continuous cooling for rapid and efficient recovery. This 50 l rotary evaporator utilizes Ecodyst’s patented intelligent direct self-cooling condensers with minimal manpower required for every evaporation. Ecodyst’s industrial-scale 50 l rotary evaporator is a turn-key ...
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Fig. 6 shows the all recovery system in the Missouri S&T asphalt laboratory fume hood. Attached: the spreadsheet associated with the extraction and …
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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 ...
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VEVOR 20L Rotary Evaporator 0-120rpm Rotary Evaporator Set Digital Dispaly High Speed Rotary Evaporator with Hand Lift 0-200°C for Concentration and Crystallizat. ... StonyLab Borosilicate Glass 50mL Heavy Wall Single Neck Recovery Flask Rotary Evaporator Flask, with 24/40 Outer Joint - 50mL. 4.2 out of 5 stars 31. $16.59 $ 16. 59. Get it as ...
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Jul 21, 2017 · A rotary evaporator or rotovap is an essential tool in a processing facility. Its primary use is in the recovery of ethanol after a winterization or extraction process. Although we’ll be focusing on how a rotovap operates during a basic ethanol recovery, know that it can be applied in the recovery of many other solvents that are compatible ...
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Basic Structure of rotary evaporator. 1.A motor unit that rotates the evaporation flask or vial containing the user’s sample. 2.A vapor duct that is the axis for sample rotation, and is a vacuum-tight conduit for the vapor being drawn off …
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Manufacturer: Buchi. Buchi ROTOVAPOR R-220 Buchi Rotovapor R-220 Rotary Evaporator 0322-206-0034. $14,999. Euclid, OH, USA.
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1. Scope 1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that c. 3、hanges in the asphalt properties during the recovery process are mini- mized. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard.
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Jan 01, 2014 · ASTM D7906, 2014 Edition, January 1, 2014 - Standard Practice for Recovery of Asphalt from Solution Using Toluene and the Rotary Evaporator This practice is intended to be used to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt properties during the recovery process are minimized.
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Asphalt binder extraction and recovery are common laboratory procedures used to provide material for research and quality assurance testing. The most common methods of recovery performed today include the Abson method and the rotary evaporator (or Rotavap) method. The purpose of this study was to compare the Rotavap method proposed for use at the
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ASTM D5404/D5404M-12 Standard Practice for Recovery of Asphalt from Solution Using the Rotary Evaporator. 1.1 This practice is intended to recover asphalt from a solvent using the rotary evaporator to ensure that changes in the asphalt …
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In close cooperation with users, we developed the Hei-VAP series of rotary evaporators with an emphasis on the essentials: well thought-out details with a focus on features and functions to facilitate everyday laboratory work. Versatile combinations with glassware and extensive accessories offer the right configuration for every application.
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ZZKD is professional rotary evaporator manufacturer and provide 2L 5L 10L 20L 50L rotary evaporator with supporting equipment. +86 15036470528; [email protected]; No. 52, Hongsong Road, Zhengzhou, Henan, China ... Solvent recovery machine; Hot Products. Rotary Evaporator Glass Reactor Vacuum Drying Oven Stainless Steel Reactor Spray ...
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