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Temperature To Remove Dicloromethane With Rotary Evaporator

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What is the best method of removing solvents like chlorofor…

What is the best method of removing solvents like chlorofor…

Rotary Evaporation to Remove Solvent | Protocol

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Temperature To Remove Dicloromethane With Rotary …

Temperature To Remove Dicloromethane With Rotary …

What is the best method of removing solvents like

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What Recommended Pressure and Temperature of …

What Recommended Pressure and Temperature of …

How to use a Rotary Evaporator

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Dichloromethane Rotary Evaporator

Dichloromethane Rotary Evaporator

Rotary Evaporation to Remove Solvent | Protocol

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What is the best method of removing solvents like …

What is the best method of removing solvents like …

Buchi 20/40/60 rule for Rotary Evaporators Optimal Distillation parameters for a rotary evaporator vary according to solvent in use: 1. Set water bath temperature to 60oC – It does not need to be higher! 2. The cooling water temperature should be below 20oC. 3. Adjust the needed vacuum for a solvent boiling point of 40oC according to list below.

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How to use a Rotary Evaporator

How to use a Rotary Evaporator

Following the "rule of 20," if you are setting your bath to 40°C, you should set your vacuum such that the boiling point would be around 20°C. For methanol, the …

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What temp does solvent evaporate? - AskingLot.com

What temp does solvent evaporate? - AskingLot.com

Buchi 20/40/60 rule for Rotary Evaporators Optimal Distillation parameters for a rotary evaporator vary according to solvent in use: 1. Set water bath temperature to 60oC – It does not need to be higher! 2. The cooling water temperature should be below 20oC. 3. Adjust the needed vacuum for a solvent boiling point of 40oC according to list below.

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Buchi 20/40/60 rule for Rotary Evaporators

Buchi 20/40/60 rule for Rotary Evaporators

You should install a cold trap between the pump and the rotary evaporator. Use acetone and dry ice (solid CO2) in the dewar vessel of the cold trap. This will create a temperature around - …

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Rotary Evaporation to Remove Solvent | Organic …

Rotary Evaporation to Remove Solvent | Organic …

Apr 01, 2010 · The flask with the solution is placed on the rotary evaporator. The use of a bump trap prevents the solution from accidentally splashing into the condenser (and being contaminated). It is highly advisable to start with a clean bump bulb in case something bumps over after all! This would allow the experimenter to recover the solution or solid. 3.

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The Rotary Evaporator

The Rotary Evaporator

Mar 30, 2020 · When evaporating a volatile solvent such as methanol you will probably be removing solvent with a boiling point (at the pressure present in the chamber) of -20oC or less. Click to see full answer.

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Rotary Evaporation Of Chloroform - tageskind24.de

Rotary Evaporation Of Chloroform - tageskind24.de

Buchi 20/40/60 rule for Rotary Evaporators Optimal Distillation parameters for a rotary evaporator vary according to solvent in use: 1. Set water bath temperature to 60oC – It does not need to be higher! 2. The cooling water temperature should be below 20oC. 3. Adjust the needed vacuum for a solvent boiling point of 40oC according to list below.

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How to evaporate out water and methanol by using rotary evaporator?

How to evaporate out water and methanol by using rotary evaporator?

Rotary evaporation is a technique commonly used in organic chemistry to remove a volatile solvent from a non-volatile compound of interest. Invented by Lyman C. Craig in 1950 the rotary evaporator, or rotovap, gently removes solvents from compounds using heat combined with reduced pressure to evaporate, dry, and purify samples for further ...

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How does a rotary evaporator remove solvent? - Lab …

How does a rotary evaporator remove solvent? - Lab …

decompose on prolonged heating. How the rotary evaporator works is summarized below. oC CH2Cl2 CH3OH 200 400 800-60 -40 -20 0 20 40 60 80 760 Torr 41oC 65oC 0 Torr reservoir water bath pot stopcock speed control water bath temperature control to vacuum

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What is the purpose of using the rotary evaporator?

What is the purpose of using the rotary evaporator?

Buchi 20/40/60 rule for Rotary Evaporators. Buchi 20/40/60 rule for Rotary Evaporators Optimal Distillation parameters for a rotary evaporator vary according to solvent in use: 1. Set water bath temperature to 60oC – It does not need to be higher! 2. The cooling water temperature should be below 20oC. 3.

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Can Rotary Evaporator Remove Water? - WKIE LAB.com

Can Rotary Evaporator Remove Water? - WKIE LAB.com

Apr 01, 1999 · In rotary evaporator, you should maintain the temperature and vacuum according to solvent. Vitor sir is right, in general 40ºC is suitable of methanol, but when its a mixture of methanol and ...

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What is a Rotary Evaporator? - Rotovap

What is a Rotary Evaporator? - Rotovap

The rotary evaporator is the method of choice for solvent removal in the modern organic laboratory. The solvents or low boiling compounds are removed by a simple distillation. The rotovap is designed to be operated under a vacuum (to lower a compound’s boiling point) while heating the sample at the same time.

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ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY …

ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY …

A rotary evaporator (or rotavap/rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation. ... Temperature and pressure are linearly related to each other, so when that temperature is doubled on a Kelvin or absolute zero scales, it will force the temperature to double so long ...

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Improved drying method for removal of residual solvents from paclitaxel ...

Improved drying method for removal of residual solvents from paclitaxel ...

Final Thoughts. Yes, the rotary evaporator can remove water but it is dependent on the factors listed above. You have to take the time to understand how to use the machine as that is the only way to feel safe about what you are doing. Too many people assume the same settings are going to get the job done bu that is not the case.

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73 questions with answers in ROTARY EVAPORATION

73 questions with answers in ROTARY EVAPORATION

Mar 25, 2019 · A rotary evaporator (rotovap or rotavap) refers to a kind of equipment for solvent evaporation under reduced pressure, which is composed of a vacuum system, a heated water or oil bath, a condenser and a motor that rotates the evaporation flask. As its name suggests, what is special is that the evaporation flask can rotate.

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What are the different methods to remove solvent from

What are the different methods to remove solvent from

The rotary evaporator or "rotovap" is an expensive piece of apparatus that needs to be used with great care. ... Check the temperature and level of the water bath. If more water is needed, top it up with ... little ice. ORGANIC LABORATORY TECHNIQUES 8 8.2 Check the receiving flask for waste solvent - if it contains any liquid, remove it and ...

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Rotary Evaporators’ Parts and Functions - Rotovap

Rotary Evaporators’ Parts and Functions - Rotovap

Jun 01, 2015 · The dried sample was re-dissolved in 15 mL of 95% ethanol and then concentrated and dried in a rotary evaporator (CCA-1100) at 35 °C under reduced pressure. The dried sample was re-dissolved in 10 mL of water and then concentrated and dried in a rotary evaporator (CCA-1100) at 35 °C under reduced pressure. Each dried sample was dissolved in ...

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Rotary Evaporator Fact Sheet - UMass

Rotary Evaporator Fact Sheet - UMass

May 12, 2022 · Question. 5 answers. Jan 17, 2019. 200 g fresh fruit puree is extracted with 200 ml of solvent on orbital shaker then filtration and desolvinization in rotary evaporator to …

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Evaporator – Types, Diagram, Parts, Working, Application

Evaporator – Types, Diagram, Parts, Working, Application

Rota-vapor, vacuum drying and sometime freeze drying. Agreed. For effective and efficient solvent evaporation. I agree with all the answers, except …

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Ethanol Removal in Cannabis Applications | Blog

Ethanol Removal in Cannabis Applications | Blog

May 28, 2019 · A rotary evaporator (rotovap or rotavap) refers to a kind of equipment for solvent evaporation under reduced pressure, which is composed of a vacuum system, a heated water or oil bath, a condenser and a motor that rotates the evaporation flask. As its name suggests, what makes it special is that the evaporation flask can rotate. Parts of a Rotary Evaporator and …

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Temperature To Remove Dichloromethane With Rotary Evaporator

Temperature To Remove Dichloromethane With Rotary Evaporator

Rotary Evaporator Fact Sheet . What are Rotary Evaporators? A rotary evaporator (also called as “rotavap” or “rotovap”) is a device used in labs for the efficient and gentle removal of solvents from samples by evaporation. The picture on the right shows what a typical rotary evaporator includes. What are Potential Hazards?

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Temperature To Remove Dicloromethane With Rotary Evaporator

Temperature To Remove Dicloromethane With Rotary Evaporator

The function of the evaporator is to absorb the heat from the space or surrounding medium which is to be cooled by means of refrigeration. The process of heat removal from the substance to be cooled or refrigerated is done in the evaporator. The liquid refrigerant is vaporized inside the evaporator (coil or shell) in order to remove heat from a ...

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Extraction and Evaporation - North Central College

Extraction and Evaporation - North Central College

Oct 31, 2019 · Optimal Rotovap Operating Conditions for Ethanol Removal. The recommended vapor temperature for ethanol extraction is 25–30°C. Boiling ethanol at 30°C requires a pressure of 123 mbar, and boiling at 25°C requires a pressure of 95 mbar. The 20/40/60 rule offers a general guideline for rotovap operating conditions.

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How We can Use Rotary Evaporator for Extraction? - Rotovap

How We can Use Rotary Evaporator for Extraction? - Rotovap

1.) Decant the dry dichloromethane solution into a 100 mL round bottom flask. 2.) Take the flask to the rotary evaporator to have the dichloromethane removed by evaporation. 3.) Add 1-2 mL of dichloromethane to a solution conical vial. 4.) Take the conical vial to rotary evaporator to remove remaining solvent. 5.)

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Rotary Evaporators & Rotovaps [New Guide in 2022] - Lab Society

Rotary Evaporators & Rotovaps [New Guide in 2022] - Lab Society

14.3 Rotary Evaporation Rotary evaporators, or rotovaps (Figure 14-1), are standard equipment in most organic chemistry research labs. These evaporators are designed to remove solvent rapidly from solutions without constant monitoring. The motor in the rotovap spins a round-bottom flask rapidly, coating the walls of the flask

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Standard Operating Procedure - Rotary Evaporator

Standard Operating Procedure - Rotary Evaporator

To recover the unknown solid, the dichloromethane will be evaporated under reduced pressure, using a rotovap (short for rotary evaporator). The rotovap works under reduced pressure (partial vacuum) which reduces the boiling point of the solvent. This allows the dichloromethane to "boil off" at room temperature. The importance of

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Solvent Removal - Organic Chemistry at CU Boulder

Solvent Removal - Organic Chemistry at CU Boulder

Mar 02, 2020 · The answer is “YES”. A rotary evaporator can remove solvent by evaporating samples through the continuous rotation of the evaporation flask. Meanwhile, the evaporation flask is heated uniformly by a water bath. Then the material with a lower boiling point can be evaporated quickly under negative pressure.

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What is a Rotary Evaporator? - Rotovap

What is a Rotary Evaporator? - Rotovap

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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Organic Chem Lab- Exp. 5 Flashcards - Quizlet

Organic Chem Lab- Exp. 5 Flashcards - Quizlet

the back. Use the dial on the hot bath control panel to set the temperature of the hot bath. Since water is typically present in the hot bath, the heating system will not heat above 100 degrees. 14. If you have not already turned on the rotary evaporator, press the power button on the rotary evaporator control panel. 15.

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Rotary Evaporator Oil Filter - tageskind24.de

Rotary Evaporator Oil Filter - tageskind24.de

Rotary Evaporators. Rotary evaporators, or rotovaps, are standard equipment in most organic chemistry research labs. These evaporators are designed to remove solvent rapidly from solutions. In the Organic Chemistry Teaching Labs at CU Boulder, we have 5 rotovaps on carts so that we can move them to where they are needed.

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What is a Rotary Evaporator? - Asynt

What is a Rotary Evaporator? - Asynt

Mar 25, 2019 · A rotary evaporator (rotovap or rotavap) refers to a kind of equipment for solvent evaporation under reduced pressure, which is composed of a vacuum system, a heated water or oil bath, a condenser and a motor that rotates the evaporation flask. As its name suggests, what is special is that the evaporation flask can rotate.

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Amazon.com: Lab Rotary Evaporators - Lab Rotary Evaporators …

Amazon.com: Lab Rotary Evaporators - Lab Rotary Evaporators …

1.) Decant the dry dichloromethane solution into a 100 mL round bottom flask. 2.) Take the flask to the rotary evaporator to have the dichloromethane removed by evaporation. 3.) Add 1-2 mL of dichloromethane to a solution conical vial. 4.) Take the conical vial to rotary evaporator to remove remaining solvent. 5.)

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Benchtop Rotary Evaporators - Rotovaps.net

Benchtop Rotary Evaporators - Rotovaps.net

2. #13. 2L Rotary Evaporator, Lab Manual Lifting Rotavap, Connected to Vacuum Pump and Chiller for Supporting use, 110v. 3.4 out of 5 stars. 3. #14. Across International SE13c-S2 SolventVap 5 L Rotary Evaporator with Cold Trap Condenser and Chemical Resistant Vacuum Pump, WaterVac 0.7 CFM (Pack of 2) 2.6 out of 5 stars. 3.

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Rotary evaporator - Wikipedia

Rotary evaporator - Wikipedia

Feb 14, 2022 · Rotary evaporators (rotovaps) are devices employed for removing solvents efficiently via the process of evaporation. The rotary evaporation process is one of the most widely used methods of solvent evaporation due to its optimal extraction and distillation performance. Rotary evaporators are also used for concentration, crystallization, drying ...

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Standard Operating Procedure - Rotary Evaporator

Standard Operating Procedure - Rotary Evaporator

YUCHENGTECH 5L RE-5000 Lab Rotary Evaporator Customize Evaporator Vacuum Vaporizer Evaporation Apparatus for Efficient Evaporation of Solvents with Water & Oil Heat Bath 110V $ 4,020. 00. Get it Tue, Jun 21 - Wed, Jun 29. $65.65 shipping. Yamato Scientific America 25526101 Radial Seal for RE-71 Large Scale Rotary Evaporator.

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Rotary Evaporators & Rotovaps [New Guide in 2022] - Lab …

Rotary Evaporators & Rotovaps [New Guide in 2022] - Lab …

Benchtop rotary evaporators for the efficient and gentle removal of solvents from samples in R&D and QC-scale applications. ... timer, boil dry protection, manual lift, room temp. to 180°C, up to 2L, 20 to 200rpm. $ 3,360 USD from $ 2,688 USD On sale IKA RV 3 Rotary Evaporators. Digital display for optimum control of speed and heating bath ...

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Solved ROTARY EVAPORATOR (7 points): 7. In organic 1, …

Solved ROTARY EVAPORATOR (7 points): 7. In organic 1, …

A rotary evaporator (rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation.When referenced in the chemistry research literature, description of the use of this technique and equipment may include the phrase "rotary evaporator", though use is often rather signaled by other language (e.g., "the sample …

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Advantages and Disadvantages of a Rotary Evaporator

Advantages and Disadvantages of a Rotary Evaporator

not heat above 100 degrees. (KNOW THE SET TEMPERATURE BASED ON THE BOILING POINT OF YOUR SOLVENT AT GIVEN PRESSURE) 13. If you have not already turned on the rotary evaporator, press the power button on the rotary evaporator control panel. 14. Use the dial on the rotary evaporator control panel to set the desired spin speed of the condenser. 15.

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Title: Rotary Evaporator Page 1 of 6 ROTARY …

Title: Rotary Evaporator Page 1 of 6 ROTARY …

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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Evaporation | Buchi.com

Evaporation | Buchi.com

Explain how rotary evaporators work to remove the solvent (7 points). ROTARY EVAPORATOR (5 points): 6. In organic 1, you would have evaporated the dichloromethane using a hot water bath. But, in organic 2, we have equipment called rotary evaporators that allow us to remove the solvent. ... that the liquid will boil at a lower temperature ...

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evaporator coil temperature - HVAC-Talk: Heating, Air

evaporator coil temperature - HVAC-Talk: Heating, Air

Aug 12, 2019 · Although a rotary evaporator has many advantages, there are still some disadvantages as well. They are as follows: A rotary evaporator can only process a single sample. However, a short path distillation can process several sample materials at the same time in one equipment. In the rotary evaporator equipment, the sealed equipment has a limited ...

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Tricks of the Trade for Removing High Boiling Point …

Tricks of the Trade for Removing High Boiling Point …

Rotary evaporators (also called "rotavaps" or "rotovaps") are used to remove solvents from reaction mixtures. Liquid solvents can be removed without excessive heating of the sample by lowering the pressure above a bulk liquid and thus lowering the boiling points of the component liquids in it. ... • Water bath temperature range is 25-95 ºC ...

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Novel way to remove DMSO and DMF - BioChromato

Novel way to remove DMSO and DMF - BioChromato

Evaporation. Rotary Evaporation technique & Distillation process. The distillation process is used to remove volatile solvents from liquid mixtures through vaporization and subsequent condensation. In the lab, chemists and biochemists frequently use the distillation process and the rotary evaporator. : 5 min. read time.

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Rotary Evaporator Fact Sheet - UMass

Rotary Evaporator Fact Sheet - UMass

Sep 05, 2015 · Go for a 45^F coil by converting the suction pressure to the boiling point of the specific refrigerant. The air temp off the coil will be 5-7^F warmer than the coil. Hope this helps. Regards Teddy Bear. Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.

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Rotary Evaporation - an overview | ScienceDirect Topics

Rotary Evaporation - an overview | ScienceDirect Topics

point of 18oC, making a temperature difference of 22 degrees. If we had instead had a maximum temperature of 50oC, the temperature difference would be 32 degrees, which means evaporation would proceed 45% faster. So if you want to dry the samples faster, make sure you know exactly what your maximum permissible sample temperature is.

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How Does the Rotary Evaporator Work? - Extraction …

How Does the Rotary Evaporator Work? - Extraction …

Feb 21, 2019 · Other methods to remove DMSO and DMF can prove to be time-consuming and inefficient as well. These methods include washing with water and extracting with a lower boiling point organic solvent like DCM1 and freeze drying (lyophilization) after water dilution or solid phase extraction (SPE). However, the large number of transfer steps and ...

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Rotary Evaporator (Rotovap) - Dartmouth

Rotary Evaporator (Rotovap) - Dartmouth

Rotary Evaporator Fact Sheet . What are Rotary Evaporators? A rotary evaporator (also called as “rotavap” or “rotovap”) is a device used in labs for the efficient and gentle removal of solvents from samples by evaporation. The picture on the right shows what a typical rotary evaporator includes. What are Potential Hazards?

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Rotary Evaporator : Best Ethanol Extraction Equipment for Cannabis?

Rotary Evaporator : Best Ethanol Extraction Equipment for Cannabis?

Thin films of lipids are prepared by rotary evaporation from solutions in dichloromethane (CH 2 Cl 2).The lipid film is rehydrated with an aqueous solution of the reactant and/or other additives and agitated at a temperature above T c until the film has completely detached from the flask (Fig. 12.4).This results in the separation of the lipid sheets, which close on themselves to form …

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