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6 Operation

36

R II Operation Manual, Version E

3/4

Fig. 6.3: Optimal condensation area of a condenser

6 .6

When the distillation “dies out”

When the distillation “dies out”, replace the receiving flask to eliminate the risk of back evapo ration.
Then, continue distillation. Repeat this process until all desired solvent is distilled off.
At the end of the distillation, stop the rotation, pull the flask off and aerate the system.
If you do not intend to immediately perform another distillation, turn off the heating bath and cooling
water supply to save energy and resources.

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Содержание Rotavapor R II

Страница 1: ...Operation Manual Rotavapor R II 093102 en...

Страница 2: ......

Страница 3: ...ns into other languages Other language versions can be downloaded at www buchi com Table of contents 1 About this manual 5 1 1 Reference documents 5 1 2 Trademarks 5 1 3 Abbreviations 5 2 Safety 7 2 1...

Страница 4: ...tion conditions 34 6 4 Distilling 35 6 5 Optimizing the distillation conditions 35 6 6 When the distillation dies out 36 7 Maintenance 37 7 1 Housing 37 7 2 Tube connections 37 7 3 Sealing system 37 7...

Страница 5: ...uum Controller Operating Manual numbers 093081 093085 Vacuum Pump Operating Manual numbers 093090 093094 1 2 Trademarks The following product names and any registered and unregistered trademarks menti...

Страница 6: ...1 About this manual 6 R II Operation Manual Version E...

Страница 7: ...ivities associated with evaporation of solvents It is used for Distilling solvents Vaporizing of solvents Recrystallization Synthesis and cleaning of chemicals Soxhlet extractions Drying powders by me...

Страница 8: ...lessly or improperly The manufacturer has determined residual dangers emanating from the instrument if the instrument is operated by insufficiently trained personnel if the instrument is not operated...

Страница 9: ...metal thermostat that in case of over temperature over 260 C directly interrupts the power supply It has to be set back manually after the bath has cooled down see also chapter 8 The electronic over t...

Страница 10: ...ration of the instrument Legal regulations such as local state and federal laws applying to the instrument must be strictly followed Duty of maintenance and care The operator is responsible for ensuri...

Страница 11: ...rements and performance data 3 1 Scope of delivery Check the scope of delivery according to the order number NOTE For detailed information on the listed products see www buchi com or contact your loca...

Страница 12: ...r 2 4 x x A x Glass assembly A Diagonal condenser Can be used where height is limited For standard distillations With optional tap for continuous feeding Order number 2 4 x x V x Glass assembly V Vert...

Страница 13: ...oints With optional tap for continuous feeding No cooling water necessary NOTE The condenser mounting 040607 and 040608 in combination with glass assembly A is not included in the basic instrument Ord...

Страница 14: ...r PNE 2 5 m 010010 Type Schuko 010016 Type GB 017835 Type AUS 017836 Type USA 010020 4 cable binders Operation Manual English 093102 German 093103 French 093104 Italian 093105 Spanish 093106 3 1 3 Opt...

Страница 15: ...manual vacuum control including support for R 210 R 215 V 700 V 710 and V 850 V 855 047291 B CHI Recirculating Chiller F 1XX 230 V F 100 Model 500 Watt fix at 10 C 11056460 F 105 Model 500 Watt contro...

Страница 16: ...eration Manual Version E Table 3 2 Optional accessories cont Product Order number Heating bath R II complete 230 V 50 60 Hz 048199 Heating bath R II complete 100 120 V 50 60 Hz 048198 Protective shiel...

Страница 17: ...e 20 280 rpm Flask size 50 4000 mL up to 4000 mL Max flask content 3 kg Temperature control range 20 C 95 C Display Scale 0 10 Scale 0 100 C heating on off Temperature accuracy 5 C Environmental condi...

Страница 18: ...Rotavapor Aluminium Guides lift Hardened steel stainless steel Casting components PBT partially glass reinforced Housing bath PBT partially glass reinforced Bath Stainless steel Protective ring PBT pa...

Страница 19: ...7 NO 73 1 153 0 949 11 Acetic acid C2 H4 O2 60 0 695 118 1 049 44 Ethanol C2 H6 O 46 0 879 79 0 789 175 Ethylacetate C4 H8 O2 88 1 394 77 0 900 240 Heptane C7 H16 100 2 373 98 0 684 120 Hexane C6 H14...

Страница 20: ...3 Technical data 20 R II Operation Manual Version E...

Страница 21: ...l principle of a Rotavapor With a Rotavapor single step distillations are performed quickly and in a product friendly manner The basis of this procedure is the evaporation and condensation of solvents...

Страница 22: ...apor duct transports the vapor from the evaporation area to the cooling area c Cooling area The solvent vapor flows very quickly into the condenser Here the energy in the solvent vapor is transferred...

Страница 23: ...n speed c Combi Clip for easy flask vapor duct removal d Lock button to block the drive unit e Heating bath handle f Heating LED g Adjusting knob for heating bath temperature h Mains switch for heatin...

Страница 24: ...supply of Rotavapor b Power supply of heating bath Fig 4 3 Rear connections of the Rotavapor 4 2 Quick action jack 1 With the quick action jack the evaporating flask can be lowered into and raised fr...

Страница 25: ...pending on the direction the patented Combi Clip is turned it performs the following functions Handling the evaporating flask Release the evaporating flask by turning the clip counterclockwise NOTE Se...

Страница 26: ...plosion of the evaporating flask Fig 4 7 Protective shield 4 6 Woulff bottle The Woulff bottle serves as safety vessel between the Rotavapor and the vacuum pump In case of an impure distillation the c...

Страница 27: ...ective shield optional accessory and lead the exhaust gas from the pump into the fume hood 5 2 Electrical connections ATTENTION Make sure that the voltage on the socket corresponds to the voltage give...

Страница 28: ...power plug is connected and the mains switch is turned on the bath starts heating if the actual temperature is below the set temperature For this reason make sure that there is always heating medium...

Страница 29: ...onto the vapor duct Fig 5 3 Exploded view of condenser and seals 5 6 Mounting the support rod optional accessory The support rod with bracket and plastic clip is used with the glass assemblies V C S B...

Страница 30: ...to valve unit or Woulff bottle b Cooling water connections Fig 5 5 Tubing scheme 5 7 2 Cooling water tubes When connecting the cooling water tubes white consider the following Use tube connections GL...

Страница 31: ...scribed steps for putting the instrument into operation are finished NOTE The functional test can only be carried out with a vacuum controller installed or when you have a pressure measuring device ma...

Страница 32: ...5 Putting into operation 32 R II Operation Manual Version E...

Страница 33: ...can overflow from the bath when the evaporating flask is submerged Install the protective shield optional accessory only to a cold heating bath 6 2 Immersion angle of the evaporating flask into the he...

Страница 34: ...than 20 C Allow cooling water to flow through the condenser at approximately 40 50 L h Define the operating vacuum in such a way that the boiling point of the solvent is 40 C The corresponding pressur...

Страница 35: ...right Otherwise the instrument will not start operating Use the quick action jack to submerge the flask into the bath After the set vacuum has been reached wait for about 1 2 minutes to see whether di...

Страница 36: ...eiving flask to eliminate the risk of back evapo ration Then continue distillation Repeat this process until all desired solvent is distilled off At the end of the distillation stop the rotation pull...

Страница 37: ...r maintenance and repair to assure good system performance and reliability Any modifications to the spare parts used are only allowed with the prior written permission of the manufacturer 7 1 Housing...

Страница 38: ...empty it In the case of minor calcifications use a non abrasive cleaning agent e g a bathroom cleaner If the calcification is persistent use e g acetic acid to remove it Rinse the bath thoroughly aft...

Страница 39: ...ed to power supply Check if mains connection is okay Fuse defective Replace the fuse If the malfunction occurs again contact the BUCHI customer service Bath does not heat Mains switch off Switch on ma...

Страница 40: ...p is too low Open water tap completely Distillation died out Manually decrease the pressure until the distillation starts again Distillation stopped although not dried out completely Back evaporation...

Страница 41: ...cal training and knowledge of possible dangers which might arise from the instrument Addresses of official BUCHI customer service offices are given on the BUCHI website under www buchi com If malfunct...

Страница 42: ...8 Troubleshooting 42 R II Operation Manual Version E...

Страница 43: ...NING Electrical hazard Always remove the plug connector at the socket first to avoid having energized cables lying about 9 2 Disposal To dispose of the instrument in an environmentally friendly manner...

Страница 44: ...correctly and in detail 1 Product Model 2 Serial No 3 List of substances in contact with the equipment or reaction products 3 1 Chemical substance name chemical symbol a b c d 3 2 Important informati...

Страница 45: ...r the spare parts from BUCHI Always state the product designation and the part number when ordering spare parts Use only genuine BUCHI consumables and genuine spare parts for maintenance and repair to...

Страница 46: ...G with 1 L coated receiving flask without seal and vapor duct 048171 PTFE drain disk 040625 Diagonal condenser A 05 R II 047979 PTFE feed tap for R II 048100 Set of tube connections GL 14 4 bent 2 st...

Страница 47: ...Gasket WD26 seal 048021 Glass assembly R II V complete with 1 L receiving flask P G without seal and vapor duct 048173 PTFE hose 600 mm 028096 Diagonal condenser R II V 023875 023900 Hose clips GL 14...

Страница 48: ...i Clip 040621 Set of hose connections bent GL 14 4 pieces 4 olive bent with screw caps 037287 10 3 Glass assembly C Fig 10 3 Glass assembly C TABLE 10 3 GLASS ASSEMBLIES C Product Order number Product...

Страница 49: ...95 Seal PTFE Viton complete 027462 PTFE tube 600 mm 028096 PTFE drain disk 040625 Tube connection GL 14 bent complete set of 4 037287 Set of tube connections straight GL 14 4 pieces 4 olive straight w...

Страница 50: ...ear shaped P G Content SJ 29 32 SJ 24 40 SJ 29 42 50 mL 033405 100 mL 033404 250 mL 025520 500 mL 025322 025261 1000 mL 020729 020730 025517 2000 mL 025323 025262 3000 mL 025324 025263 027346 4000 mL...

Страница 51: ...ble 10 12 Receiving flask pear shaped Content uncoated P G P G low temperature 50 mL 000421 100 mL 000422 250 mL 000423 500 mL 000424 025264 040774 1000 mL 000425 020728 040775 2000 mL 000426 025265 0...

Страница 52: ...ltaneous distillation from a 20 mL cylinder flask Table 10 14 Distillation spider 20 mL Number of flasks Order number 6 SJ 14 5 23 001334 12 SJ 14 5 23 001335 20 SJ 14 5 23 001336 20 mL evaporating fl...

Страница 53: ...umber Top cover B 491 048230 Table 10 19 Water control valve Product Order number Water control valve 011606 1 2 3 Table 10 20 Tubes Product Order number Vacuum tube 16 6 mm a 017622 Cooling water tub...

Страница 54: ...10 Spare parts 54 R II Operation Manual Version E...

Страница 55: ...use harmful interference in which case the user will be required to correct the interference at his own expense Fran ais Cet appareil a t test et s est av r conforme aux limites pr vues pour les appar...

Страница 56: ...11 Declarations and requirements 56 R II Operation Manual Version E 11 2 Declaration of conformity...

Страница 57: ......

Страница 58: ...B CHI Labortechnik AG CH 9230 Flawil 1 Switzerland T 41 71 394 63 63 F 41 71 394 65 65 093102 www buchi com Quality in your hands...

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