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K-350 Distillation Unit

Operation Manual

093031G en

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Summary of Contents for K-350

Page 1: ...K 350 Distillation Unit Operation Manual 093031G en...

Page 2: ...es the right to make changes to the manual as deemed necessary in the light of experience espe cially in respect to structure illustrations and technical detail This manual is copyright Information fr...

Page 3: ...2 Electrical connections 19 5 3 Reagent and water connections 20 5 3 1 Cooling water connection 20 5 3 2 Drainage of cooling water 21 5 3 3 Storage tank connection 21 Read this manual carefully befor...

Page 4: ...g the instrument for a standstill overnight 26 7 2 Weekly maintenance 26 7 2 1 Cleaning the splash protector and the rubber bung seal 26 7 3 Monthly maintenance 26 7 3 1 Checking the distillate amount...

Page 5: ...peration and to maintain it in good working order It is addressed to laboratory personnel in particular NOTE The symbols pertaining to safety WARNINGS and ATTENTIONS are explained in chapter 2 1 1 Abb...

Page 6: ...erience have an overview of the dangers which can develop when operating the instrument Personnel without this training or persons who are currently being trained require careful instruction The prese...

Page 7: ...the instrument is used carelessly or improperly The manufacturer has determined residual dangers emanating from the instrument if the instrument is operated by insufficiently trained personnel if the...

Page 8: ...king in its immediate proximity 2 5 4 Safety elements The instrument is provided with the following safety elements Protective door Safety appliance to protect users from burns at the splash protector...

Page 9: ...proper condition only and that maintenance service and repair jobs are performed with care and on schedule and by autho rized personnel only Spare parts to be used Use only genuine consumables and ge...

Page 10: ...livery 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 local dealer 3 1 1 Standard instrument Table 3 1...

Page 11: ...b 1 pair of glass tongs 02004 3 4 5 6 7 8 c 1 cooling water hose complete G L 1 5 m 37780 d 1 hose chemical supply solaflex L 3 5 10 5 mm 43555 e 1 hose cooling water drain silicone L 1 5 m 43940 f 1...

Page 12: ...0 Product Order number a 1 sample tube 500 mL 26128 b 1 sample tube set of 4 300 mL 37377 c Condenser cover complete 43484 4 5 d 20 l tank for chemicals 43469 e 10 l tank for chemicals 43468 6 7 f Hol...

Page 13: ...on Manual Version G Table 3 3 Optional accessories K 350 cont Product Order number Splash protector for Devarda method K 350 K 355 K 370 43335 Constricted distillate outlet tube 5 mm 43096 Sample tube...

Page 14: ...3 Technical data 14 K 350 Operation Manual Version G Table 3 3 Optional accessories K 350 cont Product Order number Universal adapter for K 350 K 355 or K 370 43115 SO2 accessory 48680...

Page 15: ...m maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 67 relative humidity at 35 C Installation category II Pollution degree 2 Dimensions W x H x D 400 660 360 mm Weight 16...

Page 16: ...hapter explains the basic principle of the instrument shows how it is structured and gives a functional description of the assemblies 4 1 Instrument overview 3 1 2 4 5 6 a Splash protector b Sample tu...

Page 17: ...ions of steam volatile substances e g of alcohol SO2 volatile acids 1 2 3 4 5 a Sample tube b Splash protector c Condenser d Distillate outlet tube e Receiving vessel with receiver solution Fig 4 2 Fu...

Page 18: ...7 a STOP Stops a distillation or the addition of reagent b TIME display c START Starts a distillation d TIME Sets time in min sec e UP Increases time and steam up f DOWN Decreases time and steam down...

Page 19: ...ing for future transportation 5 1 Installation site Install the instrument on a clean flat and stable base and place the storage tanks on the same level as the instrument not higher and not more than...

Page 20: ...re that no electric sparks form in the instrument or its surroundings as they might damage the instrument 5 3 Reagent and water connections a b c d e a H2 O inlet for steam generator from tank b NaOH...

Page 21: ...esistant tube if acid is dosed Insert a PTFE suction tube into the solaflex tube Push an EPDM sealing ring over the solaflex tube Now fasten the tubes to the tank with the red screw cover Connect the...

Page 22: ...s long as the switch is pressed 6 1 2 Automatic dosage The reagent volume dosed before the distillation is started is stored This volume can be recalled after distillation The stored volume is dosed b...

Page 23: ...rator is heating A flashing colon and a signal sound for 1 second indicates that the steam generator is ready 6 3 2 Standby mode after 30 minutes The TIME display shows Press START to cancel the stand...

Page 24: ...g vessel Fill boric acid solution 4 and 2 3 drops of Sher indicator in the receiving vessel Alternative Select suitable chemicals for the back titration Add sodium hydroxide solution by pressing REAGE...

Page 25: ...ment Check the instrument for proper operation after any repair work 7 1 Daily maintenance 7 1 1 Cleaning the instrument from inside To ensure proper instrument functioning regular cleaning is vital T...

Page 26: ...terwards dry it with a soft cloth remount it and put the splash protector back in place ATTENTION When removing and reinstalling the seal make sure not to damage it Always move it perpendicularly to t...

Page 27: ...g the NaOH pump We recommend to replace the NaOH pump once a year 7 6 Customer service Only authorised service personnel are allowed to perform repair work on the instrument These persons have a compr...

Page 28: ...BUCHI customer service agent 8 1 Malfunctions and their remedy Table 8 1 General malfunctions and their remedy Error number Error indication Possible cause Corrective measure E 30 Service door open Cl...

Page 29: ...t the power cord WARNING The steam generator gets very hot during operation Danger of being burned Always let the steam generator cool down for at least 30 minutes after having switched it off before...

Page 30: ...the manufacturer 10 1 Spare parts K 350 2 3 4 5 6 7 8 9 1 Table 10 1 Spare parts K 350 Product Order number a Set of clamps 7 6 11 9 9 6 10 7 12 8 5 pieces each 43586 b SVL 22 screw cap 03577 c SVL 22...

Page 31: ...Drip tray 43302 Caps for 20 l tanks large 2 pieces 43478 10 2 Hosing connection scheme 2 3 4 5 6 7 8 9 10 11 1 a Inlet b NaOH tank c H2 O tank d Valve cooling water in e Pump NaOH f Pump H2 O steam ge...

Page 32: ...tube 12 6 L 65 9 43029 1 EPDM 6 35 1 58 L 530 11 43940 1 Silicone tube 9 6 L 1500 12 37780 1 Cooling water tube complete L 1500 13 43940 1 Silicone tube 9 6 L 1500 101 43139 3 Connectors GL 14 bent E...

Page 33: ...ause 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 appa...

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Page 36: ...w buchi com cn India BUCHI India Private Ltd IN Mumbai 400 055 T 91 22 667 75400 F 91 22 667 18986 india buchi com www buchi in Indonesia PT BUCHI Indonesia ID Tangerang 15321 T 62 21 537 62 16 F 62 2...

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