Metrohm 757 VA Computrace Manual do Utilizador

757 VA Computrace METROHM Ltd. CH-9101 Herisau Hardware Manual 8.757.1013

1 Introduction 757 VA Computrace – Hardware 6 No. Title 251 Polarographic determination of cinchocaine (dibucaine) in pharmaceutical preparat

2 Parts and controls 757 VA Computrace – Hardware 7 2 Parts and controls In this section you will find the numbers and designations of the part

2 Parts and controls 757 VA Computrace – Hardware 8 1234567 Fig. 1: Front of the 757 VA Computrace Stand 1 Cover of measuring head arm hinged

2 Parts and controls 757 VA Computrace – Hardware 9 8Type 1.757.0010 Nr.f = 50-60HzP = 26WMade by Metrohm Herisau SwitzerlandPC InterfaceRemote1

2 Parts and controls 757 VA Computrace – Hardware 10 1617218192021222324 25 22 26 27 28 4 29 30 26 31 32 33 Fig. 3: Right side view of the 757

2 Parts and controls 757 VA Computrace – Hardware 11 2 Stopper (6.2709.080) to close the pipetting opening 4 Gas wash bottle (6.2405.030) for in

2 Parts and controls 757 VA Computrace – Hardware 12 42 Stirrer tip (6.1204.090) 43 PTFE tube (6.1819.010) for optional supply of the waste so

3.1 Setting up the instrument 757 VA Computrace – Hardware 13 3 Installation This section offers a full description of the 757 VA Computrace Sta

3 Installation 757 VA Computrace – Hardware 14 3.2 Installation of the 757 VA Computrace Stand If the 757 VA Computrace Stand is connected to

3.2 Installation of the 757 VA Computrace Stand 757 VA Computrace – Hardware 15 3.2.3 Connection to the PC The 757 VA Computrace Stand is connec

CH-9101 Herisau/Schweiz Internet www.metrohm.com E-Mail [email protected] 757 VA Computrace Hardware Manual 8.757.1013 14.09.2001 /

3 Installation 757 VA Computrace – Hardware 16 3.2.4 Equipping the measuring head The fixtures inserted in the openings and connections of the

3.2 Installation of the 757 VA Computrace Stand 757 VA Computrace – Hardware 17 64595857 62615152535455656056 63201966 67 Fig. 6: Measuring head

3 Installation 757 VA Computrace – Hardware 18 66 Threaded opening for FEP tubing 68 (6.1805.180); optional waste solution lead-off 67 Th

3.2 Installation of the 757 VA Computrace Stand 757 VA Computrace – Hardware 19 3.2.5 Inert gas connection Nitrogen (N2) is generally used as the

3 Installation 757 VA Computrace – Hardware 20 N2V3V2V4V14335072 73 Fig. 7: Scheme showing the inert gas connections at the 757 VA Computrace S

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 21 3.3 Multi-mode electrode (MME) The multi-mode electrode combines the most importan

3 Installation 757 VA Computrace – Hardware 22 Fig. 8: Multi-mode electrode 74757677737879808182838485878872 8986 72 Connection for inert ga

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 23 3.3.2 Filling the MME with mercury When handling mercury, it is necessary to take

3 Installation 757 VA Computrace – Hardware 24 2 Draw up mercury • Attach needle 91 to syringe 90. • Draw up 6 mL ultrapure mercury slowly an

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 25 1 Install multi-mode electrode in 757 VA Computrace Stand • With the measuring h

Table of contents 757 VA Computrace – Hardware I Table of contents 1 Introduction...

3 Installation 757 VA Computrace – Hardware 26 5 Checking the MME for leaks • Switch on the dropping mercury electrode by selecting DME in th

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 27 949588179293979696 Fig. 10: Setting up the filling station 939495881719223 Fig. 11

3 Installation 757 VA Computrace – Hardware 28 5 Evacuating in vertical position • Place multi-mode electrode 17 vertically in the electrode

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 29 10 Pressurize the MME • Switch on 757 VA Computrace Stand with mains switch 12 (t

3 Installation 757 VA Computrace – Hardware 30 3.3.6 Storing the MME On completion of the measurements, the MME is stored in the 757 VA Computr

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 31 3.3.8 Changing the capillary Contamination of the glass capillary can necessitate

3 Installation 757 VA Computrace – Hardware 32 3.3.9 Cleaning the MME If the mercury in the multi-mode electrode is contaminated and this leads

3.3 Multi-mode electrode (MME) 757 VA Computrace – Hardware 33 6 Replace sealing needle 76 if need be If problems with leaks arise owing to a w

3 Installation 757 VA Computrace – Hardware 34 3.4 Rotating disk electrode (RDE) The rotating disk electrode (RDE) is available as an option an

3.4 Rotating disk electrode (RDE) 757 VA Computrace – Hardware 35 34 35 36 37 16 30 982831 38 100 99239192039 Fig. 12: Measuring head arm with ro

Table of contents 757 VA Computrace – Hardware II 3.9 Connection of the 813 Compact Autosampler... 43 3.9.1 Electrical c

3 Installation 757 VA Computrace – Hardware 36 3.5 Reference electrode 3.5.1 Construction The complete reference electrode (RE) 22 comprises two

3.5 Reference electrode 757 VA Computrace – Hardware 37 3.5.2 Startup procedure The reference electrode 22 is supplied in modular form as the refe

3 Installation 757 VA Computrace – Hardware 38 3.6 Auxiliary electrode 3.6.1 Construction The following electrodes can be used as the auxiliary

3.7 Stirrer 757 VA Computrace – Hardware 39 39112115116117112113114 Fig. 14: Construction of the auxiliary electrode 3.7 Stirrer The complete

3 Installation 757 VA Computrace – Hardware 40 3.8 Connection of 765 Dosimats The predecessor model 665 Dosimat can also be connected instead

3.8 Connection of 765 Dosimats 757 VA Computrace – Hardware 41 3.8.2 Tubing connection For the addition of standard or auxiliary solutions into th

3 Installation 757 VA Computrace – Hardware 42 3.8.3 Changing the Exchange unit The Exchange unit mounted on the 765 Dosimat can be changed onl

3.9 Connection of the 813 Compact Autosampler 757 VA Computrace – Hardware 43 3.9 Connection of the 813 Compact Autosampler With the 813 Compact

3 Installation 757 VA Computrace – Hardware 44 757813765772 7727316.2141.150 Cable6.2141.080 Cable Fig. 15: Electrical connection of the 813 C

3.9 Connection of the 813 Compact Autosampler 757 VA Computrace – Hardware 45 341181192012012143452 cm3 cm2 cm44 Fig. 17: Installation of access

1.1 Instrument description 757 VA Computrace – Hardware 1 1 Introduction 1.1 Instrument description 757 VA Computrace is a PC-controlled system f

3 Installation 757 VA Computrace – Hardware 46 max. 0.5 mm3.9.2 Tubing connections For operation of the 757 VA Computrace Stand with 813 Compact

3.9 Connection of the 813 Compact Autosampler 757 VA Computrace – Hardware 47 3 Connect 772 siphoning pump • Cut 6.1826.100 pump tubing to a le

3 Installation 757 VA Computrace – Hardware 48 3.9.3 Software settings Before putting into operation the 757 VA Computrace Stand with the 813 Co

3.9 Connection of the 813 Compact Autosampler 757 VA Computrace – Hardware 49 2 Set automation parameters • Click on MAIN WINDOW / Settings / G

3 Installation 757 VA Computrace – Hardware 50 3.9.4 Operation of the 813 Compact Autosampler After installation of the instruments according t

4.1 Electrical safety 757 VA Computrace – Hardware 51 4 Safety 4.1 Electrical safety While electrical safety in the handling of the 757 VA Com

4 Safety 757 VA Computrace – Hardware 52 4.2 Safety considerations concerning mercury 4.2.1 Properties of mercury The most important propertie

4.2 Safety considerations concerning mercury 757 VA Computrace – Hardware 53 4.2.2 Toxicity of mercury and its compounds Mercury and its compound

4 Safety 757 VA Computrace – Hardware 54 • Trapping of mercury drops Single mercury drops in this drip pan or any other spilt mercury can be b

4.2 Safety considerations concerning mercury 757 VA Computrace – Hardware 55 4.2.4 References dealing with mercury [1] Documenta Geigy Wissensc

1 Introduction 757 VA Computrace – Hardware 2 1.2 Information about the Instructions for Use Please read through these Instructions for Use c

4 Safety 757 VA Computrace – Hardware 56

5 Technical data 757 VA Computrace – Hardware 57 5 Technical data Subject to changes ! The listed technical data apply to an ambient tempera-tur

5 Technical data 757 VA Computrace – Hardware 58 Sweep rate with voltage step 10 mV CV: 0 … 30 V/s SQW, DC: 0 … 20 V/s DP, NP: 0 … 0.5 V/s A

5 Technical data 757 VA Computrace – Hardware 59 Auxiliary electrode (AE) Pt auxiliary electrode 6.0343.000 Platinum electrode GC auxiliary elect

5 Technical data 757 VA Computrace – Hardware 60 VA Computrace Interface Designation 6.2155.000 VA Computrace Interface Type Interface USB – VA

6.1 Scope of delivery 757 VA Computrace – Hardware 61 6 Appendix Subject to changes! All dimensions are given in mm. 6.1 Scope of delivery 6.1.

6 Appendix 757 VA Computrace – Hardware 62 Quant. Order No. Description 1 6.1226.030 Glass capillaries for 6.1246.020 Multi-mode electrode S

6.1 Scope of delivery 757 VA Computrace – Hardware 63 Quant. Order No. Description 1 6.1415.210 Measuring vessel clear glass Volume: 10 ... 90

6 Appendix 757 VA Computrace – Hardware 64 Quant. Order No. Description 1 6.2301.100 Lead standard solution ρ(Pb2+) = 1.000 ± 0.003 g/L p

6.1 Scope of delivery 757 VA Computrace – Hardware 65 Quant. Order No. Description 1 6.2711.040 Drip pan made of PS (polystyrene) To be insert

1.2 Information about the Instructions for Use 757 VA Computrace – Hardware 3 1.2.2 Notation and pictograms The following notations and pictogra

6 Appendix 757 VA Computrace – Hardware 66 6.1.2 2.757.0120 VA Computrace The 2.757.0120 VA Computrace System includes the following accessori

6.1 Scope of delivery 757 VA Computrace – Hardware 67 Quant. Order No. Description 1 6.2709.080 Stopper For closing the pipetting aperture of

6 Appendix 757 VA Computrace – Hardware 68 6.2 Options Order No. Description 6.0728.010 Ag/AgCl reference system with ceramic diaphragm Toge

6.2 Options 757 VA Computrace – Hardware 69 Order No. Description 6.1247.000 Glassy carbon tip Together with the 6.1241.020 electrode holder f

6 Appendix 757 VA Computrace – Hardware 70 Order No. Description 6.2827.000 Trimming tool for regeneration of the 6.1204.100 Ultra Trace Grap

6.3 Warranty 757 VA Computrace – Hardware 71 6.3 Warranty The warranty on our products is limited to defects that are traceable to material, const

6 Appendix 757 VA Computrace – Hardware 72 6.4 EU Declaration of conformity EU Declaration of Conformity The METROHM AG company, Herisau, Swi

6.5 Certificate of conformity and system validation 757 VA Computrace – Hardware 73 6.5 Certificate of conformity and system validation Certifica

6 Appendix 757 VA Computrace – Hardware 74 6.6 Index A Ag electrode tip (6.1204.130) ...34,68 Ag/AgCl filling 105 F

6.6 Index 757 VA Computrace – Hardware 75 Installing the drive belt ...16 Ordering designation ...

1 Introduction 757 VA Computrace – Hardware 4 1.3 Support documentation 1.3.1 Application Bulletins The «Application Bulletin» is a collection

6 Appendix 757 VA Computrace – Hardware 76 H Handling of mercury ...53 Hazard ...

6.6 Index 757 VA Computrace – Hardware 77 O Opening 51 Figure ...17 Insertion o

6 Appendix 757 VA Computrace – Hardware 78 Serial number 11 Figure ......9 Set

1.3 Support documentation 757 VA Computrace – Hardware 5 No. Title 123 Voltammetric determination of iron and manganese in water samples 124 P