Page 13 of VA Trace Analyzer - Top-of-the-line instruments for trace and ultra-trace analys by Metrohm AG

technical specifications details of 747 va stand brief description · stand for 746 va trace analyzer includes potentiostat and measuring amplifier that is exceptionally broad banded and low noise with multi-mode electrode mme rotating disk electrode rde as an option electrodes · 6.1246.020 multi-mode electrode mme pneumatically operated incorporates dme hmde and smde working electrode we types · 6.0728.020 ag/agcl reference electrode re · 6.0343.000 auxiliary electrode ae made of pt with plastic shaft optional auxiliary electrode made of glassy carbon · rde with interchangeable disk electrodes option stirrer · speed 1000 to 3000 min­1 · material ptfe measuring vessels · working volume 10 70 ml option above 5 ml · measuring vessel with thermostat jacket as option thermostating through third-party apparatus automatic addition of standard and auxiliary solutions · max four 685 dosimats or four 700 dosinos automatic sample addition · with 695 va autosampler potentiostat · voltage range ±10 v current range ±5 ma · sweep rates 1 mv/s 100 v/s measuring amplifier · max phase error at 250 hz 1° · resolution approx 50 pa for modulation methods approx 500 pa for dc dimensions · width 220 mm height 280 mm with cover fully opened 520 mm depth 382 mm weight · 9.1 kg details of 695 va autosampler brief description · x y z sample changer for automatic analyses and convenient liquid handling with 746 va trace analyzer and 747 va stand control evaluation · by 746 va trace analyzer capacity · standard rack for 80 samples of max 13 ml each optional rack for 40 samples of 50 ml each the sample racks of the 705 uv digester either 2 x 12 or 2 x 16 samples can be installed directly on the corresponding optional sample rack supports of the 695 autosampler up to 27 auxiliary and/or standard solutions can be arranged and added ­ without any additional dosing apparatus liquid metering · µl to ml range for samples and standards surface sensor to optimize immersion depth of sampling tip and thus minimize cross-contamination covering of sample vessels · to avoid contamination from the atmosphere the sample vessels can be covered with a special protective foil measuring cell · multiple rinsing of electrodes sampling tip and vessel avoids cross-contamination · thermostating of the measuring cell is possible disposal · spent solutions and mercury are collected in separate waste containers dimensions · width 606 mm height of housing 518 mm height including sampling device approx 920 mm depth 515 mm weight including accessories · 39 kg va trace analyzer 13

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