Catalog: VA Trace Analyzer - Top-of-the-line instruments for trace and ultra-trace analys | |
| va trace analyzer top-of-the-line instruments for trace and ultra-trace ... | |
| the va trace analyzer your key to trace analysis like a drop in the ocean trace and ultra-trace analysis 2 va trace analyzer | |
| the va trace analyzer your key to trace analysis voltammetry is of inestimable value for the analysis of metal traces investigations of metal speciation and heavy metal remobilization are unthinkable without voltammetric analysis the table lists 15 applications that our customers perform daily all over the world the cited limits of determination are based on our own experience and are attainable under normal laboratory conditions applying clean working techniques polarography is also eminently suitable for the sensitive determination of anions such as nitrite or sulfite and of organic compounds ... | |
| trace analysis in a wide variety of samples application bulletins of metrohm s approximately 200 application bulletins 50 refer to polarography and voltammetry the examples listed here substantiate the versatility of the polarographic and voltammetric methods for a range of applications including both inorganic and organic substances application bulletin no application bulletin no water wastewater environmental protection aluminum in water samples 131 ammonium and nitrite in water samples 127 copper cobalt nickel zinc and iron in foods and water samples 114 iron and manganese in water samples ... | |
| trace analysis in a wide variety of samples application notes our application notes present application information in concentrated form i.e on maximum two pages in the field of voltammetry there are at present more than 100 application notes in english you can order these from your metrohm supplier or view them in the internet under www.metrohm.com and copy them from there official methods trace analysis with polarography or voltammetry is the subject of national and international standards some of which appear in the table designation subject din 38 406 part 16 din 38 413 part 5 iso 6636-1 iso ... | |
| highly versatile tools compact brain the 746 va trace analyzer applies multitasking it is available with or without a built-in printer its compact housing encloses all elements that are important for analytical practice · the piezoelectric keypad ensures clear-cut operation and fast access to the instrument functions · the backlit lcd screen shows methods and routines calibration curves voltammograms and results in short it provides you with up-to-date information before during and after the determination with the 746 va trace analyzer you can read and load memory cards thus increasing the storage ... | |
| highly versatile tools programs for your pc should you wish to attach your pc to the 746 va trace analyzer two metrodata pc programs are at your disposal both programs run under windowstm and are thus easy to operate · metrodata «va backup» allows storage in the pc and on diskette of methods and determinations that have been developed with the 746 va trace analyzer preparation has been made for the export of data to a spreadsheet program metrodata «va backup» is delivered together with the 746 va trace analyzer · metrodata «va database» accepts methods determinations and sample data from the 746 ... | |
| va stand with time-tested concept 747 va stand new features in a proven construction the 747 va stand which combines the new and the time-tested offers the following benefits · it is simple to operate and extremely robust · the multi-mode electrode mme is an outstanding working electrode which has more than proved its worth in practice it combines the dme dropping mercury electrode hmde hanging mercury drop electrode and the smde static mercury drop electrode the mme generates highly reproducible mercury drops supplies a signal with minimum interference and consumes very little mercury in the ... | |
| modular automation partial automation not an incomplete solution analyses performed with the va trace analyzer can be automated in steps instead of executing standard additions manually you can have these done by one or several 700 dosinos or 685 dosimats whereby the standard addition volume can be programmed as a function of the peak height in a further step rinsing and the addition of auxiliary reagents can also be undertaken by dosinos these measures save you from a lot of routine work between the start and the end you do not need to look at the individual determinations the optional pipetting ... | |
| in the 705 uv digester showing from top to bottom the peaks for cd pb and cu ... | |
| two of the many applications blank determination hg in chemicals sample chemicals used for the determination of hg i.e nacl edta und hclo4 all of «suprapur» grade reagents all reagents used were of the highest purity the ultrapure water was prepared using a water purification unit milli-q millipore voltammogram of the hg determination method asv anodic stripping voltammetry with dp differential pulse at the 6.1204.140 au rde with peek shaft ae re glassy carbon ag/agcl/clicl 1 mol/l in h2o addition of a standard solution containing hg sample preparation none short result report units and calculation ... | |
| technical specifications details of 746 va trace analyzer brief description · compact control and data acquisition instrument for up to two 747 va stands and up to four 685 dosimats or four 700 dosinos screen keypad as well as 2 bidirectional rs 232c interfaces and 8 control lines are integrated optional built-in printer · the 695 va autosampler a highly sophisticated automation tool is also controlled by the 746 va trace analyzer keypad · piezoelectric keypad splashwater-proof with function keys softkeys keys for instrument dialog cursor control and numeric block measurement techniques · · · ... | |
| 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 ... | |
| ordering information options ordering information 746 va trace analyzer 2.746.0010 2.746.0020 compact control unit for polarographic and voltammetric analyses with the 747 va stand screen and keypad are built in without printer but with parallel interface for external printer same as 2.746.0010 but with built-in thermal printer a4 format without parallel printer interface 747 va stand for manual and automatic sample introduction 2.747.0010 stand for 746 va trace analyzer with or without 695 va autosampler with multi-mode electrode mme without rotating disk electrode rde swing-back measurement ... | |
| ordering information options 6.3026.150 5 ml exchange unit for 685 dosimat with flat ptfe/pctfe stopcock 1 l reagent bottle made of brown glass the above exchange unit allows direct reagent dispensing from bottles with gl45 glass threads i.e from 1 l reagent bottles of baker and riedel-de haën for other types of bottles the following adapters are available 6.1602.110 6.1618.000 6.1618.010 6.1618.050 siphon for 6.3014.xxx exchange units for merck reagent bottles with s40 thread adapter 32 mm/gl45 for fluka reagent bottles and 500 ml reagent bottles from riedel-de haën adapter 28 mm/gl45 for fisher ... | |
| ordering information options 6.1457.210 measuring vessel for 695 va autosampler with thermostat jacket working volume 12 70 ml additional measuring vessels 6.1418.220 6.1450.210 6.1415.150 measuring vessel with thermostat jacket working volume 12 70 ml measuring vessel made of pfa perfluoralkoxy copolymer working volume 10 90 ml measuring vessel working volume 5 70 ml 705 uv digester digestion apparatus for the uv photolysis of water samples containing moderate amounts of organic matter comprises a control unit and a separate wet part with uv lamp cooling device and holder for 12 sample vessels ... | |
