General Catalogue Chemistry - BECO Internacional LTDA.

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667 351 Digital grating spectrophotometer Microprocessor controlled single beam spectrophotometer with grating monochromator, chart recorder output and holder for rectangular cells. The wavelength is selected via pushbuttons. Automatic self-test and calibration. Wavelength: 325 ... 1000 nm Spectral bandwidth: 8 nm Wavelength accuracy: photometry Cuvettes: see page 61 LEYBOLD DIDACTIC · GENERAL CATALOGUE CHEMISTRY 59
667 349 photometry Determination of the absorption characteristic of an untreated chlorophyll solution By simple means it is possible to produce an alcohol extract from crushed leaves. This untreated chlorophyll solution may then be subjected to photometric analysis. With the aid of the digital spectrophotometer (> 667 349) it is possible to record a continuous absorption spectrum; in spite of the presence of contamination the existence of absorption peaks in the blue and red ranges can be detected. Equipment list 60 LEYBOLD DIDACTIC · GENERAL CATALOGUE CHEMISTRY 667 352 Determination of the absorption characteristic of an untreated chlorophyll solution Quantity Description Cat. No. 1 Digital spectral photometer . . .667 349 1 Computer connection cable with software . . . . . . . . . . . . . .667 352 1 Personal computer 667 349 Digital spectral photometer The digital spectral photometer is an economical, easy-to-operate single beam photometer. The digital display allows the simultaneous indication of transmission and absorption or concentration and factor. The wavelength can also be indicated in both cases.The filter wheel contains 4 filters each of which covers a different range of wavelengths. Specific wavelengths are selected manually after the appropriate filter has been positioned in the beam. The integrated interface allows connection to the RS 232 interface of a computer. The software which is accompanying the computer connection cable (> 667 352 ) allows the recording of the absorption as a factor of the concentration, time or wavelength. The function of a large digital display can be called up on the monitor. Wavelength range: 340...900 nm Resolution: 2.5 nm Wavelength accuracy: ± 1.0 nm Photometric stability: ± 0.1 %T Photometric linearity: ± 0.1 %T Measurement ranges: Transmission: 0...100 % Absorption: 0...1.999 Concentration: 0...199 Factor: 0.1...999 Display: LED, 4-digit, 7 mm high Cells: Round cells, 15 mm external diameter, 100 mm high Cell holder: 15 mm Data output: Serial, 9-pin Voltage supply: 115/230V, 50/60 Hz, switchable Dimensions: 410 x 210 x 220 mm Weight: 5.8 kg Scope of delivery 1 Digital spectral photometer, including RS 232 interface 2 Round cells 667 352 Computer connection cable This cable allows the digital spectral photometer (> 667 349 ) to be connected directly to the serial interface of a computer. DOS software is also included in the scope of supply
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General Catalogue Chemistry
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® Firmly focused on customer satis
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Getting in touch with us… iv LEYB
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Have a question? Feel free to call
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ecology Ecology Leybold-Didactic pr
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ecology All-purpose hand-held instr
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ecology 666 225 Hand-held photomete
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Page 21 and 22: ecology Air pollution and waste gas
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chemistry panel system Power suppli
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chemistry panel system CPS-blank pa
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iotechnology Batch reactor Biologic
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iotechnology Equipment list Microbi
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biotechnology 666 420 Peristaltic p
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iotechnology Biochemistry Equipment
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iotechnology Tools for biochemistry
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special topics 667 199 Dialysis tub
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special topics Equipment list Produ
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stm Equipment storage There are two
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illustrative media Overview of the
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illustrative media Overview of the
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illustrative media Molecular models
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illustrative media Orbital models O
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illustrative media 667 678 Periodic
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illustrative media 140 LEYBOLD DIDA
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illustrative media Chemistry manual
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computer-assisted experimenting Bri
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computer-assisted experimenting Sen
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computer-assisted experimenting 148
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computer-assisted experimenting Ord
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computer-assisted experimenting Spe
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measuring equipment - length Instru
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measuring equipment - time 666 095
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measuring equipment - mass 315 25 3
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measuring equipment - mass Sartoriu
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measuring equipment - mass Accessor
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measuring equipment - mass Mettler
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measuring equipment - electricity D
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Digital multimeter 667 908 666 453
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measuring equipment - electricity B
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measuring equipment - electricity 5
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measuring equipment - recorders Cha
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measuring equipment - pulses, frequ
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measuring equipment - temperature T
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measuring equipment- pH pH meters a
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measuring equipment- pH Inserting t
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measuring equipment - conductivity
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energy supply Batteries, accumulato
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energy supply Variable extra-low vo
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energy supply 52129 Three-phase ext
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energy supply 521 50 AC/DC power su
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energy supply 210 LEYBOLD DIDACTIC
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auxiliary equipment · electricity
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stand material Stand bases 300 01 S
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stand material Stand rods Stand rod
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stand material Stands Bunsen burner
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heaters and stirrers Burners and ac
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heaters and stirrers Electrical hea
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heaters and stirrers 303 25 Safety
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heaters and stirrers 666 766 Circul
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heaters and stirrers 666 847 Magnet
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heaters and stirrers Desalinization
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heaters and stirrers 666 861 Hand-d
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Beaker glass, plastic and porcelain
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glass, plastic and porcelain ware T
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glass, plastic and porcelain ware C
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glass, plastic and porcelain ware G
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glass, plastic and porcelain ware V
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glass, plastic and porcelain ware B
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Funnel glass, plastic and porcelain
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glass, plastic and porcelain ware D
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glass, plastic and porcelain ware R
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glass, plastic and porcelain ware V
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consumables Filter paper Round filt
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consumables Syringes 665 963 665 95
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consumables Test kits Visocolor ®
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safety Safety 661 900 Chemical cabi
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safety 667 614 Heat protective glov
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safety 667 635 Chemical waste dispo
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laboratory gases Compressed gas bot
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Tray storage Equipment boxes, stora
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visual aids 443 15 Base plate with
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sets of chemicals 661 872 Supplemen
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numerical - index Cat. No. Page Cat
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alphabetical - index Article Page A
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✃ order form LEYBOLD DIDACTIC GMB
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