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Milieu-, bodem-, water-, voedselanalyse

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Optische instrumenten en microscopen

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345678
Lovibond® Comparator 3000 | Description: EBC-Comparator 3000 AF 229
Lovibond® Comparator 3000 | Description: EBC-Comparator 3000 AF 229
Merk: The Tintometer LimitedBeschikbaar in 4 variantenVisual comparators for colour grading. A series of 3-field instruments designed for visual colour grading by direct comparison between the sample and coloured glass standards. The sample and two adjacent glasses on the colour scale are viewed simultaneously, making it easier to achieve the optimum colour match. The tungsten halogen light source is colour corrected to CIE Standard Illuminant C (B for the EBC Comparator 3000) and guarantees constant lighting conditions for colour grading. Versions of the Comparator 3000 are available for the following scales, each supplied with the appropriate range of colour standards and sample containers:
€4.820,67
Lovibond® Nessleriser Systems, Pt-Co/Hazen/APHA Scale | Type: AF 327, Colour scale: Pt-Co 0 - 70 mg Pt/l
Lovibond® Nessleriser Systems, Pt-Co/Hazen/APHA Scale | Type: AF 327, Colour scale: Pt-Co 0 - 70 mg Pt/l
Merk: The Tintometer LimitedBeschikbaar in 6 variantenLovibond® Comparator 2000+ is a quality instrument for the visual analysis of colour intensity in analysis samples using Lovibond colour discs. The integral cell attachment enables cells with a depth of 40mm to be accepted. The Lovibond® Nessleriser system provides greater depths by using corresponding accessory Nessler tubes. This enables the determination of concentrations below the detection limit of the Lovibond® Comparator 2000+. The integral prism in the Lovibond® Comparator 2000+ brings the glass standard of the colour discs and the colour samples optically into the field of view. The prism is hermetically sealed, preventing the lens from being contaminated. Both the Comparator 2000+ and the Nessleriser are designed in such a way that they compensate for cloudy or coloured water samples. Each device is available for use in daylight or in combination with the artificial daylight unit 2000.
€2.284,19
Macro and semi micro cuvettes | Description: Macro, 4 optical windows, Volume ml: 2.5 to 4.5, Path length mm: 10
Macro and semi micro cuvettes | Description: Macro, 4 optical windows, Volume ml: 2.5 to 4.5, Path length mm: 10
Merk: BRAND GMBH + CO.KGBeschikbaar in 8 variantenSorted by mould cavity number. PMMA or PS.Quality characteristics:Minimal extinction value variation.Optically perfect transmission rangeRecessed window, to protect against scratchesArrow head marking shows the direction of transmission.Advantages to user:Ideal for kinetics measurements1000 cells from the same cavity in each packPractical packaging: clear, re-closable.Polymethylmethacrylate (PMMA) cuvettesTypical operating range: from 300nm to 900nm.Standard deviation at 320nm ± 0.004 extinction units.Polystyrene (PS) cuvettesTypical operative range: from 340nm to 900nm.Standard deviation at 360nm ≤ ± 0.005 extinction units.Macro cell with 4 optical windows, PS / UV-transparentParticularly suitable for fluorescence spectroscopy. The UV version can be used from a wavelength of 230 nm and shows minimal autofluorescence. Standard deviation: Cuvettes of Polystyrene (PS) at 360 nm ≤ ± 0.005 extinction units, cuvettes UV-transparent at 240 nm ≤ ± 0,007 extinction units and at 300 nm ≤ ± 0,005 extinction units.
€41,80
Macro cells for absorption measurement, NIR-range, quartz glass Extended Range | Type: D, Path length mm: 10, External dimensions (W x D x H) mm: 46 x 12.5 x 12.5
Macro cells for absorption measurement, NIR-range, quartz glass Extended Range | Type: D, Path length mm: 10, External dimensions (W x D x H) mm: 46 x 12.5 x 12.5
Merk: Hellma GmbH & Co. KGBeschikbaar in 8 variantenQuartz glass Extended Range, Wavelength range: 200 - 3500 nm. Inside width 9.5 mm. Base thickness 1.5 mm.Type A: with PTFE lid Type B: with small glass lidType D: with PTFE stopper / from 40 mm with 2 PTFE stoppers
€202,00
Macro cells for absorption measurement, UV-range, quartz glass High Performance | Type: B, Path length mm: 1 (spectrally measured), External dimensions (W x D x H) mm: 12.5 x 3.5 x 45
Macro cells for absorption measurement, UV-range, quartz glass High Performance | Type: B, Path length mm: 1 (spectrally measured), External dimensions (W x D x H) mm: 12.5 x 3.5 x 45
Merk: Hellma GmbH & Co. KGBeschikbaar in 19 variantenQuartz glass High Performance 200 - 2500 nm. Inside width 9.5 mm. Base thickness 1.5 mm.Type A: with PTFE lidType B: with small glass lidType C: with regular glass lidType D: with PTFE stopper / from 40 mm with 2 PTFE stoppers
€136,50
Macro cells for absorption measurement, VIS-range, special optical glass | Type: A, Path length mm: 20, External dimensions (W x D x H) mm: 12,5 x 22,5 x 45
Macro cells for absorption measurement, VIS-range, special optical glass | Type: A, Path length mm: 20, External dimensions (W x D x H) mm: 12,5 x 22,5 x 45
Merk: Hellma GmbH & Co. KGBeschikbaar in 8 variantenSpecial optical glass 320 - 2500 nm. Inside width 9.5 mm. Base thickness 1.5 mm.Type A: with PTFE-FalzdeckelType B: with small glass lidType C: with regular glass lid
€80,80
Macro cuvettes, plastic | Description: Semi-micro, Nominal capacity ml: 1.6, Operating range nm: 220 ... 900
Macro cuvettes, plastic | Description: Semi-micro, Nominal capacity ml: 1.6, Operating range nm: 220 ... 900
Merk: Ratiolab GmbHBeschikbaar in 2 variantenFor photometric measurements even in the UV range.Applicable wavelength range 220 to 900 nmLow variation of extinction valuesGood optical transmission rangeSorted by mould cavity numberScope of supply: 100 netidentical cuvettes in styrofoam box with a resealable cover
€35,88
Micro plates, quartz glass | Description: Quartz glass
Micro plates, quartz glass | Description: Quartz glass
Merk: Hellma GmbH & Co. KG96-well-plates. Quartz glass, with synthetic quartz glass base. Ideal for use with aggressive media, for UV-range measurements, in microscopy, or in fluorescence studies.
€3.253,00
Micro Volume Analysis TrayCell | Type: TrayCell, Capacity µl: 0.7 ... 10, Height mm: 53 / 59.5 / 64.5
Micro Volume Analysis TrayCell | Type: TrayCell, Capacity µl: 0.7 ... 10, Height mm: 53 / 59.5 / 64.5
Merk: Hellma GmbH & Co. KGBeschikbaar in 2 variantenFibre-Optic Micro Measuring Cell. Accessory for standard spectrophotometer for droplet analysis.Sample volume 0.7µl to 10µl.Typical applications are:nucleic acid analysis.determination of the incorporation frequency of fluorescent dye labels (FOI).protein analysis (A280, BCA, Lowry etc.).all UV / Vis analysis utilising wavelength range 190nm to 1100nm.material: Quartz glass High Performance.Please state the required cell centre height (8.5mm, 15mm or 20mm) when placing your order! TrayCell is supplied as standard with caps for both 0.2mm and 1mm light path. Additional light path of 0.1mm and 2mm are available.
€3.166,00
Micro volume measuring cell TrayCell 2.0 | Type: TrayCell 2.0, Capacity µl: 0.7 ... 10, Height mm: 61.5 / 68 / 73
Micro volume measuring cell TrayCell 2.0 | Type: TrayCell 2.0, Capacity µl: 0.7 ... 10, Height mm: 61.5 / 68 / 73
Merk: Hellma GmbH & Co. KGFibre-optic micro volume measuring cell for UV/VIS-based microvolume analysis. Suitable for all current spectrophotometers with standard cuvette holder.Purity and concentration determination of DNA/RNA and proteinsDetermination of labelling efficiency for microarray experimentsPrecisely defined path lengths prevent misadjustmentRecovery of samples by simple pipetting offSamples with low surface tension can be measuredQuick and easy cleaningPlease indicate the centre height when placing your order!Scope of supply: Cuvette, lid for the indicated layer thicknesses
€2.176,00
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