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Article 1 - 24 from 259
 
Accessories for Lovibond® photometers
Description: Stirring rod, plastic, 10 cm long | Description: Kunststoff-Rührstäbe, 10 cm Länge | Manufacturer Article Number: 364109 | UNSPSC: 41-12-18-02
€9.60*
New
Polarimeter AP-300
 
Polarimeter AP-300
Accuracy: ±0.01° (-35.00 ... 35.00°), ±0.03 °Z (-101.00 ... 101.00 °Z) | Depth: 285 mm | Dimensions (WxDxH): 485 x 285 x 175 mm | Height: 175 mm | Illuminants: LED | Manufacturer Article Number: 5291 | Max. temperature: 30 °C | Max. voltage: 240 V | Measured range: -89.999 ... 89.999°, -130.000 ... 130.000 °Z | Min. temperature: 10 °C | Min. voltage: 100 V | Power supply: 100 ... 240 V, 50/60 Hz | Power supply frequency: 50/60 Hz | Resolution: 0.01°, 0.01 °Z | Temperature: 10 ... 30 °C | Type: AP-300 | Type: AP-300 | Type of auxiliary energy: Mains connection | Wavelength: 589 nm | Weight: 14.4 kg | Width: 485 mm
Model AP-300 is generally used in pharmaceutical, perfume, cosmetic, industrial, chemical, and food factories and is the optimal unit for measuring angle of rotation. In addition, the built-in International Sugar Scale is widely used in sugar refineries.The AP-300 has a manual calibration facility which allows the user to compensate for any differences to standard liquids and measurement values by other standard instruments.
€12,576.30*
New
Polarimeter Polax-2L
 
Polarimeter Polax-2L
Accuracy: ±0.10° | Depth: 220 mm | Dimensions (WxDxH): 430 x 220 x 300 mm | Height: 300 mm | Illuminants: LED | Manufacturer Article Number: 5223 | Max. temperature: 40 °C | Max. voltage: 240 V | Measured range: -179.95 ... 180.00°, -130.0 ... 130.0 °Z | Min. temperature: 5 °C | Min. voltage: 100 V | Power supply: 100 ... 240 V, 50/60 Hz | Power supply frequency: 50/60 Hz | Resolution: 0.05°, 0.1 °Z | Temperature: 5 ... 40 °C | Type: Polax-2L | Type: Polax-2L | Type of auxiliary energy: Mains connection | Wavelength: 589 nm | Weight: 11.5 kg | Width: 430 mm
The Polax-2L (manually-operating meter with digital indicator) is widely used in the sugar, pharmaceutical, chemical, perfume and educational industries. It can accurately measure the angle of rotation (or the value in the international standard sugar scale) with easy operation.
€5,871.60*
Cell DB 424/S5, 10ml pack of 5, 13,5mm path length
 
Cell DB 424/S5, 10ml pack of 5, 13,5mm path length
Manufacturer Article Number: 354243
Nessler cylinder AF306P, 113 mm: For use with the Nessleriser 2150 for the measurement of the Pt-Co/Hazen colour discs NSH (10-90 mg Pt/l) and NSB (70-250 mg Pt/l) and NSX (50-300 mg Pt/l).Nessler cylinder DB420, 250 mm: For use with the Nessleriser 2250 for the measurement of the Pt-Co/Hazen colour discs CAA (0-30 mg Pt/l) and CAB (30-70 mg Pt/l).
Variants from €87.00*
€112.10*
New
Microplate washer CAPPWash
 
Microplate washer CAPPWash
Anzahl Flüssigkeitskanäle: 8 | Manufacturer Article Number: W-8 | Type: CAPPWash 8 channel | Type: CAPPWash | UNSPSC: 41103207
The microplate washer is ideal for small scale work. It can be purchased individually or as a set, including all components necessary for the set up. The Two-in-One Design of Capp elisa plate washer offers two functions: add the washing solution to the well and aspiration of the used solution back to the waste collection bottle.Produced from stainless steel and polypropyleneResistant to aggressive chemicals
€741.50*
 
Paper roll for Printers MP-800D / 660-101
Description: Papierrolle für Drucker | Description: Paper roll for printer | Manufacturer Article Number: 99959-81
€21.24*
Reagent sets tablets
 
Reagent sets tablets
Description: DPD No. 4 / Active oxygen (MPS) | Manufacturer Article Number: TBSPD450 | Measuring range mg / l: 0 - 10 | No. of determinations: 50
Hazardous Substance DataH-SatzEUH210SDSLink
Variants from €5.75*
€7.20*
 
Accessories for Photometer PrimeLab 2.0
Description: Rührstäbe 10,5 cm, Kunststoff | Description: Stirring rod 10.5 cm, plastic | Manufacturer Article Number: PLSP-STR50
Variants from €7.10*
€63.57*
 
Accessories Data and electronics for Photometer PrimeLab 2.0
Description: Thermoreactor for heating 8 x COD cuvettes | Description: Thermoreaktor zum Erhitzen von 8 x COD Küvetten | Manufacturer Article Number: PLSP-CODHEATBLOC
Variants from €12.44*
€1,382.22*
 
Reference standards for Photometer PrimeLab 2.0
Description: Reference standard 0.5 / 10 / 1000 NTU | Manufacturer Article Number: PL2SP-REFTRB | Volume ml: 10
Variants from €67.51*
€91.76*
 
Disposable syringes for Photometer PrimeLab 2.0
Manufacturer Article Number: SPINJ1-10 | Nominal capacity: 10 ml
€71.80*
Reagent Tablets for Photometers and Comparators Lovibond®
 
Reagent Tablets for Photometers and Comparators Lovibond®
CAS-No.: 7681-11-0 | For: Chlorine | GHS: GHS08 | Manufacturer Article Number: 511082BT | Type: DPD No. 3 | UNSPSC: 41-11-61-17
Hazardous Substance DataGHSSignal wordGefahrH-SatzH372P-SatzP264, P314SDSLink
Variants from €23.98*
€98.60*
New
Reagent powder for Comparators and Photometers Lovibond®
 
Reagent powder for Comparators and Photometers Lovibond®
For: Hydrazine | GHS: GHS05 | Manufacturer Article Number: 462910 | Type: Hydrazine Test powder
Hazardous Substance DataGHSSignal wordGefahrH-SatzH318P-SatzP262, P305+P351+P338, P310UNNR1759SDSLink
Variants from €53.90*
€77.40*
Reagent tablets for Comparators CHECKIT® / 2000+
 
Reagent tablets for Comparators CHECKIT® / 2000+
Fits: CHECKIT® | For: Rapid | Manufacturer Article Number: 511312BT | Type: DPD No. 1 | UNSPSC: 41-11-61-17
Hazardous Substance DataSDSLink
Variants from €25.90*
€98.60*
Reagent tablets for Photometer Lovibond®
 
Reagent tablets for Photometer Lovibond®
For: Chlorine HR | Manufacturer Article Number: 511500BT | Type: DPD No. 1 HR
Hazardous Substance DataH-SatzEUH210SDSLink
€25.90*
 
Cuvettes for Photometer PrimeLab 2.0, round
Capacity: 10 ml | Description: Glass round cuvettes, with black lid | Ext. Ø: 24 mm | Manufacturer Article Number: PLSP-KV2410-50 | Material: Glass | Max. capacity: 10 ml | Shape (cuvettes): Round | Type of closure: Lid | Volume ml: 10 | Ø mm: 24
€181.02*
 
Cuvettes for Photometer PrimeLab 2.0
Capacity: 1 ml | Description: Eppendorf cuvettes | Manufacturer Article Number: PLSP-KV1-10 | Max. capacity: 1 ml | Shape (cuvettes): Rectangular | Type of cuvette: Semi-Micro | Volume ml: 1 | Ø mm: -
€5.00*
Autoanalyser cups for Technicon® analysers
 
Autoanalyser cups for Technicon® analysers
Colour: Crystal clear | Height: 38.0 mm | Manufacturer Article Number: 115017 | Material: PS | Nominal capacity: 4.0 ml | UNSPSC: 41-11-57-00 | Ø: 17.0 mm
PS. Conical base. Sample cups for use in autoanalysers.
Variants from €29.30*
From €49.50*
Variations
New
 
Accessories for Photometers PrimeLab 1.0
Description: Set à 10 Glas-Rundküvetten | Description: Set of 10 x 10 ml glass-vials | Manufacturer Article Number: PLSP-KV2410-10
Variants from €3.70*
€28.56*
New
Photometer PrimeLab 2.0 starter-kit
 
Photometer PrimeLab 2.0 starter-kit
Battery/rechargeable battery: Li Ion | Depth: 255 mm | Description: PrimeLab 2.0 starter-kit | Dimensions (W x D x H) mm: 100 x 255 x 59 | Dimensions (WxDxH): 100 x 255 x 59 mm | Electrochemical system: Li Ion | Height: 59 mm | IP code: IP 54 | Illuminants: LED | Manufacturer Article Number: PL02B | Protection class: IP 54 | Type: PrimeLab 2.0 Starter-Kit | Type of auxiliary energy: Rechargeable battery | Warranty: 2 years | Wavelength: 390 ... 950 nm | Weight: 715 g | Weight g: 715 | Width: 100 mm
The photometer with 18 different wavelengths (3 sensors with 6 wavelengths) covers the full VIS-spectrum as well as key parts of UV and IR spectrum. LEDs are set up at 180° as well as at 90° to enable NTU-Turbidity, PTSA and Fluorescein measurements as well.5.5" colour HD touch-displayMore than 140 different parameter methods (paid activation required)Please order reagents separatelyAuto-calibration functionIntelligent OTZ (One-Time-Zero) functionCan be used with 1 ml, 16 mm and 24 mm cuvettesData management with free software (LabCOM) / app in free cloud including individual accounts and reporting systemScope of supply:Multitest Photometer PrimeLab 2.0, carrying case, 4 x 24 mm/10 ml glass cuvettes with lid, light-shield, 24 mm cuvette adapter, stirring rod, 10 ml plastic syringe, cleaning brush, battery-charger with USB-cable (type C)Spectral range:390 ... 950 nm, 18 wavelengthsAmbient temperature:5 ... 45 °CRel. humidity:30 ... 90 %Internal memory:150000 measurementsDatatransfer:WiFi, GSMSoftware:LabCOM software, LabCOM App, LabCOM CloudPower supply:8500 mA Li-Io battery, 5 V power supply with adaptersWarranty:2 years
€1,061.13*
New
Accessories to Flame Photometer FF-200
 
Accessories to Flame Photometer FF-200
Description: Calibration standard 500 ml (100 mmol/l sodium, 100 mmol/l potassium) | Manufacturer Article Number: 16156-03 | UNSPSC: 41-11-61-07
Please Note: These products will only operate with the correct type of air compressor and gas regulator as specified below.
Variants from €19.59*
€122.15*
New
Photometer PrimeLab 2.0 SOLO
 
Photometer PrimeLab 2.0 SOLO
Battery/rechargeable battery: Li Ion | Depth: 255 mm | Description: PrimeLab 2.0 SOLO | Dimensions (W x D x H) mm: 100 x 255 x 59 | Dimensions (WxDxH): 100 x 255 x 59 mm | Electrochemical system: Li Ion | Height: 59 mm | IP code: IP 54 | Illuminants: LED | Manufacturer Article Number: PL02B-SOLO | Protection class: IP 54 | Type: PrimeLab 2.0 SOLO | Type of auxiliary energy: Rechargeable battery | Warranty: 2 years | Wavelength: 390 ... 950 nm | Weight: 715 g | Weight g: 715 | Width: 100 mm
The photometer with 18 different wavelengths (3 sensors with 6 wavelengths) covers the full VIS-spectrum as well as key parts of UV and IR spectrum. LEDs are set up at 180° as well as at 90° to enable NTU-Turbidity, PTSA and Fluorescein measurements as well.5.5" colour HD touch-displayMore than 140 different parameter methods (paid activation required)Please order reagents separatelyAuto-calibration functionIntelligent OTZ (One-Time-Zero) functionCan be used with 1 ml, 16 mm and 24 mm cuvettesData management with free software (LabCOM) / app in free cloud including individual accounts and reporting systemScope of supply:Multitest Photometer PrimeLab 2.0, 1 x 24 mm cuvette adapterSpectral range:390 ... 950 nm, 18 wavelengthsAmbient temperature:5 ... 45 °CRel. humidity:30 ... 90 %Internal memory:150000 measurementsDatatransfer:WiFi, GSMSoftware:LabCOM software, LabCOM App, LabCOM CloudPower supply:8500 mA Li-Io battery, 5 V power supply with adaptersWarranty:2 years
€805.46*
 
Reagents for Photometer MD 100 Boiler Water/Cooling Water
Description: Reagent Set Oxygen (10 - 800 µg/l O2) | For: Boiler water | Manufacturer Article Number: 380450 | Package contents: liquid reagent of 30 vials | UNSPSC: 41-11-61-17
Hazardous Substance DataSDSLink
Variants from €31.40*
€72.10*
New
Reagent solutions for photometers Lovibond®
 
Reagent solutions for photometers Lovibond®
Colour: green | Description: DPD No. 1 | For: Chlorine | GHS: GHS05, GHS07 | Manufacturer Article Number: 471020 | UNSPSC: 41-11-61-17
Solution with 15 ml or refill bottle with 100 ml.* Refill bottleHazardous Substance DataGHSSignal wordAchtungH-SatzH290, H315, H319P-SatzP234, P280, P302+P352, P305+P351+P338UNNR2796SDSLink
€15.87*
Article 1 - 24 from 259

A photometer 

A  photometer is a device used to measure the concentration of substances in a solution. It consists of a light source, a cuvette, a detector, and a display device. Here you will find a selection of photometers for daily field work. The devices are compact and come from various manufacturers such as Macherey-Nagel, WTW, and Hach.

A photometer for photometric analysis includes a light source, a filter, a sample cuvette, and a detector. Additionally, the device contains apertures and mirrors. The light from the source passes through the filter, which determines the wavelength for measurement. The light then passes through the sample solution in the cuvette to the detector. The lower the amount of light detected, the higher the concentration of the sample must be.

These devices vary in construction and include different optical components, influencing measurement quality and application.

Photometers can analyze water. The NANOCOLOR photometers from MACHEREY‑NAGEL find use in various areas. They are employed for testing wastewater, drinking water, process water, surface water, groundwater, and cooling and boiler feed water. Moreover, they are utilized in the food and beverage industry. One device can perform all these tests. NANOCOLOR photometers are also suitable for specific applications such as color measurements.

The BOD (Biochemical Oxygen Demand)

The BOD (Biochemical Oxygen Demand)value indicates how quickly carbon compounds in water break down. It is used in water management for water quality and wastewater treatment assessment.

In BOD5 measurement, the oxygen content in diluted wastewater is measured before and after incubation. During BOD self-control measurement using a closed respirometer, measurable pressure changes occur due to the resulting carbon dioxide. Samples must be stored for five days at 20 °C. OxiTop®-IDS systems enable biodegradability tests, for example, soil investigations or tests for new chemical substances. Modern spectral probes can also determine BOD values. This involves spectral correlation and user calibration based on known BOD laboratory values to calculate a BOD value.

The Kjeldahl method is an important technique for determining nitrogen and proteins. Developed by Johan Kjeldahl in 1883, it revolutionized nitrogen analysis. The method is used in various fields including food, feed, soil, and water analysis. It is crucial in general and pharmaceutical industries and wherever nitrogen content is significant.

The Kjeldahl analysis is highly precise and straightforward, remaining a reference method today. It can capture all nitrogen components, allowing for the determination of individual nitrogen components such as ammonium, nitrate, nitrite, and organically bound nitrogen from different samples.

The Kjeldahl method is advantageous for analyzing large quantities.

The classic application involves using manual laboratory heaters and Erlenmeyer flasks. Today, there are many different devices for this purpose. Initially, they were large cast iron frames. Now, they are highly precise instruments capable of sample digestion and distillation. Results can be calculated, and samples can be automatically introduced.

The Kjeldahl analysis essentially consists of three steps: digestion, distillation, and titration.

Samples are digested with sulfuric acid. The solution is then distilled. Finally, the distillate is titrated, and the result is calculated. The chemistry has changed little, but the process is now fully automated and adapted to modern laboratories. Users benefit from digestion blocks and steam distillation systems with integrated titration.

Laboratory personnel are safer due to improved equipment safety and reduced operating time. More samples can be analyzed in less time.

The advantage is the ability to examine various matrices, including grains, feed, dairy products, or other foods. It is also suitable for testing manure, sewage sludge, compost, soils, aqueous extracts, and wastewater, particularly in highly heterogeneous sample materials where Kjeldahl has few alternatives.

Extraction methods separate soluble components from solid samples.

Determining fat content in foods.

Detecting contaminants in soil samples.

Analyzing natural substances for their constituents.

Even brewing coffee is an extraction process. In the laboratory, desired components must be fully extracted from the sample under defined conditions and not too diluted. Organic solvents like hexane or petroleum benzene are commonly used as extraction agents. Unlike coffee makers, the solvent is repeatedly passed through the sample. The extracted portion accumulates in the distillation flask.

  • Interested in examining fat in foods? Hydrolysis followed by Soxhlet extraction, e.g., fat determination according to Weibull-Stoldt or AOAC International Hydrolysis Method.

  • Want to know what's in packaging or objects? Hot extraction for determining plasticizers in packaging according to Randall. Soxhlet extraction of organic compounds from plant tissues.

  • Determining fat content in foods and feeds? Hot extraction according to Randall. For some samples, hydrolysis before extraction to determine total fat content.

  • Interested in pesticide presence in foods and feeds? Residues and contaminants are extracted from foods, feeds, or other materials. No reactions with oxygen are triggered. Increasing sample size can raise detection limits.

Manufacturers such as Behr, Gerhardt, A. Krüss, Büchi

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