Viscotek TDA 302 Triple Detector Detektor Array GPC SEC RID ELSD UV-2501 UV 2501

Viscotek GPCmax VE 2001 GPC Solvent/Sample Module This was removed from a university lab where it w (more)as surplus to requirements. The unit powers up an is in good cosmetic condition with minor marks.

Manufacturer: Viscotek Model: TDA 302 Triple Detector Detektor Array + 2501 UV Detector S/N (TDA 302 (more) Triple Detector Detektor Array): 302-0604-190 S/N (2501 UV Detector): 76363 Description: The Model 302 TDA Differential Refractometer is the basic detector component of a system for polymer analysis by gel permeation chromatography (GPC), also called size exclusion chromatography (SEC). SEC involves separation through the hydrodynamic volume of the molecular distribution. The refractometer can also be used to determine the concentration of solutions after calibration. It is specifically designed for polymer analysis by SEC3 or FIPA.In an SEC3 system, the Deflection-type refractometers are the most common type used in SEC separation; they operate by measuring the deflection of a light source caused by a difference in the refractive index of a sample-solvent mixture and pure solvent. Because different polymer types have different differential refractive index responses with concentration (dn/dc), each polymer type must have a unique RI response factor. Therefore, the area of the RI is proportional to the product of the concentration, injection volume and inverse flowrate of the sample only across a single sample type. The RI area is exactly proportional to the quantity of the mass injected of the sample and its dn/dc value. The Model 302 TDA is designed to be directly to the outlet of a properly functioning HPLC pump by the minimum length possible of 0.01”id SS tubing.  The viscometer detector utilizes the patented technology of the four-capillary bridge to minimize the influence of flow rate fluctuations and maximize the sensitivity of detection. Accurate measurement of the polymer or protein concentration profile is essential to good molecular weight or structure data. The high-stability Viscotek UV-PDA 2501 is ideally suited for multi-detection GPC/SEC. The Viscotek UV-PDA is sold as an addition to the Viscotek TDAmax to complete a Tetra Detector format, or as a stand-alone module for connection to other chromatography components, such as the 270max system. Excellent tool for the compositional analysis of co-polymers or protein conjugates. UV-PDA allows the mapping of the molecular weight to the full UV spectrum. Precise and accurate temperature control as the detector cell is housed in the same thermal chamber as the rest of the system. Unmatched baseline stability and data reproducibility. Also available is a single wavelength detector. Specifications: Light Scattering Detector:- Measuring Angle: 90° and 7°- Light Source: Constant optical power output laser diode- Wavelength: 670 nm- Output Power: 3 mW- Detectors: Photodiode/Amplifier- Cell Volume: 10 µL Viscometer:- Dimensions: 0.01”id x 24”L- Bridge Balance: 1 %- Maximum Flow Rate (H2O): 1.5 mL/min- Maximum Flow Rate (THF): 3 mL/min- DP Noise Maximum: 0.3 mV (0.3Pa)- DP Noise Typical: 0.2 mV (0.2Pa)- DP Drift Typical: 1.5 mV/hrRefractometer detector / RI:- Cell volume: 12 µL- Maximum backpressure on cell: 30 kPa- Maximum Signal (nom.): 10 V (nom.)- Baseline Noise: 0.10 mV- Baseline Noise (RIU)15 2 x 10-8- Baseline Drift: 16 5.0 mV/hr Items delivered: - Viscotek TDA 302 Triple Detector Array- Viscotek 2501 UV Detector- Connecting cables Condition: The entire system is in very good cosmetic as well as tecnical condition. It is 100% functional tested and ready to be operated. Buy with confidence!

Heating thermostat from 20 to 100°C, with LCD display and simple programming functions LAUDA ECO sta (more)nds out for its range of features and ease of use. ECO thermostats are available in Silver (LCD display; simple programming) and Gold (TFT color display; complex programming) models, equipped with a mini USB interface as standard. A LAUDA innovation is the pressure flow controller located on the front of the head. This means that flow regulation between inside and outside is possible even during operation. - Monochrome LCD graphic display for simultaneous indication of actual and set values - Transparent polycarbonate bath up to 100°C - The circulation pump can be adjusted to six levels - Integrated programmer: 1 program with max. 20 segments - Fully electronic continuous regulator with PID action - Additional key Tmax for overtemperature protection - The most powerful units are equipped with the energy-saving LAUDA SmartCool system - Variants in 230V; the 50 Hz are also available with natural refrigerants - Convenient operation with softkey cursor - Safety class III for operation with flammable and non-flammable liquids. - mini-USB interface - Pump connections with 13mm plastic nipples as standard LAUDA tank thermostats are equipped as standard with a cooling coil. The E 4 model is also equipped with a lid for the bowl and connections for external applications. A drain cock on the rear side makes changing the heat transfer liquid easy and safe. Graph of heating performance of ECO Silver immersion thermostats with polycarbonate bath. Performance graph of the pump pressing on the six levels.

Benchmark BeadBlaster Microtube Homogenizer The BeadBlaster 24 completely lyses, grinds and homogeni (more)zes a broad variety of biological samples. Even the most difficult and resistant samples are fully homogenized, often in 35 seconds or less. The stainless steel tube carrier subjects up to 24 samples to an optimized, high speed, 3D motion, producing high energy impacts between the samples and micro-beads to release cellular contents. After homogenization, samples can be centrifuged and the supernatant collected for further processing. Operating parameters for the BeadBlaster 24 are set and displayed digitally. To protect fragile, heat sensitive samples, the unit can be programmed to operate in shortened consecutive cycles with a rest period in between. Up to 50 such programs can be stored in memory and recalled for future use. A transparent lid allows for visualization of samples, and features a mechanical lid lock that prevents opening owhen the BeadBlaster is in operation. A brushless motor reduces motor noise and provides maintenance free operation. Benchmark offers an assortment of prefilled tube kits for a variety of sample types. The popular Triple-Pure kits include acid washed, heat treated, zirconium beads. The beads are tested to be free of nucleases, making them ideal for molecular biology applications. A convenient starter kit (D1032-SK) is available to accommodate a broad range of sample types and optimize applications. Click Here to View Product Video INCLUDED: The Benchmark BeadBlaster Microtube Homogenizer includes: - Power Cord - Operator's Guide - Manufacturer's Documentation - 2 Year Manufacturer's Warranty

Heidolph Hei-VAP Expert HL/G3 Non Coated Hand Lift w/ G3 Vertical GlasswareFeatures - Rotation speed (more) range of 10 to 280 RPM - Heating bath temperature range of 20°C to 210°C - Conveniently adjust the angle of inclination between 20° and 80° with a maximum height of 160mm - Multilingual menu and text display for error messages - Integrated solvent library to facilitate adjustment of the required vacuum on an external vacuum controller - Smart functions include timer and maximum temperature limitation - Optional display of vapor temperature - Highly resistant PTFE vacuum seals achieve maximum tightness and reduce expensive spare parts - Available in hand lift or motor lift models - USB and Micro SD interfaces featured 5" touch screen display with clear display of all values, featuring basic and advanced views, along with additional smart functions Separate knobs for rotation and heating with locking function to prevent accidental adjustments, along with LED ring lights Safety heating bath with overheat and dry run protection, featuring ergonomic handles for easy removal/disposal of contents The Hei-VAP Series of rotary evaporators was developed with an emphasis on the essentials: well thought-out details with a focus on features and functions to facilitate everyday laboratory work. Standard models are designed without vacuum control. These systems are for integration into an existing vacuum system or for configuration with optional vacuum controller. Precise setting of rotation speed and heating bath temperature on the digital touch display or – for quick access during an active process – directly via the knobs on the operating panel. All Hei-VAP rotary evaporators have a safety heating bath with overheating and dry running protection, ergonomic handles, double wall and an integrated spout. Separate knobs with intuitive LED ring light system not only allow visual process control, but also direct intervention in the evaporation process at any time. The residual heat indicator operates when the function is deactivated and in standby mode, flashing and the display of the residual heat warn of the risk of burns (50 °C). Click Here to View Product Video INCLUDED: The Heidolph Hei-VAP Expert HL/G3 Non Coated Hand Lift w/ G3 Vertical Glassware includes: - Heating Bath - Control Panel - G3 Vertical Glassware - 1 Liter Receiving Flask - 1 Liter Evaporating Flask - Vapor Tube - Vacuum Seal - Power Cord - Operator's Guide - Full 3 Year Manufacturer's Warranty

Scilogex Fixed Angle Rotor 2mL x 60The Scilogex Fixed Angle Rotor 2mL x 60 has the capacity to accom (more)odate 60 x 2mL tubes and can a reach maximum speed of 14,000RPM. For use with the DM0636 centrifuge. INCLUDED: The Scilogex Fixed Angle Rotor 2mL x 60 includes: - Cover - Manufacturer's Documentation - 2 Year Manufacturer's Warranty