Environmental Products & Reviews

All WTW Technical buffers are certified accurate and are NIST/DIN traceable   The new buffer bottles from WTW: easy to dispense easy to use reliable calibration

WTW offers a wide range of Ion-Selective Electrodes and instruments. Series 500 electrodes are used in combination with a separate reference electrode. And now WTW introduces our Series 800 quality combination ISE’s! These precise electrodes combine a reference and ion selective electrode in one unit. The convenience of this design allows for ease of use even in small sample volumes.

The pH/mV and ionmeter pH/ION 340i offers the highest degree of flexibility possible. For pH measurements the instrument can be calibrated manually or automatically and offers simultaneous display of pH and temperature. For measurements with ion-selective electrodes the pH/lON 340i offers concentration display in mg/l. Direct display in mV to ±999.9 mV in 0.1 mV steps; and to ±1999 mV in 1 mV steps. Of course, even in these…

Glass electrodes with DIN fixed cable Patented Silamid® reference system eliminates corrosion and interference from silver/silver chloride ions.Platinum diaphragm and free flow of electrolyte ensure excellent stability.Laboratory work has never been easier with these new high-quality electrodes from Schott. Innovative design features a sliding gate that allows easy filling of electrolyte solution and seals it from the solution…

ScienceLine single electrodes pH glass electrodesReference system: silver/silver chlorideShaft material:         glass, 12 mm ØZero point:                 pH = 7.0 ± 0.3Membrane shape:    sphereConnection cable:     e.g. L 1 AMetal electrodesShaft material:         glass, 12 mm Ø

The handylab OX12 portable oxygen meter in a shock-proof, water-tight casing is also ideally suited for on-site oxygen measurements in rivers, lakes or effluent, as well as for BOD measurements. Measurement parameters The oxygen concentration, saturation index and temperature measurement parameters mean that the SCHOTT Instruments handylab OX 12 has a variety of uses. Measurement memor y and interface The meter has a data…

The ideal instrument for measuring the Beta-Glucan content of all types of malt, wort, beer and other liquids. Uses the Carlsberg method to give accurate Beta-Glucan concentration values.

The miVac DNA is an ideal small concentrator for the molecular biology laboratory. A centrifugal concentrator capable of removing water and organic solvents from a variety of sample formats including tubes, microplates and vials. Making it an ideal "work-horse" concentrator for the busy lab. The built-in special runs for working with water and water mixtures improve performance and optimise concentration time and make the m…

miVac is a range of centrifugal vacuum concentrators and freeze driers capable of removing water and organic solvents from a variety of sample formats including tubes, microplates, and vials. miVac concentrators come in 2 sizes, the smaller Duo and a larger Quattro. There is a choice of vacuum pump and rotor according to application and sample format.  To speed concentration built-in special runs for working with water and…

Unique frost free cold trap - the miVac SpeedTrap does not need  defrosting, all solvents (including water) collect as liquids and can be eaily emptied - collection jar is simply removed by quarter turn. The miVac SpeedTrap is compact, requiring little bench space and suitable for use with a wide range of solvents, from volatile organic solvents through to water and some of the higher boiling point solvents. The SpeedTrap i…

Double-beam, variable wavelength capability Programmable wavelengths: 190 - 900 nm East-to-use Control Pad Available Lamp startup/shutdown Pre-aligned lamps for easy changeover Remote autozero capability Optimized for use with ESA Coulometric electrochemical detection Low noise and low drift for increasing sensitivity and stability in analyses. The Model 526/528 detectors provide extremely low operating noise levels…

A low volume electrochemical cell optimized for the low flow rates of electrospray ionization mass spectrometry (ESI-MS). • Optimized for incorporation into low flow rate LC-MS applications • Provides high efficiency electrochemical conversion with minimal peak dispersion Proven Coulometric DesignThe Model 5030 Cell utilizes the proven porous graphite flow through design pioneered by ESA and is optimized for incorporation…

Dimension P1 The Dimension-P1™ Raman System is the first of LSI's Dimension series products. The CE and UL Certified Dimension-P1™ is an ultra-high performance Raman spectrometer achieved through the integration of proprietary optics and unique software solutions. The high sensitivity of its proprietary fiber-bundle probe system and  high light throughput spectrometer, combined with the unsurpassed performance of…

Dimension P2 The Dimension-P2™ Raman System represents a true portability solution for high performance Raman spectroscopy. The Dimension-P2™ comes with LSI's Vector Raman Probe™ and the powerful RamanSoft for data acquisition, data processing, and data analysis. The system includes the External Sampling Module allowing the user to determine a wide range of potential applications and operational conditions. The Dime…

The Dimension-M1™ Raman MicroscopeLambda Solutions now provides a unique coupling of its Dimension series Raman systems to Nikon or Olympus microscopes. The result is a high performance Raman microscope at an extraordinary value. The Dimension-M1™ is available as an integrated unit, or as a Dimension-P1™ Raman System with the addition of a microscope and a Raman Microscope Adapter.  This system is available with the high spati…

The Dimension Raman SystemsThe Dimension Raman systems provide the power of high sensitivity and resolution at extraordinary values through the integration of proprietary design in optics and state-of-the-art CCD detectors. The Dimension Raman Systems are powered by LSI's RamanSoft™, complete with user-friendly interfaces for data acquisition, data processing and data analysis. The Dimension-P1™, as well as the more compact Di…

The ISS Chronos is the first, frequency-domain fluorescence lifetime instrument based on the use of laser diodes and light emitting diodes (LED) as excitation sources. This powerful tool provides all the benefits of a full lifetime fluorometer at an affordable price. The ISS Chronos has been enhanced for those users operating at standard wavelengths of excitation typically at a set region. The Chronos is a fully-automated inst…

The PC1™ is a very sensitive, compact, computer-controlled Photon Counting Spectrofluorometer designed for applications in physical chemistry, biochemistry, physiology, neurochemistry, molecular biology, environmental analysis, and immunoassay research.Five key features make the PC1 Photon Counting Spectrofluorometer the most modern instrument in its class: Size The compact design optimizes the light path so that the sample c…

Simply multiple: Multi 350i with combined conductivity/oxygen sensor ConOxThe new Multi 350i from WTW, Weilheim, Germany, is a must for anyone who wants to have a versatile high precision multiparameter instrument. In combination with a wide choice of sensors from the WTW program all important parameters of water analysis can be measured: pH, ORP, DO, conductivity, resistance, salinity, TDS, ISE. But there is still more:  With…

Portable Measuring: Environmental monitoring, process control and water analysis with pHotoFlex, pHotoFlex Turb and Turb 430 IRWTW has developed a new line of field instruments based on optical measurement, designated pHotoFlex, pHotoFlex Turb and Turb 430 IR. The instruments have been designed to extract the optimum performance from the latest generation optics optics with state-of-the-art LED technology. Using these optics a…

The inoLab® benchtop meters of WTW, Weilheim, Germany, have been relaunched in April 2004. pH, DO, conductivity and multi-parameter instruments show not only a new colour but also enhanced functions and additionally, the family will have two new members, the new inoLab® pH/ION 735 and the high-performance inoLab® pH/ION/Conductivity 750 with two high-impedance inputs and an 8-pin socket for conductivity cells. So for almost  a…