Drug Discovery & Development Products & Reviews

Complete range of Calbiochem® high quality detergents including  Bile Salts Detergent Adsorbents Detergent Kits Ionic Non-Detergent Sulfobetaines (NDSB) Non-Ionic Zwitterionic

The Photometer for all simple and rapid Routine Wastewater and Drinking Water Measurements!This photometer allows measurement of convenient rapid tests: simply lift the cover, insert the coded cuvette and read the result. The "AutoSelect" function performs all necessary settings. The cover serves both as dust cover and on switch.When the cover is opened, the instrument switches on and checks the optical system itself. It also…

The photometer for professionals!All available WTW test kits can be used for measurement in reaction cuvettes for rapid tests or in rectangular cuvettes with higher sensitivity. Apart from tests, the 12 available wavelengths and the underlying reference beam technology permit measurement of kinetics with excellent stability.Simple and easy operation: lift the cover, insert the cuvette and read the result. The "AutoSelect" func…

The all-round instrument for laboratory use photoLab ® Spektral offers free selection of wavelength between 330 nm to 850 nm with a free choice of wavelength. A high-quality Zeiss optical module is at the heart of this contains spectral photometer. Its no-wear technology no mechanical parts. In operating mode, the photometer carries out regular AutoChecks thus ensuring correct measuring results. These can be checked and docume…

The new portable photometers offer decisive advantages for field use: They are handy, have a low power consumption and a lot of extra features!Smart adapter solution for the use of different cuvettesBacklit display with automatic switch-offUser guidance via display for easy operation without handbook readingLarge selection of test sets for all requirementsMethod and software update via internetIntegrated pH measurement with au…

The portable photometer pHotoFlex Turb has all the features of the pHotoFlex and additionally offers the ideal complement of turbidity measurement!This is an ideal combination wherever fluids, from water to wine, have to be measured in the field. In such cases, turbidity, pH and photometric parameters will often play a role.In addition to 6 wavelengths for photometric measuring, pHotoFlex Turb has an infrared light source for…

Thermoreactors for COD and all other thermal Digestion ProcessesThermoreactors are required for chemical digestion processes, such as for COD, total nitrogen or total phosphorus. They ensure that the digestion is carried out completely, as they maintain the necessary high reaction temperature throughout the whole of the defined period. In each of the thermoreactors from WTW the most important temperatures and digestion times a…

Everything you need for your application, in one complete package. Comprehensive, preconfigured lab kits take the guesswork out of ordering. Every component is matched to your general purpose application, with everything required for your particular analysis. No missing pieces and nothing else to order- so right out of the box, you can be up and running.  Orion Full Laboratory Kits include: - Orion Star™ Series meter - E…

CR 2200 is ideal for anyone who needs to perform routine water analysis tests with small sample amounts, as 5 programs are available for digestion of 12 sample cuvettes at 212, 248 and 298.4 °F (100, 120 and 148 °C).

In addition, you can program the CR 3200 to carry out 8 of your individual digestions at freely selectable temperatures up to 338 °F (170 °C).

CR 4200 is the right choice for anyone who needs to perform multiple tests simultaneously, such as COD (298.4 °F/148 °C) and total-N (248 °F/120 °C), as the two thermoblocks for 12 cuvettes each can be controlled separately. It also has memory for 8 of your own user-defined programs with free temperature selection up to 338 °F (170 °C).

Color-coded technical buffer solutions in plastic bottles Order No.      Type No.          pH value at 25 °C       Contents285139156   LC 4004 K     4.00                       250 ml in PE bottle285139189   LC 7004 K     7.00                       250 ml in PE bottle285139218   LC 1004 K     10.00                      250 ml in PE bottle Technical buffer solutions according to DIN 19 267 in canisters(preser ved with Thymol…

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…

New in the VARIO family of WTW:The VARIO Cond has a lot to offer – at an excellent price. This economically designed meter is ideal for use in process control monitoring or anywhere a small, accurate meter is needed. The VARIO is small, light, handy, waterproof and has a robust firmgrip rubber armoring. Miniature precision, the VARIO Cond Sets:The VARIO Cond KIT with 4 electrodes conductivity cell: The globally renown measuri…

Turb 430 IR is a new portable turbidity meter from WTW, designed for use in the measuring range from 0 – 1100 NTU/FNU. Fully compliant to DIN EN 27027/ISO 7027, the instrument is optimized for applications demanding high mobility, e.g. drinking water analysis and process control. Having been developed together with the multi-parameter photometers of the pHotoFlex Series, the Turb 430 IR offers a number of innovations compared…

WTW has reworked and improved the premium photometers photoLab S6 and S12. The Reference Beam Technology of the WTW filter photometers can technically hardly be topped, especially by the resulting stability and accuracy of measuring. Therefore the focus of the improvement has been on AQA and IQC functionality and also user defined methods for more indiviudal testing: Reading of results as transmittance in %T Storage of 10…

Looking for a portable but precise conductivity measurement to fulfil USP 27 regulations on pure water? For this purpose WTW, Weilheim, Germany, offers the Cond 340i, a precise hand held conductivity meter. It is a instrument including memory, datalogger and RS 232 interface with all features to perform conductivity measurements for every application. For USP measurements the temperature compensation can be switched off, a spe…

Guaranteed, Longest Lasting Preparative HPLC and SFC Column

Application Reagent containers for storing up to 3.5 ml of MagNA Pure LC reagents on the stage of the MagNA Pure LC Instrument. The tubs can be sealed with MagNA Pure LC Tub Lids (small, medium) (Cat. No. 03 004 082 001). Quality The disposable plastics for the MagNA Pure LC Instrument meet stringent requirements: they are free of nucleases and amplification inhibitors (for PCR/RT-PCR), and are guaranteed to be inert to…

The need to study crystallization is extremely widespread in the chemical industry due to the importance of solids as the final form of many products. HEL's Crystal Eyes makes it easy for chemists to determine the crystallization and dissolution points of their solutions. Crystal Eyes monitors and logs temperature, turbidity, and pH. The system includes choice of probe, signal conditioning electronics, and a compact PC with pr…

Fast, efficient screening of 8 reactions up to 200Bar The HP ChemSCAN is a dedicated parallel reaction system for the rapid development of high pressure reactions and heterogeneous catalysis systems. An 8 reactor platform rated to 200 º C & 100Bar (200Bar option) - with each reactor independently controlled and monitored. The sophisticated software controls allow for quick and efficient screening and development of catalytic r…

Chemistry platforms with independently controlled zones, offering both high and low pressure solutions. Options of 2, 4, 6 or 8 zones available, with the facility to mix and match up to 8 different reactors and vials, low and high pressure. The AutoMATE allows for independent temperature control and monitoring for each reactor as well as over 100 º C range at any time. Choice of bottom (magnetic) and / or overhead stirring is…

The Gas Addition Module provides a safe and efficient means of performing gas-liquid reactions under continuous flow-through conditions. Based on an ingenious ‘tube-in-tube’ design developed by scientists at Cambridge University in the UK, it promotes rapid diffusion of pressurized gas through gas-permeable tubing to quickly create a gas saturated solvent stream in typically less than 10 seconds. Liquid (usually in the form of…

The new AutoLAB Flex from HEL is an adaptable, flexible, easy to use reactor system. Provided with a user friendly touchscreen control interface, it allows full control and data logging, with graphic data displays that can be integrated into other reporting and analysis software. AutoLAB Flex Features and Benefits: Adjustable - Several degrees of freedom to adjust for different vessel sizes (up to 5L) and stirrer motors w…