Process Chemistry > Standards Products & Reviews

The TA Instruments/Waters Powder Rheology Accessory extends the Discovery Hybrid Rheometer to characterize powder behavior during storage, handling, processing, and use. Quantitative dynamic flow and shear measurements—under ambient or controlled temperature—accelerate development, optimize processes, screen materials, and reveal powder morphology differences to prevent scale‑up issues.

Ion chromatography for the analysis of anions and cations.

FT-NIR process analyzer for pharmaceutical and life sciences industries

Biotinylated Human CD20 Full Length, His,Avitag (CD0-H82E3) is expressed from human 293 cells (HEK293). It carries a polyhistidine tag at the C-terminus followed by an Avi tag with calculated MW of 36.9 kDa and migrates as 43 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Biotinylated Human TNF-alpha, His, Avitag (TNA-H82E3) is expressed from human 293 cells (HEK293). It carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™), and has a calculated MW of 20.0 kDa. The protein migrates as 21 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

FITC-Labeled Human GPRC5D Full Length Protein, Flag,His Tag (GPD-HF2D6) is expressed from human 293 cells (HEK293). This protein carries a Flag tag at the N-terminus and a polyhistidine tag at the C-terminus. The protein has a calculated MW of 37.9 kDa.

Human Claudin-18.2 Full Length Protein-VLP (CL2-H52P7) is expressed from human 293 cells (HEK293). Virus-like particles(VLPs) are formed by self-assembly of envelop/capsid proteins from viruses. Membrane Proteins can be constituted in-situ with VLPs produced from HEK293 cell cultures.

Human VEGF165, His Tag (VE5-H5248) is expressed from human 293 cells (HEK293). It carries a polyhistidine tag at the N-terminus, and has a calculated MW of 21.1 kDa. The protein migrates as 27-28 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Human TNF-alpha Protein, His Tag (TNA-H5228) is expressed from human 293 cells (HEK293). It carries a polyhistidine tag at the C-terminus, and has a calculated MW of 18.3 kDa. The protein migrates as 17-19 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Biotinylated Human VEGF165, His,Avitag(VE5-H82Q0) is expressed from human 293 cells (HEK293). It carries a polyhistidine tag at the N-terminus, followed by an Avi tag (Avitag™), and has a calculated MW of 22.4 kDa (monomer). The protein migrates as 25-33 kDa (monomer) under reducing (R) condition, and 42-55 kDa (homodimer) under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.

Human Claudin-6 Full Length Protein (VLP) (CL6-H52P7) is expressed from human 293 cells (HEK293). Virus-like particles(VLPs) are formed by self-assembly of envelop/capsid proteins from viruses. Membrane Proteins can be constituted in-situ with VLPs produced from HEK293 cell cultures.

The FIAstar™ 5000 System is used for the automatic wet chemical analysis of nutrients and other parameters in water, soil and wine, as well as in meat or other food products. Single or multiple parameters can be analysed sequentially using just one Analyser module and Plug & Analyse Method Cassettes. The modular system can be expanded for the simultaneous determination of up to three parameters.The Plug & Analyse concept ensur…

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…

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…

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…

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…

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…