246 Results for: "UNISOLV® SOLVENTS "

Supplier: Merck

Solvent ASTM D2896, Chlorobenzene/Acetic acid-mixture (2/1 v/v), TBN solvent for synthesis, Sigma-Aldrich®

Supplier: Merck

Sudan red 7B (fat red bluish, solvent red 19, fat red 7B), Supelco®

Supplier: Merck

Specially developed screw caps for direct instrument connection of Merck S 40 threaded bottles ensure safe handling of solvents in the lab and protect human health, the environment, as well as solvent quality.

Supplier: Merck

Inlet filter assembly, PE filter, Pore size: 10 μm

Supplier: Merck

These LpDNPH cartridges are suitable for sampling carbonyls in ambient, indoor, and industrial atmospheres. The derivatives are eluted from the cartridge in acetonitrile and are analysed by HPLC.

Supplier: Merck

This set is available for demonstration purposes to show the safe, convenient and contamination free usage of the solvents in barrels and drums.

Supplier: Merck

Drum Pump, Pressure reducer with integrated overpressure relief

Supplier: Merck

Cartridge adapters for S10, H10, H30

Supplier: Merck

Solvent Screen, Supelco®, Certified reference material

Supplier: Merck

Organic Standard, Residual Solvents Mixture - Class I

Supplier: Merck

White spirit, 150…200 °C, Sigma-Aldrich®

Supplier: Merck

Organic Standard, Residual Solvents Mixture - Class IIB

Supplier: Merck

Organic Standard, Residual Solvents Mixture - Class IIA

Supplier: Merck

Organic Standard, Residual Solvents Mixture - Class IIC

Supplier: Merck

Solvent Yellow 124 is a marker dye, generally used in diesel oil as a green colorant, which can be analysed using high performance liquid chromatography method (HPLC). It is mainly used to prevent the misuse of low tax diesel fuel and as to also calculate the adulteration of road fuel with low tax diesel fuel.

Supplier: Merck

Organic Standard, Residual solvents in packaging material mixture 2

Supplier: Merck

1-Bromopropane for synthesis, Sigma-Aldrich®

Supplier: Merck

Residual Solvents Class 1 PT, Proficiency Testing Material

Supplier: Merck

1-Bromopropane, Sigma-Aldrich®

Supplier: Merck

Benzotrifluoride, Sigma-Aldrich®

Supplier: Merck

Oil red O, Supelco®

Supplier: Merck

Benzotrifluoride for synthesis, Sigma-Aldrich®

Supplier: Merck

Solvent guide needles, PTFE, For: 12/24-port manifold

Supplier: Merck

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol® solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol® solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph Eur and ACS.

Supplier: Merck

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Supplier: Merck

The Aquastar® range is designed to provide reagents for the determination of water by Karl Fischer titration of a wide range of substrates and by a variety of methodologies. These include reagents for one- or two-component systems; combined coulometric reagents; solvents for oils and fats; reagents and solvents for determination of water in ketones and aldehydes. Calibration standards are also available.

Supplier: Merck

Residual Solvents Class IIA PT, Proficiency Testing Material

Supplier: Merck

Merck offers a broad variety of withdrawal systems that are tailor-made for barrels and drums. They are designed to ensure safe, easy and efficient solvent withdrawal-even of residual quantities-while meeting all relevant safety regulations.
The integrated solvent supply systems directly connect the solvent to the instrument or product line where it is needed. We provide systems for manual pressure build-up as well as inert gas pressurising, supplemented by a comprehensive selection of reducers, adapters and couplings that allow easy interconnection of all components. This way the user can precisely manage his solvent flow and thus optimizes the processes-and at the same time minimizes risks for the employees and the environment.

Supplier: Merck

Sudan red G, Supelco®

Supplier: Merck

SupraSolv® solvents for headspace gas chromatography are developed particularly for the analysis of residual
solvents in drug substances, excipients and drug products according to ICH, Ph. Eur. and USP - SupraSolv® headspace solvents are tested for all residual solvents defined by the ICH.