246 Results for: "UNISOLV® SOLVENTS "
1,1,2,2-Tetrachloroethane-[D₂] (99.5% D), MagniSolv™ for NMR spectroscopy, Sigma-Aldrich®
Supplier: Merck
A wide range of MagniSolv™ deuterated solvents with extremely low residual water, excellent chemical purity, and the highest isotopic enrichment available can satisfy the most demanding requirements of researchers. Depending on application and sensitivity of the NMR spectrometer our offer solvents with deuteration degrees between 98% and 99.96%. In case of all the water soluble deuterated standard products, water content is specified according to both Karl Fischer and NMR.
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Eosin Y (yellowish) 0.5% in aqueous solution for microscopy, Sigma-Aldrich®
Supplier: Merck
Eosin Y (yellowish) 0,5% in aqueous solution for microscopy, Sigma-Aldrich®
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Eosin Y (yellowish), Sigma-Aldrich®
Supplier: Merck
Eosin Y (yellowish), Sigma-Aldrich®
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Acetonitrile, LiChrosolv® tested for UHPLC-MS, Supelco®
Supplier: Merck
Highest purity solvents for UHPLC-MS analysis.
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Petroleum spirit, 40…60 °C, EMSURE® ACS, ISO for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications..
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L(+)-Histidine, Millipore®
Supplier: Merck
Soluble in water and mineral acids; insoluble in organic solvents.
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Dichloromethane ≥99.9% (by GC) stabilised, Suprasolv® hypergrade for organic trace analysis, Supelco®
Supplier: Merck
Suprasolv® hypergrade is a unique and universal solvent quality which can be employed for all three GC detection methods (ECD, FID and MS). Thanks to the large retention time range, even low-boiling substances can be reliably analyzed.
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n-Pentane ≥99.9% (by GC), Suprasolv® hypergrade for organic trace analysis, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionization detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Glass wool, Supelco®
Supplier: Merck
Wool plugs are often used in GC inlet liners to improve sample vaporization, and/or to keep non-volatile material from entering the column. They can also be used in packed GC columns, solvent desorption tubes, thermal desorption tubes, and purge traps to retain packed beds.
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N-Methyl-2-pyrrolidone (NMP), EMPLURA®, Supelco®
Supplier: Merck
EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA® solvents provide adequate specifications with the most important parameters.
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ASTM® D5307 crude oil internal standard, certified reference material, Supelco®
Supplier: Merck
ASTM® D5307 crude oil internal standard has been used in the quantitative determination of diamondoid compounds like adamantane in specific organic solvents like dichloromethane, hexane, carbon-tetrachloride, hexane , heptadecane, hexadecane, pentadecane and tetradecane, using infrared attenuated total reflection spectroscopy (IR-ATR).
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n-Hexane ≥99.0% (by GC), Suprasolv® hypergrade for organic trace analysis, Supelco®
Supplier: Merck
Suprasolv® hypergrade is a unique and universal solvent quality which can be employed for all three GC detection methods (ECD, FID and MS). Thanks to the large retention time range, even low-boiling substances can be reliably analysed.
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Toluene, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. The EMSURE® range are in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
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Cyclohexane, SupraSolv® for gas chromatography, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionisation detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Toluene, SupraSolv® for GC-ECD/FID, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionization detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Eosin Y (yellowish) 1% alcoholic solution counterstain in H&E, for histology
Supplier: Merck
The hematoxylin and eosin (H&E) staining method is the method most frequently used for the staining of histology material of human origin.
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Water, EMSURE® for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. Merck declare the EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
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Eosin Y (yellowish) 0.5% alcoholic solution for microscopy, Sigma-Aldrich®
Supplier: Merck
Counterstain in H&E
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Pyridine, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
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Dichloromethane ≥99.8% stabilised, Suprasolv® hypergrade for GC-ECD/FID, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionisation Detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Deuterium oxide (99.9% D), MagniSolv™ for NMR spectroscopy , pH 7 (H₂O, 20 °C), Sigma-Aldrich®
Supplier: Merck
MagniSolv™ deuterated solvents provide:
• Reliable results in the NMR-spectra by excellent chemical purity and highest isotopic enrichment.
• Reliable deuteration degrees.
• Low residual water content.
• Determination of water content in two ways.
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2,2,4-Trimethylpentane, SupraSolv® for GC-ECD/FID, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionization detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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n-Hexane, SupraSolv® for GC-ECD/FID, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionization detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Dichloromethane stabilised, EMSURE® Reag. Ph. Eur., ACS, ISO for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
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Acetone ≥99.8%, SupraSolv® for GC-ECD/FID, Supelco®
Supplier: Merck
SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionisation Detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results.
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Cyclohexane, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®
Supplier: Merck
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
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alpha-Chymotrypsin
Supplier: Merck
Chymotrypsin (Chy) is a serine protease. It corresponds to a molecular weight of 25,7 kDa and is widely used in pharmaceutical industry.It is synthesized in pancreas from chymotrypsinogen and require calcium for this conversion.α-Chymotrypsin from bovine pancreas (bovine pancreatic α-chymotrypsin, CHT) is an enzyme protein.The influence of varying concentrations of organic solvents like ethanol, 1,4-dioxane and acetonitrile on CHT has been reported.
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Absorbent powder, Chemizorb®
Supplier: Merck
For absorption of acids, alkalis or solvents. Thanks to its large surface area, the powder absorbs a very large amount of liquid. Low viscosity liquids are absorbed instantaneously, highly viscous media (glycerine, oils) within a few minutes.