Showing 1-30 of 98 results for "hydrogen acetate"
Chiral Quest Phosphine Ligands
Sigma-Aldrich has research quantities of a series of Zhang’s chiral phosphines for catalytic asymmetric hydrogenations.
radiello® Diffusive Air Sampling Application - Hydrogen Sulfide
radiello® Diffusive Air Sampling Application - Hydrogen Sulfide
EnCat™ & Other Catalysts
We offer EnCat and a variety of transition metal-based encapsulated catalysts for applications in areas such as Suzuki, Stille, and Heck couplings, carbonylations, hydrogenation, hydrogenolysis, and dihydroxylation.
DuPhos and BPE Ligands
Asymmetric hydrogenation reactions represent the ideal process for the commercial manufacture of single-enantiomer compounds, because of the ease by which these robust procedures can be scaled up and because of the low levels of byproducts generated in these asymmetric hydrogenations.
Pd EnCat™ Encapsulated Palladium Catalysts
Homogeneous palladium catalysts are widely utilized due to their versatility, reactivity and functional group tolerance.
Acid and Base Chart — Table of Acids & Bases
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Differentiation and Identification Media for Salmonella
Salmonella contamination is the second leading cause of food-borne illness worldwide. Controlling outbreaks of Salmonella is an important task for food regulators, restaurants and the food industry in general. The Salmonella family includes over 2,300 serotypes of bacteria, but two types...
Sample Preparation for Affinity Chromatography
This page shows how to prepare samples for purification with affinity chromatography.
Parahydrogen Induced Polarization
Parahydrogen Induced Polarization (PHIP) is a hyperpolarization technique, where the nuclear singlet state of parahydrogen is used as a source of hyperpolarization.
Catalytic Static Mixers A Novel Immobilized Catalyst System
Catalytic static mixers, a new novel immobilized catalyst system, have different active catalysts that can be deposited on the metal mixer, allowing employment in many different classes of chemical reactions, such as hydrogenations, oxidations, C-C couplings, and more. Learn more...
Proline Derivatization and Enantioresolution by Chiral GC
Amino acids are building blocks of peptides and proteins. Enantiomeric separation of these molecules can be performed through chromatography by chiral stationary phases. This article describes the chiral GC analysis of one amino acid, proline, after achiral derivatization.
The Use of Derivatization Reagents for GC
The Use of Derivatization Reagents for GC
QuinoxP*: Air-Stable and Highly Efficient and Productive Chiral Ligands
GC Analysis of Sweet Orange Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µm), Fast GC Analysis
-β-Farnesene; α-Huµlene; Germacrene D; (+)-Valencene; Bicyclogermacrene; (+)-δ-Cadinene
GC Analysis of Lemon Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µM), Fast GC Analysis
-3,7-Dimethyl-2,6-octadien-1-ol; Neral; Geraniol; Geranial; Undecanal; Citronellyl acetate; Neryl acetate; 3,7-Dimethyl-2,6-octadienyl acetate; 1-Tetradecene; Tetradecane; α-Bisabolol
Identification of Microorganisms Based on Color
For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.
HPLC Buffers
The selection of a buffer in terms of species, ionic strength and pH range is critical in reversed-phase chromatography. Learn more about high quality HPLC grade buffers and reagents for your lab chromatographic applications. Order now.
DSM MonoPhos™ Ligands
In collaboration with DSM, we are pleased to offer a range of MonoPhos™ ligands for the research market.† Feringa and co-workers have invented a diverse array of these chiral, monodentate phosphoramidites based on the privileged BINOL platform.
Capto MMC
Capto MMC is a multimodal cation exchanger with the properties of a weak cation exchanger. In addition to electrostatic interactions, the ligand structure provides for additional interaction modes such as hydrophobic interaction, hydrogen bonding, and thiophilic interaction.
Dispensette® S and Dispensette® S Organic Chemical Compatibility Chart
Chemical compatibility chart for all Dispensette® S and Dispensette® S Organic models.
DSM MonoPhos Family
A diverse array of these chiral, monodentate phosphoramidites based on the privileged BINOL platform. The MonoPhos™ family has exhibited high levels of enantiocontrol in synthetic transformations ranging from metal-catalyzed asymmetric 1,4-additions of organometallic reagents to allylic alkylations to desymmetrization...
Ionic Liquids
Ionic Liquids
Handling and Storage Protocol for Synthetic Peptides
One of the most challenging aspects of working with synthetic peptides is determining the best solvent in which to dissolve the peptide. General guidelines for proper storage, handling and dissolving your synthetic peptide are provided.
Baeyer-Villiger Oxidation Reaction
The Baeyer-Villiger oxidation is the oxidative cleavage of a carbon-carbon bond adjacent to a carbonyl, which converts the ketones to esters and the cyclic ketones to lactones.
Buffers & pH Adjusters
Our broad portfolio of buffer materials manufactured according to GMP guidelines includes excipients specifically for drug formulation and manufacturing, including high-risk applications. Whether your product is a small or large molecule drug, we offer high-quality buffers and pH adjusters with...
Materials for Clean H2 Production from Bioethanol Reforming
Hydrogen is one of the most important resources in providing food, fuel, and chemical products for our everyday life. Sustainable catalytic hydrogen production from bioethanol has gained significant attention in recent years due to globally diminishing fossil fuel supplies, which...
Essential Employees Exposures
Air sampling products for various aldehydes and phenolic compounds, present in common disinfectants and sanitizing agents causing negative health effects on the essential employees
Solid Phase Extraction: Normal Phase Methodology
Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.
Ion-Exchange SPE Methodology
Normal-Phase Methodology in Solid Phase Extraction Microbiology. In order g003572 for polar retention to occur between the sorbent and the sample, the analyte must be introduced to the SPE device in a non-polar sample or mobile phase environment.

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