18 Résultats pour : "GC Derivatizing Reagents"

Supplier: Merck

N,N-Dimethylformamide dipropyl acetal is an derivatizing reagent.

Supplier: Merck

N-Methyl-N-(trimethylsilyl)trifluoroacetamide (MSTFA) is a derivatizing reagent. It can be used as alternatives to diazomethane.

Supplier: Merck

Chlorotrimethylsilane is a silylation reagent used in the derivatization of triglycerides into volatile fatty esters by gas chromatography (GC).

Supplier: Merck

Heptafluorobutyric anhydride (HFB) is a derivatizing reagent. It provides facile and sensitive way for detecting and elucidating structure of numerous alkyl-chain homolog.

Supplier: TCI

Pentafluorobenzyl-p-toluenesulphonate ≥98.0% (par analyse titrimétrique) réactif de dérivatisation, pour GC des anions inorganiques

Supplier: Merck

Pentafluorophenylhydrazine may be used as a derivatizing agent in the determination of semi-volatile carbonyl compounds in air and human plasma samples, using high-resolution gas chromatography coupled with gas chromatography (HRGC-MS) and liquid chromatography atmospheric-pressure chemical-ionization mass spectrometry (LC-APCI-MS-MS), respectively.

Supplier: TCI

Simultaneous cyclic silylene and silyl derivatizing reagent for GC

Supplier: TCI

2,2,2-Trifluoro-N-méthyl-N-(trifluoroacétyl)acétamide ≥97.0% (par GC) agent de trifluoroacylation

Supplier: MACHEREY-NAGEL

MBDSTFA is a silylation reagent that donates a tert-butyldimethylsilyl group (TBDMS) for derivatizing active hydrogen atoms in hydroxyl, carboxyl and thiol groups, primary and secondary amines as well as amino acids. Fast reactions (typically 5–20 min) with high yields (> 96 %). By-products are neutral and volatile.

Supplier: MACHEREY-NAGEL

This derivitisation reagent is recommended for alcohols, primary and secondary amines as well as for thiols under mild, neutral conditions. MBTFA also forms very volatile derivatives with carbohydrates.

Supplier: Merck

Suitable for the derivatization of a-ketoacids, amines, amino acids, cycloserine, histamine and metabolites, phenylethylamines, phosphatidylserines and tryptamines.

Supplier: TCI

Boron trifluoride - propanol reagent 10 - 20% pour estérification (1 ml×10)

Supplier: NOVILYTIC

MASC Derivatizer (MD) unit. Designed to fit into any LC with a fluorescence detector.

Supplier: MACHEREY-NAGEL

TSIM is the strongest hydroxyl silylator; reagent of choice for carbohydrates and most steroids (even highly hindered steroids).

Supplier: Merck

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine Hydrochloride ≥99.0% (par titration argentométrique), LiChropur™ pour dérivatisation GC, Supelco®

Supplier: Merck

Sylon CT™ was used as derivatizing agent, during an experiment to develop sensitive GC method for the identification and determination of long-chain primary alkyl amines.† It was also used for treating Erlenmeyer flasks to prevent mycelium from sticking to the glassware during development of techniques in the identification and partial characterization the chaxamycin biosynthesis gene cluster of S. leeuwenhoekii.

Supplier: Merck

Hexafluoroisopropanol (HFP) is generally used to denature the native state of proteins, and it also stabilizes the a-helical conformation in unfolded peptides and proteins like ß-lactoglobulin and melittin

Supplier: MACHEREY-NAGEL

BSA is a strong silylation reagent that forms very stable TMS derivatives with a large variety of compounds, e.g., non-sterically hindered alcohols, carboxylic acids, phenols, enols, steroids, (biogenic) amines and alkaloids.