613 Resultat för: "GC STANDARDS"
Organic reference standards, dicloxacillin sodium salt hydrate, VETRANAL™, Supelco®
Supplier: Merck
Suitable for HPLC and Gas chromatography (GC) applications.
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VWR® PESTINORM®, Tetrahydrofuran (THF), Secondary Reference Standard for GC
Supplier: VWR Chemicals
A secondary GC solvent reference standard for various chromatographic and analytical applications.
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Organic reference standard, epsilon-Caprolactam, analytical standard, Supelco®
Supplier: Merck
ε-Caprolactam is used in the manufacture of polyamides. It is also used to produce nylon 6.
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Organic reference standard, 3-Propylidenephthalide, mixture of isomers, analytical standard, Supelco®
Supplier: Merck
Organic Standard, 3-Propylidenephthalide, mixture of isomers, ≥98,0% (sum of isomers, GC)
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Organic reference standard, Thymoquinone, analytical standard, Supelco®
Supplier: Merck
Thymoquinone is employed in preclinical studies as neuroprotective and anticonvulsant agent.
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Organic reference standard, 1,3,4,6,7,8,-Hexahydro-4,6,6,7,7,8-hexamethylcyclopenta[g]-2-benzopyran, analytical standard, Supelco®
Supplier: Merck
Organic Standard, 1,3,4,6,7,8,-Hexahydro-4,6,6,7,7,8-hexamethylcyclopenta[g]-2-benzopyran, ≥85,0% (GC)
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Organic reference standard, 4-Hydroxy-4-methyl-2-pentanone, analytical standard, Supelco®
Supplier: Merck
4-Hydroxy-4-methyl-2-pentanone may be used as an internal standard in the analysis of volatile odor-active compounds present in wine using solid phase extraction with gas chromatography (SPE-GC).
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Organic reference standard, Ethyl benzoate, analytical standard, Supelco®
Supplier: Merck
Ethyl benzoate belongs to the class of aromatic esters.
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N,O-Bis(trimethylsilyl)trifluoroacetamide with 1% trimethylchlorosilane, Cerilliant® for GC derivatisation, analytical standard, Supelco®
Supplier: Merck
N,O-Bis(trimethylsilyl)trifluoroacetamide with 1% trimethylchlorosilane, Cerilliant® for GC derivatisation, analytical standard, Supelco®
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Organic reference standard, Isoborneol, analytical standard, Supelco®
Supplier: Merck
Isoborneol is a monoterpene and a known antioxidant, which is a component of several plant essential oils.
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Organic reference standard, Furfural, analytical standard, Supelco®
Supplier: Merck
Furfural is a furan derivative obtained from renewable biomass-derived carbohydrates.
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VWR® PESTINORM®, Gas Chromatography (GC) Certified Reference Material
Supplier: VWR Chemicals
Due to its excellent separation capacity and its high sensitivity gas chromatography is a widely used technique for analytical purposes. In order to get proper identification and quantification results of the analysed compounds, reference standards are needed. These PESTINORM® reference substances can be used for the characterisation of GC column properties. In addition they may also be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis.
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Organic reference standard, (+/-)-1,3-Butanediol, analytical standard, Supelco®
Supplier: Merck
(±)-1,3-Butanediol is an organic alcohol with antimicrobial activity against a wide variety of pathogens.
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Organic reference standard, Citral, analytical standard, Supelco®
Supplier: Merck
Organic Standard, Citral, ≥98,0% (sum of cis and trans, GC), 48,0 - 52,0% (cis), 48,0 - 52,0% (trans)
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Organic reference standard, Urethane, analytical standard, Supelco®
Supplier: Merck
Urethane is used as an anesthetic in animals, since it shows minimal effects on cardiovascular and respiratory systems and maintenance of spinal reflexes.
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Organic reference standard, Ethyl acetoacetate, analytical standard, Supelco®
Supplier: Merck
Ethyl acetoacetate is derived from ethanol.
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Organic reference standard, D-Camphor, analytical standard, Supelco®
Supplier: Merck
D-Camphor is an acyclic terpenoid that occurs naturally in the wood of Cinnamomum camphora.
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Organic reference standard, 8-Methyl-6-nonenoic acid, predominantly trans, analytical standard, Supelco®
Supplier: Merck
Organic Standard, 8-Methyl-6-nonenoic acid, predominantly trans, ≤15,0% (cis-8-Methyl-6-nonenoic acid); ≥80% (GC)
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Organic reference standard, Benzyl benzoate, analytical standard, Supelco®
Supplier: Merck
Benzyl benzoate undergoes hydrogenation reaction catalyzed by a system of (Ru(acac)₃) (Where Ru-ruthenium/acac-acetylacetonate) with MeC(CH₂PPh₂)₃ (tripodal triphosphine ligand).
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Organic reference standard, 2,3-Hexanedione, analytical standard, Supelco®
Supplier: Merck
2,3-Hexanedione can be used as an internal standard for the quantitative determination of methylglyoxal present in the tissues of Sprague-Dawley rats using electrospray ionization liquid chromatography coupled with mass spectrometry(ESI/LC/MS).
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VWR® PESTINORM®, Di-isopropyl Ether, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 40 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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Organic reference standard, Putrescine, analytical standard, Supelco®
Supplier: Merck
Putrescine is a naturally occurring polyamine, which is produced via breakdown of ornithine amino acid.
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Organic reference standard, Butyraldehyde, contains ~0.1% 2,6-di-tert-butyl-4-methylphenol and ~1% water as stabiliser, analytical standard, Supelco®
Supplier: Merck
Butyraldehyde (BA) belongs to the class of volatile organic compounds (VOCs).
Analytical standard reference:
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Organic reference standard, (-)-Myrtenol, analytical standard, Supelco®
Supplier: Merck
Use as chiral building block.
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Organic reference standard, Tryptamine, analytical standard, Supelco®
Supplier: Merck
Tryptamines which are usually found in plants, fungi, animals, etc. are categorized under the monoamine alkaloids class of compounds.
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Organic reference standard, 3-Methyl-1-butanol, analytical standard, Supelco®
Supplier: Merck
3-Methyl-1-butanol is a potential fuel additive, which is a natural product of fungus and yeast fermentation.
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Organic reference standard, 5-(Hydroxymethyl)furfural, analytical standard, Supelco®
Supplier: Merck
5-(Hydroxymethyl)furfural has been used as standard in the high performance liquid chromatographic (HPLC) analysis for the determination of 5-(hydroxymethyl)furfural content in co-hydrolysates and fermentation broth of lignocellulosic biomass for the lipid accumulation in M. isabellina type of microorganisms.
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Organic reference standard, Acetaldehyde diethyl acetal, analytical standard, Supelco®
Supplier: Merck
Acetaldehyde diethyl acetal is one of the precursors utilised for the synthesis of fragrances and pharmaceutical products.
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Organic reference standard, Pentyl acetate, analytical standard, Supelco®
Supplier: Merck
Used as banana essence and test odorant in studies of olfactory function and in studies of the psychosocial effects of odor.
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Organic reference standard, alpha-Terpineol, analytical standard, Supelco®
Supplier: Merck
α-Terpineol is a monoterpene alcohol. It is one of the components responsible for the antifungal activity of Melaleuca alternifolia (tea tree) essential oil.