733 Results for: "GC STANDARDS"

Supplier: Thermo Scientific

Classical Hypersil stationary phases have global recognition as an industry standard in HPLC, providing an effective analytical tool.

Supplier: Avantor

The Avantor® ACE® Excel® C18-AR phase utilizes a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for ‘standard’ C18 column separations, but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Indofine Chemical Company

Chromatography Standards 469-61-4 100mg 204.36 +4[degree]C.

Supplier: Chemglass

These general purpose columns are designed with reservoirs of various listed capacities, PTFE stopcock and standard taper outer joint.

Supplier: Avantor

The Avantor® ACE® C18-AR phase utilizes a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for ‘standard’ C18 column separations but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Avantor

The Avantor® ACE® C18-AR phase utilises a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for 'standard' C18 column separations, but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Avantor

The Avantor® ACE® Excel® C18-AR phase utilizes a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for ‘standard’ C18 column separations but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Restek

Available in standard or Siltek®-treated high-performance versions.

Supplier: SPEX CERTIPREP LLC

CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Avantor

The Avantor® ACE® C18-AR phase utilises a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for ‘standard’ C18 column separations, but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Ace Glass

This chromatography column has a reinforced standard taper 24/40 outer joint at top and a 2 mm bore glass stopcock at the bottom with a Porosity B (70 to 100 µm) fritted disc sealed into the bottom of the tube.

Supplier: SPEX CERTIPREP LLC

Volatiles, CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: SPEX CERTIPREP LLC

Volatiles, CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Restek

Contains four components, those are benzidine, 4,4'-DDT, decafluorotriphenylphosphine and pentachlorophenol.

Supplier: SPEX CERTIPREP LLC

Volatiles

CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Restek

Rtx®-DHA columns are ideal for DHA methods and easily meet or exceed both ASTM D6730-01 and Canadian General Standards Board CAN/CGSB 3.0 No. 14.3-99 requirements.

Supplier: Optimize

The entire EXP®2 stem trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports.

Supplier: Restek

Rtx®-DHA columns are ideal for DHA methods and easily meet or exceed both ASTM D6730-01 and Canadian General Standards Board CAN/CGSB 3.0 No. 14.3-99 requirements.

Supplier: Restek

Available in standard or Siltek®-treated high-performance versions.

Supplier: Restek

Rtx®-20 polymer is synthesized to exacting standards so that all residual catalysts and low molecular weight fragments are removed from the polymer, providing a tight mono-modal distribution and extremely low bleed.

Supplier: Hamilton

Hamilton Company offers the most comprehensive selection of standard and custom syringes in the industry

Supplier: Cytiva

Phenyl Sepharose 6 Fast Flow is a well established, standard aromatic HIC medium for capture and intermediate purification requiring low to medium hydrophobicity.Two levels of substitution help find optimal selectivity and binding capacity for a given application.

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

AR—The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use. If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagents, it will be denoted as an AR (ACS) r

Supplier: Cytiva

Phenyl Sepharose 6 Fast Flow is a well-established, standard aromatic HIC medium for capture and intermediate purification requiring low to medium hydrophobicity.

Supplier: Optimize

The entire EXP®2 stem trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports.

Supplier: Indofine Chemical Company

Herbal Standards 523-80-8 100mg Parsley apoile; 4,7-Dimethoxy-5-(2-propanyl)-1,3-benzodioxole 222.24 +4[degree]C.

Supplier: Cytiva

Phenyl Sepharose 6 Fast Flow is a well-established, standard aromatic HIC medium for capture and intermediate purification requiring low to medium hydrophobicity.

Supplier: Optimize

The entire EXP®2 stem trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports.

Supplier: General Separation Technologies, Inc.

Typical application: Alcohols II and III, Amines (low MW), Amines/ Alcohols/ Chlorides, Aromatics analysis: ASTM D16 analytes, Aromatics II, Blood alcohol, Bourbon, Branched alcohols, BTEX, Chlorinated Isooctane, Citronella java oil, Esters III, Ethylene oxide, FAME Standard I, FAMEs (Coca Butter), Fast styrene analysis, Flavor volatiles, Formaldehyde Underivatized, Fragrance allergens, Fragrance Reference Standard II, Free Fatty Acids, Free Organic Acids/C4-C5 Isomers, Impurities in Ethylbenzene, Impurities in mixed xylenes, Impurities in p-Xylene-ASTM D3798, Impurities in styrene, Industrial Solvent, Lavender Oil Spiked with Camphor, Monomers in latex paint by headspace, Mushroom aroma (Synthetic), Nitrosamines, Nutmeg oil, Organic acids, Phenols III, Polyunsaturated fatty acid methyl esters, Rapeseed oil, Rapid analysis of water in organic solvents, Solvents I, II, Spearmint oil, Strawberry syrup, Sulphur and Selenium in Garlic by Headspace, Tramanian lavander oil, Volatile organics, Volatile sulfurs.

Supplier: Indofine Chemical Company

Herbal Standards 607-91-0 100mg 4-Methoxy-6(2-propenyl)-1,3-benzodioxole 192.21 +4[degree]C.