895 Results for: "gc-gas-chromatography"

Supplier: Avantor

Biochromatography columns for analytical and preparative HPLC, low pressure LC and batch purification.

Supplier: Avantor

Avantor® ACE® Method Development Kits (MDK) are designed to maximise selectivity, offering a powerful and reliable approach to UHPLC/HPLC method development. Based upon an ultra-inert, high efficiency silica, Avantor® ACE® phases incorporate the latest developments in LC stationary phase design, providing chromatographers with more choices for alternative selectivity, without compromising stability or robustness.

Supplier: HICHROM

Avantor® Apex HPLC column phases are recommended for routine analyses.

Supplier: HICHROM

Avantor® Alltima HP columns has polar-embedded phase with extremely low bleed.

Supplier: Avantor

These high performance HPLC columns contain high purity spherical silica.

Supplier: HICHROM

Avantor® Partisil® was one of the first commercially available irregular silicas with a large surface area giving it a high loading capacity.

Supplier: Avantor

Avantor® ACE® C18-HL columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: MACRON AVANTOR BRAND

Acetone ≥99.5%, UltimAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

Supplier: HICHROM

Commercially available spherical silicas and it continues to provide and reproducible, high efficiency separations, Avantor® Partisphere® columns are available in a wide range of surface chemistries including two application specific phases.

Supplier: Avantor

BAKERBOND spe™ columns are disposable PP columns pre-packed with high capacity sorbents contained between two 20 µm PE frits.

Supplier: Avantor

Avantor® ACE® Method Development Kits (MDK) are designed to maximize selectivity, offering a powerful and reliable approach to UHPLC/HPLC method development. Based upon an ultra-inert, high efficiency silica, Avantor® ACE® phases incorporate the latest developments in LC stationary phase design, providing chromatographers with more choices for alternative selectivity, without compromising stability or robustness. A complete range of kits for all requirements is available, including porous, solid core, HILIC and bioanalytical 300 Å column kits. These kits group together the essential column chemistries for method development and are available in a wide range of column formats.

Supplier: Avantor

Avantor® ACE® C4-300 columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: MACRON AVANTOR BRAND

Tetrahydrofuran ≥99.8%, ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

Supplier: Avantor

Avantor® ACE® HILIC-N columns have been designed specifically for HILIC applications and are especially useful for the separation of polar analytes. These columns are part of a suit of 3 proprietary HILIC columns (HILIC-A, HILIC-B and HILIC-N) developed to enable chromatographers to achieve reproducible and successful HILIC separations using a systematic approach to method development.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Avantor

Avantor® ACE® AQ columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: Avantor

These ultra inert Avantor® ACE® Phenyl columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: Avantor

These ultra-inert Avantor® ACE® Excel® C4 columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: Avantor

Avantor® ACE® Excel® AQ columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: HICHROM

These Vydac MS columns are a later development from Grace for the reversed phase HPLC separation of biomolecules. A proprietary surface treatment and bonding process gives Vydac MS columns a unique selectivity. A variety of reversed phases makes this product line suitable for the analysis of small peptides to large intact, undenatured proteins.

Supplier: HICHROM

Stainless steel, Empty columns: Yes, Ø int.: 4,60 mm, Length: 30 mm

Supplier: Avantor

BAKERBOND spe™ Amino-Carbon is a double-phase solid extraction column packed with spherical activated carbon (lower layer) and aminopropyl modified silica phase (upper layer) of polar, weak anion properties. Designed for pesticide residue analysis in agricultural product.

Supplier: HICHROM

Prevail™ HPLC columns exhibit long column lifetime in both highly aqueous and highly organic mobile phases. All phases, apart from Prevail™ Carbohydrate ES are silica-based. The stability of these phases is such that a single column can be switched between highly aqueous for analysis of highly polar analytes and highly organic for strong retention of hydrophobic analytes.

Supplier: HICHROM

Prevail™ HPLC columns exhibit long column lifetime in both highly aqueous and highly organic mobile phases. All phases, apart from Prevail™ Carbohydrate ES are silica-based. The stability of these phases is such that a single column can be switched between highly aqueous for analysis of highly polar analytes and highly organic for strong retention of hydrophobic analytes.

Supplier: Avantor

Avantor® ACE® C4 columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: VWR Chemicals

Bromate standard solution, 1000 mg/l, VWR®, Contents: KBrO₃ in H₂O, Application: Ion chromatography standards

Supplier: VWR Chemicals

Chloride standard solution, 1000 mg/l, VWR®, Contents: NaCl in H₂O, Application: Ion chromatography standards

Supplier: Avantor

These ultra inert Avantor® ACE® Phenyl columns provide great reproducibility and column lifetime. These stainless steel columns are available in a wide range of particle sizes and dimensions from capillary to preparative.

Supplier: HICHROM

Anion exclusion columns are used for the separation of organic acids and weakly ionised anions.

Supplier: Avantor

Avantor® ACE® Method Development Kits (MDK) are designed to maximise selectivity, offering a powerful and reliable approach to UHPLC/HPLC method development. Based upon an ultra-inert, high efficiency silica, Avantor® ACE® phases incorporate the latest developments in LC stationary phase design, providing chromatographers with more choices for alternative selectivity, without compromising stability or robustness.