4205 Results for: "2-Amino-1-naphthalenesulphonic+acid&pageNo=57"

Supplier: Restek

These Ultra Aromax is a unique reversed-phase material that exhibits extreme retention and selectivity for aromatic and/or unsaturated compounds. They are made of high-purity, type-B silica that minimises activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.

Supplier: Restek

Highly base-deactivated spherical silica manufactured by Restek. Monomeric C18 bonding. Hydrophobic C18 phase suitable for analyses of a wide range of compounds, from acidic through slightly basic. Replaces Hypersil® BDS C18 and Pinnacle® ODS Amine.

Supplier: VWR Collection

Weights made from anti-magnetic, polished stainless steel. Suitable for medium resolution precision electronic balances. Weights have adjustment cavities for weights of more than 20 g.

Supplier: WTW

A wide choice of tests is available, for routine quantitative analysis in different applications, designed for use with WTW spectrophotometers and photometers. The test is automatically recognised by the laboratory instruments (via a barcoding system) and results are displayed in the appropriate units. Due to the different photometer optics, one test may yield different measuring ranges in different instruments; LED photometers may have smaller measuring ranges for the same test.

Supplier: Restek

General purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners (e.g. Aroclor mixes), essential oils, semivolatiles. Column specifically tested for low-bleed performance.

Supplier: Thermo Fisher Scientific

Recommended for analytes with medium hydrophobicity or when a less hydrophobic phase is required to obtain optimum retention.

Supplier: Whatman products (Cytiva)

Nuclepore™ track-etched hydrophilic membrane filters offer a highly defined pore size cut-off in the submicron range, enabling particle deformity measurement and capture of extremely small particles. The membranes have sharply defined pores, high flow rates, and excellent chemical and thermal resistance. They are suitable for a variety of samples and applications, including microscopy, cytology, parasitology, and certain air and oceanography analyses.

Supplier: TEKNOMEK

Fully welded stainless steel tables are a very versatile work surface, intelligently designed to remove potential trap points. Features include diamond braces - at 300 mm from the ground they aid ease of cleaning. Choose between diamond centre tie or rear tie bar or undershelf to suit your needs.

Supplier: Thermo Fisher Scientific

These ODS columns are suitable for non-polar and moderately polar analytes including acids, neutrals and lipophilic compounds. All column phases are endcapped.

Supplier: Restek

Highly base-deactivated spherical silica manufactured by Restek. Cyano bonding. Suitable for analyses of a wide range of compounds, from acidic through slightly basic. Also useful for confirmation of analyses on a C18 or C8 column. Can be used in normal phase or reversed phase mode of separation.

Supplier: Restek

Highly base-deactivated spherical silica manufactured by Restek. Monomeric C8 bonding. Similar to Pinnacle® DB C18, but the shorter alkyl chain provides less hydrophobic retention. Less retention can be useful for shortening analysis time, if resolution is adequate. Replaces Hypersil® BDS C8 and Pinnacle® C8 Amine.

Supplier: VARIAN

The PLRP-S media, rigid poly(styrene/divinylbenzene) particles, are available in a range of pore sizes for small molecule, synthetic biomolecule and macromolecule purification. Their thermal and chemical stability makes them ideal for purifications that require extreme conditions for sample preparation, compound elution and column regeneration

Supplier: KEYSTONE CLEANROOM PRODUCTS

Tyvek® 1073B bags are ideal for steam sterilisation of pharmaceutical components such as vial and syringe stoppers and caps as well as heavy equipment parts with sharp edges.

Supplier: KEYSTONE CLEANROOM PRODUCTS

Tyvek® 1422A autoclave bags with drawstrings can be used as either the inner, or outer bag for the steam sterilisation of pharmaceutical change parts.

Supplier: KEYSTONE CLEANROOM PRODUCTS

Improve the performance, microbial barrier and cleanliness of your autoclave peel pouches.

Supplier: Abeba

ESD shoe made from smooth or perforated leather with non foldable, adjustable heel strap and a rubber sole (resistant to fuels, oils, acids and bases).

Supplier: Bohlender

Screw cap and clamping ring made from PPS, sealing ring and tapered ring (ferrule) made from PTFE.

Supplier: SMEG

Glassware washing machines, LPM2020DS jet rack, stainless steel, with drying system, with 20 pipette jets plus 20 assorted jet nozzles, For: GW4060, GW4060C, GW4060S, GW4060SC, GW4090, GW4090C, GW4190, GW4190C, GW4190S, GW4190SC

Supplier: Bohlender

Red screw cap made of glass-fibre reinforced ETFE, inner parts consisting of a v-ring (ETFE), a tapered ring and a sealing ring (both PTFE) as well as an o-ring (FKM) for tubing diameters under 3 mm, (not exposed to the medium). The medium is only exposed to PTFE.

Supplier: Restek

Ultra C8 is a conventional monomeric octylsilane column offering a shorter alkyl chain to provide less hydrophobic retention and improved basic peak shape. It is made of high-purity, type-B silica that minimises activity and creates high-density bonding. These columns are designed for selective and reliable HPLC applications.

Supplier: Avantor

Avantor® ACE® C18 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

Very popular PEG high polarity MS phase for a wide range of applications, including (for example): essential oils, flavours and fragrances also alkanols. HI-WAX MS is an MS grade low bleeding cross-bonded column.

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: VWR Collection

These mats offer the comfort of a polyurethane mat which is suitable for ISO Class 5 cleanroom (Class 100) environments. It is either available with a bubble surface, that features a unique ergonomic and anti-fatigue design, or with a smooth surface that is ideal for areas that combine sitting and standing.

Supplier: Ahlstrom-Munksjö

Ahlstrom-Munksjö’s qualitative grades of filter paper are recommended for use in analytical methods which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. These filter papers covers a wide range of laboratory applications, as liquids clarification, qualitative analytical separations for precipitates and buffers filtration, and are also used for soil analysis and in food and beverage testing. Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications.

Supplier: Ahlstrom-Munksjö

Ahlstrom-Munksjö’s qualitative grades of filter paper are recommended for use in analytical methods which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. These filter papers covers a wide range of laboratory applications, as liquids clarification, qualitative analytical separations for precipitates and buffers filtration, and are also used for soil analysis and in food and beverage testing. Wet-strengthened grades contain a reinforcement agent that increases their resistance to rupture when wet, such as in vacuum filtration, and their resistance when filtering acidic solutions.

Supplier: DWK Life Sciences

The Wheaton® R2P™ 2.0 roller culture apparatus is designed to allow for the development and growth of cultured cells from research to production quantities without having to change equipment and revalidate protocols. The R2P™ 2.0 system utilises computerised measurement of the actual bottle speed and allows networking for up to 255 units. Applications include, Viruses for vaccines or related studies, proteins, enzymes, antibodies, live cell assays.

Supplier: WTW

A wide choice of tests is available, for routine quantitative analysis in different applications, designed for use with WTW spectrophotometers and photometers. The test is automatically recognised by the laboratory instruments (via a barcoding system) and results are displayed in the appropriate units. Due to the different photometer optics, one test may yield different measuring ranges in different instruments; LED photometers may have smaller measuring ranges for the same test.

Supplier: GA

Transparent cryogenic self-laminating labels for thermal transfer printers. Their clear laminate protects the printed information from alcohols and detergents to ensure the secure identification of tubes and cryo vials. These labels will also withstand prolonged storage under cryogenic conditions, including in liquid phase and vapor phase liquid nitrogen.

Supplier: Ahlstrom-Munksjö

These qualitative grades of filter paper are recommended for use in analytical methods which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. These filter papers cover a wide range of laboratory applications, as liquids clarification, qualitative analytical separations for precipitates and buffers filtration, and are also used for soil analysis and in food and beverage testing. Wet-strengthened grades contain a reinforcement agent that increases their resistance to rupture when wet, such as in vacuum filtration, and their resistance when filtering acidic solutions.