78 Results for: "Gascromatografi"

Supplier: Merck

GPC Standard, Polystyrene, average Mw 290000 (typical), average Mn 130000 (typical), Supelco®, Analytical standard

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Merck

GPC Standard, Poly(vinyl chloride), average Mw 85000 (Typical), average Mn 40000 (Typical), Supelco®, Analytical standard

Supplier: Merck

Poly(methyl methacrylate) is a rigid and transparent type of polymer material. It is obtained via polymerization of methyl methacrylate monomer.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Merck

Poly(Bisphenol A carbonate) (PC) is a thermoplastic material. It is injected in molding operations and is majorly studied to understand its thermal behaviour, especially thermal degradation property.

Supplier: Merck

Nonpolar Column Test Mix, TraceCERT®, Supelco®, 500 mug/mL in dichloromethane, Certified reference material, Pk Info: ampule of 2 mL

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Merck

HPLC Standard, Reversed Phase Test Mix 2, TraceCERT®, Supelco®, in acetonitrile: water (varied conc.) solution, Certified reference material, Pk Info: ampule of 1 mL

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Merck

GPC Standard, Poly(butyl acrylate) solution, Mw 60000 (Typical), average Mn 20000 (Typical), Supelco®, 25 wt. % in toluene, Analytical standard

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Merck

Reference substances can be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis. They serve also for the characterisation of GC column properties.

Supplier: Merck

This test mix is based on the comprehensive mix developed by Grob (Grob, et al., J. Chromatogr. 156 (1978) p. 1)

Supplier: Merck

Poly(dimethylsiloxane) [PDMS] is a polymer. It is a stable silicone rubber. It has been used as ion selective membrane for ion-sensitive field-effect transistors, as spring material in accelerometers, elastomer on a tactile sensor and as flexible encapsulation material in decouple sensors.

Supplier: CPACHEM

Standard for Liqid Chromatography, Monoethanolamine 1000 mg/l in water

Supplier: VWR Chemicals

Avantor offers an extensive range of FAME standards as Certified Reference Materials under the well-known PESTINORM® brand.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Cayman Chemical

Saturated or monounsaturated fatty acid LC-MS mixture contains various saturated or unsaturated fatty acids. The mixture is supplied in an amber ampule in which the headspace has been purged with argon to prevent lipid oxidation. This product has been designed for direct use in LC-MS applications.

Supplier: Merck

MALDI Standards are suitable for the validation and comparison of MALDI-ToF instruments. Certificates provide MALDI spectra including Mw, Mn and Mp values of select narrow polymers, which differ in molar mass.

Supplier: AGILENT

Polypropylene glycol standard, PDI <1,15, 1 g.

Supplier: PerkinElmer

HPLC Standard, Universal test mix for Reversed-phase, 5 ml

Supplier: Merck

Poly(acrylic acid sodium salt) is a hydrophilic polymer, which can find wide applications in the production of consumer product like diapers, because of its ability to absorb many more times its mass in water.

Supplier: PerkinElmer

This test film is an easy-to-use standard to check frequency, accuracy and any changes.

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.

Supplier: VARIAN

The quickest and most convenient method to deliver an accurate 12 point column calibration for organic and aqueous GPC/SEC column calibration.

Supplier: VWR Chemicals

Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 20 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.