Du søgte efter: Kromatografi Standarder

Supplier: Merck

GPC Standard, ~483000 Mw, Mw/Mn ~1,12, Supelco®

Supplier: Merck

This kit features a convenient selection of pre-qualified standard peptides, proteins, matrices, and solvents for calibrating and testing matrix assisted laser desorption ionisation (MALDI) mass spectrometers.

Supplier: Merck

Poly(α-methylstyrene) may find applications as a radical producing agent, in the thermal degradation of polystyrene.

Supplier: Merck

GPC Standard, ∼682000 Mn, Mw/Mn ~1,06, Supelco®

Supplier: Merck

This formulation is designed for evaluating how reliably a chromatographic system is providing such fundamentally important parameters as flow rate, proportioning, and mixing.

Supplier: Merck

Clear, colorless fluid polymer useful as a stationary phase in gas chromatography and as an anti-foaming agent.

Supplier: Merck

HPLC Standard, Nucleosides Test Mix, Supelco®, in 1% sodium formate (varied conc.), Analytical standard, Pk Info: ampule of 1 mL

Supplier: Merck

GPC Standard, Mw 5,000 (Typical), Supelco®, Glass bottle

Supplier: Merck

GPC Standard, Poly(lauryl methacrylate) solution, Mw 570000 (Typical), average Mn 290000 (Typical), Supelco®, 25 wt. % in toluene, Analytical standard

Supplier: Merck

Poly(ethylene glycol) is the most widely used non-ionic, hydrophilic polymer, which can find wide applications in biomedical industry such as in drug delivery systems.

Supplier: Merck

This formulation is designed for evaluating how reliably a chromatographic system is providing such fundamentally important parameters as flow rate, proportioning, and mixing.

Supplier: Merck

HPLC Standard, Reversed Phase Test Mix, in methanol: water (3:2) (varied conc.), TraceCERT®, Supelco®, 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: 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(methyl methacrylate) is a rigid and transparent type of polymer material. It is obtained via polymerization of methyl methacrylate monomer.

Supplier: Merck

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

Supplier: Merck

Set contains 12 different polyethyleneglycol standards with Mp ~106, ~330, ~420, ~600, ~1500, ~2010, ~3120, ~6240, ~8600, ~12000, ~23000, ~40000; always 4 standards are lyophilised in a 1,5 ml vial (green, red or white); for 1 complete calibration use one of each of the green, red and white vials; 1 set contains 30 vials for 10 complete calibrations

Supplier: Merck

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

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: Merck

Set contains 12 different polystyrene standards with Mp ~374, ~1620, ~3420, ~9130, ~18100, ~32500, ~67500, ~128000, ~246000, ~659000, ~1000000, ~2180000; always 4 standards are lyophilised in a 1,5 ml vial (green, red or white); for 1 complete calibration use one of each of the green, red and white vials; 1 set contains 30 vials for 10 complete calibrations.

Supplier: Merck

Set contains 10 different polyethylene glycol/polyethylene oxide standards with Mp ~194, ~970, ~2010, ~4450, ~15000, ~22100, ~62000, ~217000, ~490000, ~1190000; always 3 or 4 standards are lyophilised in a 1,5 ml vial (black, blue or yellow); for 1 complete calibration use one of each of the black, blue and yellow vials; 1 set contains 30 vials for 10 complete calibrations.

Supplier: Merck

GPC Standard, Mw 20000 (typical), Supelco®

Supplier: Merck

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

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: Merck

GPC Standard, ∼2010 Mw, Mw/Mn ~1,12, Supelco®

Supplier: Merck

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

Supplier: Merck

Set contains 12 different polystyrene standards with Mp ~266, Mp ~374, Mp~1100, Mp~1920, Mp~2950, Mp ~4870, Mp ~7200, Mp~10400, Mp ~15700, Mp ~19600, Mp ~34800, Mp ~67500; always 4 standards are lyophilised in a 1,5ml vial (yellow, blue or black); for 1 complete calibration use one of each of the yellow, blue and black vials; 1 set contains 30 vials for 10 complete calibrations.

Supplier: Merck

GPC Standard, Poly(Bisphenol A carbonate), Supelco®, Analytical standard