You searched for: Chromatography Standards

Supplier: Merck

GPC Standard, Poly(dimethylsiloxane), average Mw 95000 (Typical), average Mn 50000 (Typical), Supelco®, Analytical standard

Supplier: Merck

Standard for GC, Test mixture 2 for apolar capillary columns according to Grob, Supelco®, ready-to-use

Supplier: Merck

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

Supplier: Merck

GPC Standard, Mw 159,000 (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

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: 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

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

Supplier: AGILENT HEWLETT PACKARD

AdvanceBio SEC Protein Standards are uniquely designed for AdvanceBio SEC columns. The standards are manufactured from a select group of proteins and peptides optimized to deliver accurate, precise quantitation for mAb aggregation and protein analysis.

Supplier: Merck

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

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

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

Supplier: AGILENT HEWLETT PACKARD

Standard for GC, PolyWax 655, 1 g, neat

Supplier: Merck

GPC Standard, ~2613000 Mw, Mw/Mn ~1,2, Supelco®

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(acrylic acid), average Mn 130000 (Typical), Supelco®, Analytical standard

Supplier: Merck

Standard samples for HPLC System Qualification.

Supplier: VARIAN

These hydrophilic polymers are suitable for both aqueous SEC and organic GPC using the majority of polar organic solvents. The two types are chemically similar that can be used together across a wider molecular weight range with aqueous and organic polymers.

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

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

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: 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: Merck

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

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: VARIAN

The EasiCal system for organic solvents consists of two different combs, each with ten detachable spatulas supporting a mixture of five polymer standards with MWs selected to provide equidistant calibration points for greater accuracy.

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: AGILENT HEWLETT PACKARD

Dextran ladder standard, 2-AB labeled, 200 pmol

Supplier: Merck

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

Supplier: Merck

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