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Frequently used for calibration, the chromatography standards have a known concentration to test separating equipment for performance faults. Analytical equipment error would impact the dependability of retention time, purity, molecular weight, and compound identification conclusions. Improving data quality, the substances allow personnel to plot analyte signal ratios and obtain concentrations from a calibration curve. Chromatography standards verify instruments are suitable for intended ion exchange, gel filtration, and hydrophobic interaction procedures.

Poly(Bisphenol A carbonate), analytical standard, Supelco®

Supplier: Merck

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

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Dimethylpolysiloxane set of analytical standards, molecular weight series

Supplier: Merck

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

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LC standards

LC standards

Supplier: Agilent

Dextran ladder standard, 2-AB labeled, 200 pmol

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GC Qualitative standards

GC Qualitative standards

Supplier: Agilent

Standard for GC, PolyWax 655, 1 g, neat

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Poly(butylmethacrylate), analytical standard, for GPC

Supplier: Merck

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

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Test mixture 2 for apolar capillary columns according to Grob, for GC

Supplier: Merck

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

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Polystyrene, analytical standards for GPC

Supplier: Merck

GPC Standard, Mw 2000000 (typical), Supelco®

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GC/MS analyser kit standards

GC/MS analyser kit standards

Supplier: Agilent

Standard for GC-MS, Tricaprin internal standard #2 for biodiesel

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Poly(styrenesulfonic acid sodium salt) analytical standards for GPC

Supplier: Merck

GPC Standard, ~4300 Mw, Mw/Mn ~1,2, Supelco®

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Poly(dimethylsiloxane), average Mw 95000 (Typical), average Mn 50000 (Typical), analytical standard, Supelco®

Supplier: Merck

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

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Polyethylene analytical standards, for GPC

Supplier: Merck

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

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Poly(lauryl methacrylate) solution, Mw 570000 (Typical), average Mn 290000 (Typical), analytical standard, Supelco®

Supplier: Merck

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

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Poly(ethylene glycol) analytical standards, for GPC, Supelco

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.

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HPLC standards, LiChroTest®, Supelco®

Supplier: Merck

Standard samples for HPLC System Qualification.

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SEC standards, AdvanceBio

SEC standards, AdvanceBio

Supplier: Agilent

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.

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Nucleosides test mix, analytical standard, Supelco®

Supplier: Merck

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

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

Supplier: Merck

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

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Reversed phase test mix, in methanol: water (3:2) (varied conc.), certified reference material, Supelco®

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

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Polystyrene, average Mw 290000 (typical), average Mn 130000 (typical), analytical standard, Supelco®

Supplier: Merck

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

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Poly(methacrylic acid sodium salt) analytical standards, for GPC, Supelco®

Supplier: Merck

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

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Reversed phase test mix 2, certified reference material, Supelco®

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

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Pre-prepared polystyrene kits, EasiCal™

Pre-prepared polystyrene kits, EasiCal™

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.

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Poly(methyl methacrylate) PMMA, analytical standard, for GPC

Supplier: Merck

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

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Poly(vinyl chloride), average Mw 85000 (Typical), average Mn 40000 (Typical), analytical standard, Supelco®

Supplier: Merck

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

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Poly(α-methylstyrene) analytical standards, for GPC

Supplier: Merck

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

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Pre-weighted calibration kits, EasiVial™

Supplier: VARIAN

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

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HPLC isocratic systems diagnostics mix, in methanol: water (3:2) (varied concentration), certified reference material, 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.

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Poly(Bisphenol A carbonate) analytical standards kit, molecular weight series, for GPC

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.

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Poly(butyl acrylate) solution, Mw 60000 (Typical), average Mn 20000 (Typical), analytical standard, Supelco®

Supplier: Merck

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

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Polystyrene standards, GPC/SEC columns calibration

Supplier: VARIAN

Polystyrene standards for many organic solvents either for conventional GPC column calibration or for calibrating light scattering and viscosity detectors that provide equidistant calibration points for greater accuracy.

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