Big-4 Calibration Stock Standard [186007980]

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Big-4 Calibration Stock Standard [186007980]

The Big-4 Calibration Stock Standard is a concentrated solution of four artificial sweeteners and preservatives (caffeine, benzoate, sorbate and acesulfame potassium, each at 1,000 mg/L in an acetate buffer reagent with 5% ethanol). The standard is composed of analytes that are traceable via the current lots of the USP reference standards to the SI units and meets ISO Guide 31 on reference materials. One 125 mL solution of the stock standard is provided.

The Big-4 Calibration Stock Standard can be used for QC methods that use HPLC, UPLC or UHPLC. A copy of the Certificate of Analysis will be included with each shipment.

  • ACQUITY UPLC BEH Phenyl Column, 130Å, 1.7 µm, 2.1 mm X 100 mm, 1/pk (186002885)
  • XBridge BEH Phenyl XP Column, 130Å, 2.5 µm, 4.6 mm X 50 mm, 1/pk (186006073)

System Performance Standards Key

Set Up

Setup standards are used upon installation of a new system, start-up of a system which has been idle for a period of time, or to re-start a system that has been moved to a new location. These standards may include multiple components within a kit which allow step by step setup and calibration, or they can be single mixtures which will enable a full system assessment and initialization.


These standards can be used for instrument calibration. Calibration is usually performed at a frequency that minimizes the risk of being out of calibration, in addition to major events suc h as when the instrument is moved and upon any major repair. Calibration can be confirmed as often as your standard operating procedures recommend. Look for solutions to calibrate your MS mass accuracy and resolution, UV detector linearity, UV and Fluorescence detector wavelength accuracy, injector accuracy and precision, and solvent system flow rate accuracy.


Your system is comprised of many interdependent components working together. An issue with any one component can produce erroneous final results. All components performing correctly will produce results within an expected variability. Some of the system components include mobile phase, column, tubing, pumping, injecting, temperature controlling, detecting, data collection rate, and integration
parameters. An issue in any one of the components listed can affect your result.
Performance Check Standards should be utilized on a routine basis. This includes anytime a column is changed, a method is changed, the instrument is moved, or confirmation of system performance is desired. Confirming the performance of your system can be done on a system basis with suitability standards or per individual instrument component. Benchmark performance should be established after
calibration and confirmed regularly.


These Mass Spectrometry solutions are used routinely and are available for every ionization mode. Use the solution to optimize the mass spectrometer setting for optimal signal either manually or through Intellistart.


This product contains hazardous material which requires special freight handling. Additional charges may apply.

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