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CElixir SDS

16 What is CElixir-SDS

CElixir-SDS™ is a kit of pre-made buffers that are used to separate non charged and charged molecules using CZE. The kit uses the CElixir™ dynamic coating technology in order to stabilize the EOF…

17 What is the advantage of a dynamic coating using MEKC?

Reproducibility! By stabilizing the EOF and by minimizing wall adsorption of analytes, precision is increased to well beyond demands of the most critical labs. By using a commercially available kit such…

18 What is the buffer concentration of CElixir-SDS™?

CElixir-SDS™ (catalog number 06200-75) contains an Accelerator solution with a Borate Buffer (12.5mM) and SDS (50mM); other pre-made solutions are available, contact our customer service department…

19 What is the pH range of CElixir-SDS

CElixir-SDS™ is supplied, ready to be used, at pH 9.2. The Accelerator Solution (the run buffer) is a Borate buffer based solution containing the polyanion component of the dynamic coating and by adding…

20 What is the UV wavelength that I should use for CElixir-SDS™?

If a Diode Array detector is available, it is suggested to use it. However, any individual wavelength should be selected depending on the UV maxima of your samples. There are no restriction on the UV…

21 What kind of Day to Day and Run to Run reproducibility of migration times can I expect with CElixir-SDS™?

Properly using the CElixir-SDS™ kit for MEKC, you will find much improved run to run and day to day reproducibility over many standard SDS methods. You can usually expect below 1% RSD of migration times…

22 What would you suggest for internal standards for CElixir-SDS kits?

Any pure compound that migrates differently than the EOF could be used, however, for example, compounds such as Caffeine, Sorbate, Benzoate, Saccharine or Quinine be used. We suggest these because they…

23 Which CElixir kit is suitable for analysis of ephthalic acid, benzoic acid, orthophthalic acid, isophthalic acid, p-toluic acid, and carboxy benzaldehyde?

Question: Please help me to choose the CElixirOA™ kit for analysis of terephthalic acid, benzoic acid, orthophthalic acid, isophthalic acid, p-toluic acid, carboxy benzaldehyde. etc. We had successfully…

24 Which reagents are required when using CElixir™ products?

No, All of the reagents that are needed to achieve great CZE with CElixir™ are contained in the CElixir HPCE Column Kit: The Initiator Solution, The Accelerator Solution and CE grade water. © Copyright…

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