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I am trying to find the composition of the diluent buffer used for the dilution of a human leptin stock to be used in an ELISA assay. The manufacturer of the kit (https://www.thermofisher.com/elisa/product/Leptin-Human-ELISA-Kit/KAC2281) only indicates that the buffer contains 8mM of sodium azide, but I cannot find the precise composition of the buffer anywhere on the internet.

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  • $\begingroup$ Simple reason: They want you to buy their buffer and not make it on your own. $\endgroup$ – Chris Jan 17 at 16:17
  • $\begingroup$ Totally get that, but is there anybody who has found what those buffers usually contain? $\endgroup$ – Frc14 Jan 17 at 16:25

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