NEB will be closed Thursday, November 23, 2017 and Friday, November 24, 2017. Orders placed will process Monday, November 27, 2017 for delivery on Tuesday, November 28,2017.

FAQ: Will every mass spectrometer yield high charge states using this standard?

The mass spectrum shown on the product sheet was run on an ion trap MS. In this case, the [M-4H]4- ion was most abundant. Different mass spectrometers may give different ratios of charge states.
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