AssayIndex
Mass spectrometry

Charge-state envelope

The distribution of intensities across charge states. Its shape carries conformational information: compact molecules ionise at lower charge.

Related terms

Charge state (z)
The number of protons carried by an ion. Observed m/z = (M + z × 1.007276)/z. Two adjacent charge states determine z without assumption.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.