Method for determining molecular weight using multiply charged i

Details Method for determining molecular weight using multiply charged i Method for determining molecular weight using multiply charged i

1994-09-21

1996-12-03

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Methods

250288, H01J 4900

Patent

active

055810802

ABSTRACT:
A production of mass spectra which contain a multiplicity of peaks. The component ions of these peaks, which are multiply charged, are formed by dispersing a solution containing an analyte into a bath gas as highly charged droplets. The analyte is generally a compound of high molecular weight and is of biochemical interest. The methods calculate the molecular weight of the analyte from the measured mass values of the highly charged ions.

REFERENCES:
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patent: 5130538 (1992-07-01), Fenn et al.
patent: 5247175 (1993-09-01), Schoen et al.
patent: 5300771 (1994-04-01), Labowsky
Apard et al. "A Multipurpose Highly Charged Ion Source", Nuclear Instruments and Method 129(1975) 357-363, North-Holland Pub. Co. Aug. 7, 1975.
Baumann et al. "DIG ion source with end extraction for multiply charged ion" Nuclear instrument and Method 122(1974) 517-525; North Holland Pub. Co. Sep. 16, 1974.

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