base peak

Also found in: Medical.

base peak

[′bās ‚pēk]

(spectroscopy)

The tallest peak in a mass spectrum; it is assigned a relative intensity value of 100, and lesser peaks are reported as a percentage of it.

References in periodicals archive ?

As: 1 Collector Emitter Voltage-700V 2 Collector Emitter Voltage-400V 3 Emitter Base Voltage- 9V 4 Collector Current- 4A 5 Collector Peak Current - 8A 6 Base Current-2A 7 Base Peak Current- 4A 8 Total Dissipaton @Tc Equal To 25 Degree C 75W 9 Storage Temp: Minus 65 To 15 Degree C 10 Max.

High Voltage Fast Switching Npn Power Transister No.13005 ( Suitable

fragment ion) is selected as the base peak for ethanol calibration.

PAT implementation: removing solvents from the process

MRIC of each cellulosic materials characterized by area at different retention time and each area has a fixed base peak (100%) in mass spectra that is characterized to monomer cellulose and cellulose xanthate.

Grafting of Cellulose Extracted from Kenaf Using Xanthate Method

The base peak at m/z 545 corresponding to the loss of 30 u (methoxy group) from fragment ion at m/z 575 was indicative of the presence of a methyl group on the flavone moiety (chrysoeriol) in compound 5.

Antinociceptive activity of the HPLC- and MS-standardized hydroethanolic extract of Pterodon emarginatus Vogel leaves

Figure 3 shows the sample base peak chromatogram of the grains of winter wheat variety Anthus.

Principal component analysis of HPLC-MS/MS patterns of wheat (Triticum aestivum) varieties/Nisu-(Triticum aestivum) sortide peakomponentide analuus korgsurve-vedelikkromatograafiliste mass-spektrite alusel

The observation of the base peak of nerolidol resulting from the loss of water is consistent with other reports.

Method quickly sniffs out fragrance molecules: [UPC.sup.2] technology, teamed with mass spectrometry, enables simple, quick chiral analyses of fragrance compounds

The mass spectral data recorded an odd number base peak at 163 M/Z for a compound whose molecular weight was observed at 194 M/Z.

1, 4-dimethylbenzenedicarboxylic acid ester from the ethanol extracts of Ficus platyphylla stem bark

45 minutes and has an intensity that is less than 15% relative to the base peak in the same spectrum.

Using mass defect filtering to acelerate drug discovery

In the base peak oil scenario, it takes 10 years--from 2014 to 2024--for a drop of that magnitude (0.

Peak oil

Most spectra are accompanied by the structure and trivial name, molecular formula, molecular weight, nominal mass, and base peak.

Wiley Launches Wiley Registry of Mass Spectral Data, 8th Edition

The spectrum is noisy because optimal ionization parameters were not explored and Copper Phthalocyanine is insoluble, which resulted in an order of magnitude ion count decrease of the base peak when compared to the positive-ion mode.

Forensic analysis of blue ballpoint pen inks using capillary electrophoresis

The largest peaks in each cluster represents to mass number 183 whose base peak is considered to be 100%.