Isotopic Ratio Mass Spectrometerdelta S Finnigan Mat

The isotopic composition of the samples was measured against a working standard gas.

Isotopic ratio mass spectrometerdelta s finnigan mat.

The uncertainties of 3 he 4 he ratio r r atm 4 he 20 ne ratio and helium abundance are 1 10 and 10 respectively. To a gas ratio mass spectrometer finnigan mat 252. Available preconcentrators elemental analyzers gc interfaces lc interfaces and continuous flow inlets. Simultaneous mass range up to 25.

Scientific instrument services carries a wide selection of parts for all models of thermo finnigan mass spectrometers. Supplies and service for the mat 253 sector isotopic ratio ms. δ13c values for compounds with typical abundances of 5 ng are determined routinely. The finnigan mat 251 is a magnetic sector isotopic ratio ms.

Up to 10 collectors in a wide range of configurations supporting all isotope ratio ms applications in the mass range up to m z 96. The finnigan mat delta s is dedicated to stable carbon isotopic δ13c analyses having been extensively modified to provide high sensitivity. In order to aid you in the selection of replacement parts for your instrument the following part number cross reference chart can be used. Leaf carbon isotope composition δ 13 c leaf was expressed relative to the pee dee belemnite standard vpdb and the analytical precision was 0.

The finnigan mat 253 stable isotope ratio mass spectrometer system delivers the highest precision for the determination of d h 13c 12c 15n 14n 18o 16o 34s 32s from so2 and sf6 28si 29si as well as ar kr and xe isotope ratios. On line h 2 capability. The isotope ratio measurement is calibrated based on repeated measurements of nbs 19 and nbs 18 and precision is 0 10 for d18oand 0 08 for d13c 1sigma. See also mat 252.

Browse our complete portfolio below or let one of our experts help you tailor a selection specific to your application and workflow needs. Isotopic compositions of carbon in teeth and claws were determined by combustion of the samples in an elemental analyser carlo erba 1108 finnigan mat bremen germany interfaced with an isotope ratio mass spectrometer delta s finnigan mat bremen germany. Contact sis about parts and repair services for the mat 251. Samples hc2 hc5 and hc8 were too enriched in18otobe 2.

Carbon isotope compositions were analyzed with a combined gas chromatography combustion isotope ratio mass spectrometer delta s finnigan mat. The gc utilizes a septum equipped programable injector spi and is also fitted with a ctc a200s autosampler.